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		<h1>SỰ PHÂN HOÁ THỔ NHƯỠNG, SINH VẬT</h1>
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			<li>Chủ nhật - 27/06/2021 05:21</li>
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			A. KIẾN THỨC CƠ BẢN<br />1. Thổ nhưỡng có sự phân hoá đa dạng<br />Có 19 nhóm đất với 59 loại đất, phân bố trên hai địa bàn chính.
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			<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><i>a) Hệ đất đồng bằng</i></b></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Quy mô : Chiếm 1/4 diện tích.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Phân loại : Đất phù sa (3,4 triệu ha), đất phèn (1,85 triệu ha), đất mặn (1 triệu ha), đất cát biển (0,53 triệu ha). Ngoài ra còn có đất glây, đất than bùn.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Biện pháp sử dụng : Bón phân, cày xới, cải tạo thường xuyên.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><i>b) Hệ đất đồi núi</i></b></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Quy mô : Chiếm 3/4 diện tích. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Phân loại :</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Đất phe-ra-lit ở đồi núi thấp (20 triệu ha) gồm : phe-ra-lit đỏ vàng (14,8 triệu ha), phe-ra-lit nâu đỏ (2,4 triệu ha), đất xám phù sa cổ (1,2 triệu ha).</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Đất phe-ra-lit trên núi cao gồm phe-ra-lit có mùn và đất mùn alit núi cao (3,3 triệu ha).</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>2. Sinh vật phân hoá đa dạng</b></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">Có 2 nhóm hệ sinh thái phân theo độ cao địa hình.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><i>a) Nhóm hệ sinh thái thực vật nhiệt đới núi thấp</i></b></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Ở độ cao dưới 700 m (miền Bắc) và 1000 m (miền Nam).</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Chủ yếu là hệ sinh thái rừng nhiệt đới ẩm thường xanh.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Rừng có nhiều tầng, cây cao, xanh quanh năm.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Động vật rất phong phú : Beo, cầy, cáo, trăn, rắn, tắc kè, kì đà, khỉ vẹt, vượn, các loại chim.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Khi rừng nhiệt đới ẩm thường xanh bị phá hoặc nơi nào có mùa khô rõ rệt thì được thay thế bởi rừng nhiệt đới gió mùa với nhiều kiểu khác nhau.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Ngoài ra nhiều kiểu hệ sinh thái thực vật đặc biệt khác phát triển trên nhiều loại thổ nhưỡng đặc biệt :</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Rừng lá rộng thường xanh ngập mặn.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">+ Hệ sinh thái xa-van, cây bụi gai…</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><i>b) Nhóm hệ sinh thái thực vật á nhiệt đới và ôn đới trên núi</i></b></span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Từ 700 m - 1700 m có hệ sinh thái rừng á nhiệt đới lá rộng, trong rừng có các loại thú á nhiệt phương bắc.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Từ 1700 m trở lên có hệ sinh thái rừng á nhiệt mưa mù trên đất mùn alít với nhiều loại cây ôn đới.</span></span><br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">- Từ 2800 m trở lên là quần thể hệ thực vật núi cao.</span></span><br  />
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<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>B. CÂU HỎI TRẮC NGHIỆM</b></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 1.</b>&nbsp;&nbsp; Đất phe-ra-lit phát triển trên đá ba dan thuộc nhóm đất :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Phe-ra-lit vàng đỏ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Phe-ra-lit nâu đỏ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Phe-ra-lit nâu xám.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Phe-ra-lit có mùn.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 2.</b>&nbsp;&nbsp; Loại đất có diện tích lớn nhất trong hệ đất đồi núi của nước ta là :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Đất phe-ra-lit đỏ vàng.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Đất xám phù sa cổ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đất phe-ra-lit nâu đỏ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Đất phe-ra-lit có mùn trên núi.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 3.&nbsp;&nbsp; </b>Nước ta có thảm thực vật rừng rất đa dạng về kiểu hệ sinh thái vì :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Thổ nhưỡng có sự phân hoá đa dạng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Địa hình đồi núi chiếm ưu thế nên có sự phân hoá đa dạng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Khí hậu nhiệt đới ẩm gió mùa phân hoá đa dạng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Nước ta nằm ở vị trí tiếp giáp giữa nhiều hệ thống tự nhiên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 4.</b>&nbsp;&nbsp; Loại đất nằm trong hệ đất đồi núi nhưng thường tập trung nhiều ở vùng trung du và bán bình nguyên là :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Đất phe-ra-lit nâu đỏ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Đất phe-ra-lit vàng đỏ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đất xám phù sa cổ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Đất than bùn.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 5.</b>&nbsp;&nbsp; Ở nước ta hệ sinh thái xa-van truông bụi nguyên sinh tập trung ở vùng :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Nam Trung Bộ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Cực Nam Trung Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Nam Bộ.