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 of 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 j
A.all of 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 j
admin
2015-07-15
23
问题
A.all of 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
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://jikaoti.com/ti/VI6jFFFM
0
在职申硕(同等学力)英语
相关试题推荐
Forthispart,youaretowriteacompositionofnolessthan120wordsonTheQualitiesoftheCross-CenturyTalents.Youshoul
Formillionsofyearsbeforetheappearanceoftheelectriclight,shiftwork,all-nightcableTVandtheInternet,theEarth’s
Anewtechnologicalprocessmaybeemployedtotapthisabundantsupplydirectly.
Revengeisoneofthosethingsthateveryoneenjoys.Peopledon’tliketotalkaboutit,though.Justthesame,thereisnothing
Itisnotclearwhethertheincreaseinreportsisstemmedfromgreaterhumanactivityorissimplytheresultofmoresurveys.
Thebravefiremenhadfoughtfordaysbeforetheymanagedto______theforestfire.
Thebravefiremenhadfoughtfordaysbeforetheymanagedto______theforestfire.
Onsomeoccasionsitisimportanttoadheretotheconventionsthatcharacterizeseriouspublicdiscourseandtoavoidexpressio
A.allofthatB.asifitwereC.freshwatersupplyD.inthisfieldA.Alimited【T13】______B.sothatitcanbeused
A.allofthatB.asifitwereC.freshwatersupplyD.inthisfieldA.Alimited【T13】______B.sothatitcanbeused
随机试题
从静脉注入空气所形成的空气性栓子主要栓塞的器官是
男,54岁,慢性咳嗽10年,气急3年,逐渐加重。X线胸片示肋间隙增宽,两肺透亮度增加,右上圆形透亮区,两下肺纹理紊乱。诊断应先考虑
表面深红色或橙红色,晶面有金刚石样光泽,断面具树脂样光泽的药材为()。
我国《刑法》规定,以自己为交易对象,自买自卖期货合约,影响证券交易价格或者证券交易量的,给予的处罚是( )。
计算机能够直接识别和处理的语言是()。
2012年6月,19岁的李某从东北农村来到北京,经亲戚介绍到一家印刷厂当了一名印刷工。2014年8月,已有两年多经验的李某,在工作中不慎将左手卷进机器,虽经医院紧急抢救,仍没有保留住李某的左手。在医院治疗期间,劳动社会保障部门认定了李某的工伤。2015年3
郭甲是运煤司机,一日运煤经过309国道某交通检查站时,执勤人员宋丙(身着交通警察制服,佩带执勤袖章)向郭甲走过来,递给了郭甲一张处罚决定书,说:“交20块钱再走。”郭甲接过处罚决定书,见上面印的全部内容是:根据有关规定,罚款20元。决定书印着某省某市交通大
判断差别正当性的基本原则有()。
Pollutionisa"dirty"word.Topollutemeanstocontaminate-topsoilorsomethingbyintroducingimpuritieswhichmake【C1】___
Please_____yourcoat.Don’tleaveitonthechair.
最新回复
(
0
)