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A. all af that B. as if it were C. fresh water supply D. in this field A. A limited【T13】______ B. so that it
A. all af that B. as if it were C. fresh water supply D. in this field A. A limited【T13】______ B. so that it
admin
2015-10-26
22
问题
A. all af that B. as if it were
C. fresh water supply D. in this field
A. A limited【T13】______
B. so that it can be used again just【T14】______ from a spring
C. And we cannot even use【T15】______
D. Experiments have already been done【T16】______
The world is not only hungry, it is also thirsty for water. It seems there is plenty of water, but about 97% of this huge amount is sea-water, or salt water. Man can only drink and use the other 3% fresh water.【T17】______ , because some of it is in the form of icebergs and glaciers. Even worse, some of it has been polluted.
At the moment, his small amount of fresh water is still enough for us. However, our need for water is increasing rapidly. Only if we take steps to deal with this problem now, can we avoid a severe worldwide water shortage later on. One of the useful steps we can take is to stop unlimited use of water.【T18】______ , however, would have a bad effect on agriculture and industry.
In addition to stopping wasting our precious water, one more useful step we should take is to develop ways of reusing it.【T19】______ , but only on a small scale.
Today, in most large cities, water is used only once and it eventually returns to the sea or runs into underground storage tanks. But it is possible to pipe water that has been used to a purifying plant. There it can be filtered and treated with chemicals【T20】______
【T18】
选项
A、
B、
C、
D、
答案
A
解析
空白处前一句说的是“有用的一步就是停止无限量地使用水”,空白处后面的句子说的是“但是,将会对农业和工业有不良影响”,由此空白处填入的应该是与水的供给相关的内容。同时,此处需要名词短语充当主语。所以选项A“有限的水供给”为正确答案。
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在职申硕(同等学力)英语
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