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Tây Nguyên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 6.&nbsp;&nbsp; </b>Đất phe-ra-lit có mùn phát triển ở vùng :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Đồi núi thấp dưới 1000 m.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Trung du và bán bình nguyên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Núi cao trên 2400 m.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="letter-spacing:-.2pt">D. Núi có độ cao từ 700 m - 2400 m.</span></span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 7.</b>&nbsp;&nbsp; Đây là đặc điểm của đất phe-ra-lit nâu đỏ phát triển trên đá ba dan.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Nặng, bí, thiếu các nguyên tố vi lượng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Nặng, chua, tầng phong hoá mỏng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Chua, nghèo mùn, tầng phong hoá mỏng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Tơi xốp, giàu chất dinh dưỡng, tầng phong hoá sâu.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 8.</b>&nbsp;&nbsp; Hệ sinh thái rừng nhiệt đới gió mùa sẽ thay thế cho hệ sinh thái rừng nhiệt đới lá rộng thường xanh khi :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Khí hậu chuyển từ mùa mưa sang mùa khô.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Rừng nguyên sinh bị phá thay bằng rừng thứ sinh.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đất phe-ra-lit bị biến đổi theo hướng xấu đi.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Khí hậu thay đổi theo hướng sa mạc hoá.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 9.</b>&nbsp;&nbsp; Đây là đặc điểm của đất đen ở nước ta :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Chiếm diện tích nhỏ không đáng kể.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Đất tốt, giàu chất dinh dưỡng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Thường gặp ở vùng thung lũng đá vôi.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Tất cả các đặc điểm trên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 10.</b> “Rừng tràm chim” là kiểu rừng :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Nhiệt đới gió mùa nửa rụng lá.&nbsp;&nbsp; B. Thưa nhiệt đới khô lá rụng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Lá rộng thường xanh ngập mặn. D. Á nhiệt đới lá rộng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 11.</b> Nhóm đất nào dưới đây ở nước ta có diện tích lớn nhất ?</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Đất phèn. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Đất phù sa.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đất đỏ ba dan. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Đất xám phù sa cổ.</span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-style:normal">Câu 12.</span></span></span> <span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">Để sử dụng hợp lí đất nông nghiệp đồng bằng ở nước ta, biện pháp quan trọng nhất là :</span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="punctuation-wrap:hanging"><span style="text-autospace:ideograph-other"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Đẩy mạnh thâm canh.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Quản lí chặt đất đai.</span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="punctuation-wrap:hanging"><span style="text-autospace:ideograph-other"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">C. Khai hoang mở rộng diện tích.&nbsp;&nbsp; D. Tăng cường công tác thủy lợi.</span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 13.</b> Ở nước ta, đất nhiễm mặn tập trung nhiều nhất ở :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Vùng ven biển dọc Duyên hải miền Trung.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Vùng ven biển, cửa sông ở Đồng bằng sông Hồng.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Vùng trũng của trung tâm bán đảo Cà Mau và Hà Tiên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Vùng cửa sông ven biển ở Đồng bằng sông Cửu Long.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 14.</b> Đất chua phèn tập trung nhiều nhất ở :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Vùng trũng Hà - Nam - Ninh.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Vùng ven biển Đồng bằng sông Cửu Long.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Vùng trũng của Đồng Tháp Mười, Hà Tiên và bán đảo Cà Mau.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Vùng trũng trung tâm bán đảo Cà Mau.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 15.</b> Hệ đất phe-ra-lit nâu đỏ phân bố tập trung ở :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Tây Nguyên và Đông Nam Bộ.&nbsp;</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Miền núi và trung du Bắc Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Duyên hải miền Trung.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Trung du và miền núi Bắc Bộ, Tây Nguyên, Đông Nam Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 16.</b> Đất phe-ra-lit hình thành trên nền phù sa cổ phân bố tập trung ở :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Trên các bậc thềm sông cổ ở Bắc Trung Bộ và Nam Trung Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Phía đông bắc Đồng bằng sông Hồng và Đông Nam Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đông Nam Bộ.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Đồng bằng sông Cửu Long giáp với Cam-pu-chia.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 17.