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2.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 come 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(短缺).Driver 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 1.5tons 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 (洗碗機)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.

60.Which of the following is most likely to lead to less groundwater?C
A.Using river water.
B.Throwing batteries away.
C.paving parking lots.
D.Throwing rubbish into lakes.
61.What can be inferred from the text?B
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.
62.The last paragraph is intended toD.
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
63.The text is mainly aboutD.
A.Why paving roads reduces our water 
B.how much we depend on water to live
C.why droughts occur more in dry climates
D.how human activity affects our water supply.

分析 這是一篇關于用水問題的議論文.告訴我們,盡管大量用水和污染水源使人類用水處于危險境地,但是人類一些小型的活動也對用水問題有著巨大的影響.短文詳細描寫了生活中容易造成浪費的一些用水問題,并提出了相應的建議.

解答 60.C 細節理解題.根據第一段最后一句話"The more roads and parking lots we pave,the less water can flow into the ground to become groundwater."可知,鋪設馬路、停車場會導致地下水減少.故答案選C.
61.B 推理判斷題.根據第二段的"good management can help to make sure there is enough water to meet our basic needs"及下文第四段的"You can take steps to save water in your home."可知要滿足我們的用水需求需要很大的努力,故答案選B.
62.D 推理判斷題.根據該段的中心句"You can take steps to save water in your home."及本段描述,可知本段主要是針對如何節水提出建議,故答案選D.
63.D 主旨大意題.這篇文章第一段講的是"鋪設馬路、停車場會導致地下水減少",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對地球水資源供給的影響,描述了人類活動與水資源的關系,告訴我們如何來節約用水.故答案選D---"人類活動如何影響我們的用水供應".

點評 健康環保類文章常是介紹科學知識、生活常識和環境保護方面的短文.閱讀此類短文要以現象或事物為中心進行思考,理解現象產生的原因、條件和客觀規律等.同時要抓住事物的特征、用途和相互關系等.由于此類文章缺乏故事情節,很多同學對此類文章感到費解.文章都是就事論事,需要邏輯推理和想象的時候較少,因此此類閱讀題也沒有同學們想象中的那么難,只要多加訓練,就能較好地答題.

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