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Using too much water or throwing rubbish...

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(铺砌)a road can lead to less usable 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(短缺).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(洗碗机)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. Paving parking lots.

C. Throwing batteries away.

D. Throwing rubbish into lakes.

2.What can be inferred from the text?

A. All water shortages are due to human behavior.

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

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

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

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. suggest what we do to save water at home

D. prove what drinking glass is best for us.

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.

 

1.B 2.D 3.C 4.A 【解析】 试题分析:人类活动对地球水资源供给的影响巨大,人类应该通过调整自身的活动方式来改变自身的生存环境。 1.B细节理解题。根据第一段“The more roads and parking lots we pave, the less water can flow into the ground to become groundwater.”可知,铺设马路、停车场会导致地下水减少,而A、C、D三项都会导致水的供应量减少,而不是地下水减少,故选B。 2.D推理判断题。根据第二段中的“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,为满足我们用水的需求,需要做的努力还有很多,故选D。 3.C推理判断题。根据题干中的关键词“last paragraph”定位到该段第一句“You can take steps to save water in your home.”,且它后面的内容都是围绕这个主题句展开的,是告诉我们在家里的节水措施,故选C。 4. 考点:考查科教类短文阅读
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