问题
问答题
简述人类活动对植物群落的影响。
答案
参考答案：
解析：(1) 人类活动对生物群落的影响远远超过其他所有的自然因子，因为人类活动通常是有意识、有目的进行的。 (2) 放火烧山、砍伐森林、开垦土地等，都可使生物群落改变面貌。 (3) 人还可以抚育森林、治理沙漠，使生物群落向复杂化进展。
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简述人类活动对植物群落的影响。
参考答案：
解析：(1) 人类活动对生物群落的影响远远超过其他所有的自然因子，因为人类活动通常是有意识、有目的进行的。 (2) 放火烧山、砍伐森林、开垦土地等，都可使生物群落改变面貌。 (3) 人还可以抚育森林、治理沙漠，使生物群落向复杂化进展。
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| Do you like going to the movies? Most of the 1 in high schools like movies very much. Last Sunday I went to a school and asked some students 2 their favorite movies. 3 of their answers were really interesting. Here are their likes and 4 : Jim, a 5 boy, likes watching thrillers because they are scary 6 exciting. His classmate, Kate, can't stand documentaries. She told me they were 7 parents. But she really likes comedies because they are funny. Jack is a big boy. He said he 8 mind documentaries. But he doesn't like comedies 9 they are boring! And the coolest movies are action movies. Everyone 10 them very much! | |||
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