[单项选择]All （）is a steady supply of water to the farmland.
A. which needs
B. that is needed
C. the thing is needed
D. need

[单项选择]Once there is a threat to our water supply, water can quickly become the only thing that matters．
A. 只要水源受到威胁，水很快就会变成唯一重要的物质。
B. 供水一度出现危机，所以水很快就成了唯一紧缺的物质。
C. 供水一旦受到威胁，水很快就会成为唯一至关重要的问题。
D. 有一次水源曾遭受污染，水成了人们唯一不能很快解决的问题。

[单项选择]

Shrinking Water Supply Poses Threat to Peace

"Water, which is essential for life, costs nothing. On the other hand, diamonds, which are essential for nothing, cost a lot. " Unfortunately, the world has changed considerably since an 18th century economist made this remark.
What was true over 200 years ago is certainly no longer true now. In a number of countries people pay as much for water in their homes as they do for electricity.
Like health, we ignore water when we have it-unless there are floods, of course. Once there is a threat to our water supply, however, water can quickly become the only thing that matters. We know only too well that, without water, there can be no life.
The situation is now becoming so bad that environmentalists feel it many be necessary to shock the world into saving water in a similar way to the shock caused by the oil crises in the 1970’s.
At that time, the oil crisis became such
A. People now pay as much for water as they did 200 years ago.
B. People now pay as little for water as they did 200 years ago.
C. Water now costs as much as it used to.
D. Water now has become more expensive than it was.

[单项选择]
How did the men get their water supply at the South Pole [A] They dug out clean snow. [B] They depended on ships to bring them water supply. [C] They depended on planes to bring them water supply.

[填空题]According to the passage all water pollutants come from household waste.

[单项选择]Once ______, this power station will supply all the neighboring towns and villages with electricity.
A. it being completed
B. it completed
C. completed
D. it completes

[填空题]Nearly all natural water bodies bear fish life excepting ______.

[简答题]supply

[填空题]

Why people can’t use all of the fresh water Because some of it is _________________________.

[单项选择]All （　） is a continuous supply of fuel oil.
A. what is needed
B. that is needed
C. the thing needed
D. for their needs

[单项选择]All（）is a continuous supply of the basic necessities of life.
A. what is needed
B. for our needs
C. the thing need
D. that is needed

[单项选择]All （） is a continuous supply of the basic necessities of life.
A. what is needed
B. for our needs
C. the thing needed
D. that is needed

[单项选择]Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.


A. mostly
B. almost
C. most