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来源：网络资源 2023-03-31 20:13:03
选择最佳选项
Look at the Earth from space. Why does our planet look so blue? It’s blue because water covers almost three quarters of the Earth’s surface. Water is not just an important part of our planet. It is an important part of our body, too. More than half of our total body weight is water.
Our body loses water whenever we exercise or go to the toilet. That’s why we need to drink plenty of water every day. We drink water. We use it to cook, clean, and carry waste out of our homes. Farmers use it to grow vegetables and crops like rice and corn; factories use it to make products.
Since the 1950s, the amount(数量)of water people use has increased by three times. But the water supply(供应)hasn’t. Scientists worry that soon there won’t be enough water for us, as well as for the animals and plants that share our world. What can we do to help? Use water wisely.
Having enough water isn’t our only problem.We also need it clean.
Right now, ships and factories are putting wastes into seas, rivers and so on. Even chemicals that farmers use are running into rivers and lakes. All this pollution can make the water dangerous to drink. It can also harm fish and other water-living lives.
We must do something to stop pollution. It’s the best way to protect our world’s most valuable natural resource(资源).
11.How many important areas of water are mentioned in Paragraph 1?
A.One.
B.Two.
C.Three.
D.Four.
12.The underlined sentence “We also need it clean” in Paragraph 4 means” ______.”
A.We also need water to wash things
B.We also need water that looks clean
C.We also need to keep water clean
D.We also need to discover clean water
13.This passage was written to ______.
A.ask people to value water
B.advise people to drink more water
C.introduce the uses of water
D.describe the situation of water supply
答案与解析
11-13BCA
11.细节理解题。根据“Water is not just an important part of our planet. It is an important part of our body, too”可知，水不仅仅是地球的重要组成部分，它也是我们身体的一个重要部分;一共提到了两个水资源的重要区域，故选B。
12.句意猜测题。根据下文“Right now, ships and factories are putting wastes into seas, rivers and so on”可知，下文讲述了水污染的情况，所以我们必须要保持水资源是干净的，划线句子与C选项的句子同义，故选C。
13.主旨大意题。根据“We must do something to stop pollution. It’s the best way to protect our world’s most valuable natural resource”可知，作者的目的是让人们珍惜水资源，故选A。
重要单词&词组总结
planet n.行星;地球
quarter n.一刻钟，四等分之一
surface n.表面
more than超过
weight n.重量
plenty of充足的
grow vegetables种菜
increase by增加了…;increase to增加到…
harm v.& n.危害
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