</b><span lang="EN-US" style="letter-spacing:-.1pt"> Những nơi lớp phủ thực vật bị phá hủy, mùa khô khắc nghiệt là điều kiện :</span></span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Xúc tiến nhanh quá trình xói mòn, rửa trôi tạo thành lớp đất bạc màu.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Tích tụ ôxít sắt và nhôm rắn chắc lại sẽ tạo thành tầng đá ong.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Đất thoái hóa nhanh, trơ sỏi đá rất khó cải tạo.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Cả 3 câu trên.</span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-style:normal">Câu 18.</span></span></span> <span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">Nếu khai thác không hợp lí thì nguồn tài nguyên bị suy giảm nhanh nhất là :</span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="punctuation-wrap:hanging"><span style="text-autospace:ideograph-other"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic"><span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Tài nguyên đất, rừng và thủy hải sản.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Tài nguyên nước.</span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="punctuation-wrap:hanging"><span style="text-autospace:ideograph-other"><span style="font-family:VNswitzerlandCondensed,sans-serif"><span style="color:black"><span style="font-weight:bold"><span style="font-style:italic">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span lang="EN-US" style="font-size:12.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-weight:normal"><span style="font-style:normal">C. Tài nguyên khoáng sản.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Tất cả các câu trên.</span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 19.</b> Vai trò quan trọng của rừng trong tổng thể tự nhiên thể hiện rõ nhất ở :</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Cung cấp nguyên liệu cho công nghiệp chế biến gỗ lâm sản.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Điều hòa khí hậu, hạn chế lũ lụt, chống xói mòn đất.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Bảo vệ các nguồn gen thực – động vật quý hiếm.&nbsp; D. Tất cả các câu trên.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>Câu 20.</b> Nguyên nhân không phù hợp với việc bảo vệ, quản lí tài nguyên rừng ở nước ta :&nbsp;</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. Định canh, định cư, phát triển kinh tế lên vùng cao.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. Lập các khu bảo tồn và vườn quốc gia.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. Mở rộng thêm diện tích trồng cây công nghiệp.</span></span></span><br  />
<span style="font-size:12pt"><span style="tab-stops:127.6pt 212.65pt 297.7pt"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Bảo vệ rừng đầu nguồn và rừng phòng hộ.</span></span></span><br  />
<br  />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>C. ĐÁP ÁN</b></span></span>
<table class="Table" style="margin-left:64px; border-collapse:collapse; border:none">
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			<td style="border:solid windowtext 1.0pt; width:53.4pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">1. B</span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.4pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">2. A</span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.4pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">3. C</span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.45pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">4. C</span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.45pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">5. B</span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.45pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">6. D</span></span></td>
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			<td style="border:solid windowtext 1.0pt; width:53.4pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">7. D</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">8. B</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">9. D</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">10. C</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">11. B</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:14.45pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">12. A</span></span></td>
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			<td style="border:solid windowtext 1.0pt; width:53.4pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">13. D</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">14. C</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">15. A</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">16. C</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">17. B</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">18. A</span></span></td>
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			<td style="border:solid windowtext 1.0pt; width:53.4pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">19. B</span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71"><span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,serif">20. C</span></span></td>
			<td style="border:none; width:53.4pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71">&nbsp;</td>
			<td style="border:none; width:53.45pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71">&nbsp;</td>
			<td style="border:none; width:53.45pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71">&nbsp;</td>
			<td style="border:none; width:53.45pt; padding:0cm 5.4pt 0cm 5.4pt; height:15.05pt" width="71">&nbsp;</td>
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