Using too much water or throwing rubbish into our rivers are clear ways that humans can put our water supply in danger, but we also affect our water supply in less obvious ways. You may wonder how paving(鋪砌) a road can lead to less useable fresh water. A major part of the water we use every day is groundwater. Groundwater does not come from lakes or rivers. It comes from underground. The more roads and parking lots we pave, the less water can flow into the ground to become groundwater.

  Human activity is not responsible for all water shortages. Drier climates are of course more likely to have droughts(干旱) than areas with more rainfall, but in any case, good management can help to make sure there is enough water to meet our basic needs .

  Thinking about the way we use water every day can make a big difference, too. In the United States, a family of four can use 1.5 tons of water a day! This shows how much we depend on water to live, but there’s a lot we can do to lower the number.

You can take steps to save water in your home. To start with, use the same glass for your drinking water all day. Wash it only once a day. Run your dishwasher only when it is full. Help your parents fix any leaks in your home. You can even help to keep our water supply clean by recycling batteries instead of throwing them away.

1.Which of the following is most likely to lead to less groundwater?

A. Using river water.                          B. Throwing batteries away.

C. Paving parking lots.                        D. Throwing rubbish into lakes.

2.What can be inferred from the text?

A. All water shortages are due to human behavior.

B. It takes a lot of effort to meet our water needs

C. There is much we can do to reduce family size.

D. The average family in America makes proper use of water.

3.The last paragraph is intended to     .

A. show us how to fix leaks at home

B. tell us how to run a dishwasher

C. prove what drinking glass is best for us

D. suggest what we do to save water at home

4.The text is mainly about      .

A. how human activity affects our water supply

B. how much we depend on water to live

C. why droughts occur more in dry climates

D. Why paving roads reduces our water

 

【答案】

 

1.C

2.B

3.D

4.A

【解析】

試題分析：本文敘述了人類活動(dòng)對(duì)地球水資源供給的影響巨大，人類應(yīng)該通過調(diào)整自身的活動(dòng)方式來改變自身的生存環(huán)境。

1.C細(xì)節(jié)理解題。根據(jù)第一段 “The more roads and parking lots we pave, the less water can flow into the ground to become groundwater.”可知，鋪設(shè)馬路、停車場(chǎng)會(huì)導(dǎo)致地下水減少，而 A、 B、 D 三項(xiàng)都會(huì)導(dǎo)致水的供應(yīng)量減少，而不是地下水減少，故排除。因此答案選C。

2.推理判斷題。根據(jù)第二段中的 “good management”、第三段中的 “the way we use water every day”，以及第四段中的 “take steps to save water in your home”可知，為滿足我們用水的需求，需要做的努力還有很多。故答案選B。

3.推理判斷題。根據(jù)題干中的關(guān)鍵詞 “l(fā)ast paragraph”定位到該段第一句 “You can take steps to save water in your home.”，且它后面的內(nèi)容都是圍繞這個(gè)主題句展開的。故答案選D。

4.主旨大意題。根據(jù)題干中的關(guān)鍵詞 “mainly about” 定位到全文的內(nèi)容。文章第一段講的是 “ 鋪設(shè)馬路、停車場(chǎng)會(huì)導(dǎo)致地下水減少 ” ，后三段講述了 “ 為了滿足我們的用水需求，我們能做些什么”。所有這些講的都是人類活動(dòng)對(duì)地球水資源供給的影響，故選 A。

考點(diǎn)：環(huán)保類閱讀。

 

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