问题
选择题
东北森林大量砍伐会造成的后果中下列说法错误的是
A.森林面积锐减,天然次生林变成天然原始林和人工林
B.土壤肥力下降
C.水土流失面积增加
D.森林滞留降水的能力下降,降水时会形成洪灾
答案
A
注意本题是选不正确的。森林面积锐减,天然原始林变成天然次生林和人工林。
东北森林大量砍伐会造成的后果中下列说法错误的是
A.森林面积锐减,天然次生林变成天然原始林和人工林
B.土壤肥力下降
C.水土流失面积增加
D.森林滞留降水的能力下降,降水时会形成洪灾
A
注意本题是选不正确的。森林面积锐减,天然原始林变成天然次生林和人工林。
完形填空。 | ||||
Market is a place which we get food from. My 1 goes there every day. Two 2 ago, I went with her to a 3 near our home. When we went inside, I saw the place was 4 and a lot of people were doing 5 there. It was very noisy because so many people were speaking 6 . The sellers and the people were very 7 . There were many vegetables, fishes, and a lot of meat there. My mother 8 to buy some of them, but there were too many people. We had to wait for some time 9 we bought all the food we needed. Now everything in the market is much 10 than two years ago. | ||||
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