人口问题引发环境问题的实质是_刷题宝

题干

人口问题引发环境问题的实质是（）

A：砍伐森林过多，林地面积锐减

B：人类使许多资源变为废物进入环境

C：人类活动超出环境的承受能力

D：粮食生产不能满足人口增长的需求

上一题下一题 0.0难度选择题更新时间:2017-11-20 10:27:57

答案(点此获取答案解析）

C

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以下关于重力方向的说法中正确的是（　　）

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Do you want to have a wonderful evening?
Do you want to see your favorite pop singer?
Come on!
PLACE: Shanghai People’s Square
Time:7:00 pm Nov.7^th
Ticker:￥180

Welcome to Our Club
Do you want to be an artist?
Just come and have a try!
Music lesson             Price: ￥90
Dance lesson             Price: ￥60
Art lesson               Price: ￥80

Hunan History Museum
You should use the floor plan(楼层平面图) to find your way around. If you are with your children, stay close to them. The museum is very big and it is easy to get lost.
Open:8:30 am—12:00 am & 2:00 pm —5:00 pm
Admission(入场费): ￥10；（children under 6 years old get in for free）

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— Did you listen to Li Yundi _____ the piano yesterday evening?

— Yes. He played _____ and all the audience clapped loudly at the end.

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如图所示，灯L上标有“9V 9W”的字样。只闭合S1时，灯泡L正常发光；只闭合S2时，L的实际功率是1W。则（灯泡电阻不变）（）

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15－8=（）

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