首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
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
14
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】______
【T19】
选项
A、
B、
C、
D、
答案
D
解析
空白处前一句说的是“除了停止浪费我们珍贵的水资源,我们要采取的重要的一步就是发明重复利用水的方法”,空白处后面的句子说的是“但是只是小规模的”,所以这个空格内填入的应该与发明重复利用水源的方法有关,所以选项D“在这个领域内开展了很多实验”为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/BjQi777K
0
在职申硕(同等学力)英语
相关试题推荐
Musiccomesinmanyforms;mostcountrieshaveastyleoftheirown.【C1】______theturnofthecenturywhenjazz(爵士乐)wasborn,Am
Andreaallowedthehitchhikertotakearideinhercar,mainlybecause______Andreascreamedbecause
Nearlyeleventhousandpeoplehavebeenarrestedfordefyingthebanonstreettrading.
Afterretirementfrommedicalresearch,mywifeandIbuiltourhomeinagatedcommunitysurroundedbyyachtclubsandgolfcou
Amajorgoalofthestatetravelagencyisto______morepeopletovisititscountryattheturnofthecentury.
Whatismostremarkableabouttheproposalmadebythetwoscientists?Thepassageismainlywrittento______.
Childrenmodelthemselveslargelyontheirparents.Theydosomainlythroughidentification.Childrenidentify【C1】______apar
TheAmericans______GeorgeWashingtonasthefatheroftheircountry.
Woman:HowdidEllendoonhermathtest?Man:Shepasseditwithflyingcolors.Question:WhatisthemansayingaboutEllen?
Thedestructionofournaturalresourcesandcontaminationofourfoodsupplycontinuetooccur,largelybecauseoftheextreme
随机试题
沟通的原则包括_____、_____、_____。
呋塞米作为降压药,其作用原理是硝苯地平降压的作用原理是
A.15°B.60°C.70°D.80°E.140°上颌中切牙的长轴与下颌中切牙的长轴的交角约为
规划研究咨询的内容包括()。
凡属法定检验商品都是先报关后报检。()
A、9B、17C、24D、29C规律为第一列数字+第三列数字×2=第二列数字。所以=10+7×2=24。
我第一次读到莫言,是他的《红高粱》,大约是在20世纪80年代末。那时我想他应是上了年纪的作家,因为他知道那么多过去的故事,如抗日战争、辛亥革命、“文化大革命”等。后来见了面才知,他其实比我大不了多少。然而,他的经历和想象何以如此丰富?我印象最深的,
如何认识和处理政府与市场的关系,是贯穿我国30多年经济体制改革的一条主线。党的十八届三中全会《决定》指出,“经济体制改革是全面深化改革的重点,核心问题是处理好政府和市场的关系,使市场在资源配置中起决定性作用和更好发挥政府作用”。处理好政府和市场关系,实际上
以下关于数据完整性设计叙述错误的是______。A)域约束限制指定表列的取值及范围B)主码约束定义每个关系的主码不空,但可以不唯一C)引用完整性约束定义不同关系模式的属性之间满足的条件D)引用完整性约束定义一个关系模式中属性之间可能满足的条
Whydoesthewomanwantacard?
最新回复
(
0
)