首页
登录
职称英语
The world is not only hungry, it is also thirsty for water. This may seem st
The world is not only hungry, it is also thirsty for water. This may seem st
游客
2024-01-19
25
管理
问题
The world is not only hungry, it is also thirsty for water. This may seem strange to you, since nearly 75% of the earth’ s surface is covered with water. But about 97% of this huge amount is seawater,【C1】______salt water. Man can only drink and use the other 3% of the fresh water that comes from rivers, lakes, underground, and other【C2】______And we cannot even use all of that, because some of it is in the form of icebergs and glaciers. Even worse, some of it has been polluted.
However, as things stand today, this small amount of fresh water,【C3】______is constantly being replaced by rainfall, is still enough for us. But our need【C4】______water is increasing rapidly—almost day by day. Only if we take steps to deal with this problem now【C5】______a severe worldwide water shortage later on. A limited water supply would have a bad effect on agriculture and industry. Let me give you just one small example of【C6】______necessary water is to industry. Do you know that【C7】______a single ton of steel, it takes about 91 ,000 liters of water?
We all have to learn how to stop【C8】______our precious water. One of the first steps we should take【C9】______to develop ways of reusing it. Experiments have already been done in this field, but only on a small scale. The systems that have been worked out resemble【C10】______used in spacecraft. [br] 【C10】
选项
A、what
B、ones
C、these
D、those
答案
D
解析
those在这里代指the systems。
转载请注明原文地址:https://tihaiku.com/zcyy/3374942.html
相关试题推荐
[originaltext] Three-fourthsoftheworldiscoveredwithwater.Butonlyabou
[originaltext] Three-fourthsoftheworldiscoveredwithwater.Butonlyabou
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonced
Someanimalscan______inthedesertonverylittlewater.A、surviveB、starveC、re
随机试题
Talktoanyparentofastudentwhotookanadventurousgapyear(ayearbe
在银行风险管理中,(?)是商业银行的最高风险管理/决策机构,承担商业银行风险管理
处方一般不得超过几日用量A.3日 B.5日 C.7天 D.10天 E.1
学完古诗词后,教师让学生对古诗词进行整理,下列词作全部表达离别情绪的是( ).A
【继电保护及自动装置】2、主变压器差动保护与气体保护有何区别?
一次文献,又称原始文献,指以作者本人的工作经验、观察或者实际研究成果为依据而创作
(2017年真题)目前,个人信用报告主要用于()。A.银行的各项消费信贷业务
下列关于内部控制的观点中,恰当的有()。A.对控制了解的程序和对控制测试的
用于衡量经济体所产生的所有物品和劳务价格水平变动的指数是()。A.消费物价指数
以下事项可以由行政法规规定的事项为()。A.行政拘留 B.税种的设立 C.对
最新回复
(
0
)