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
外语
The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once trea
The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once trea
admin
2013-05-04
53
问题
The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being【C1】______ quite seriously by many nations, especially since scientists have warned that the human race will【C2】______ its fresh water supply faster than it runs out of food.
Glaciers are a possible【C3】______ of fresh water that has been overlooked until recently. Throe-quarters of the Earth’s fresh water supply is still tied up in glacial ice, a reservoir of【C4】______ fresh water so immense that it could【C5】______ all the rivers of the world for 1,000 years. Floating on the oceans every year are 7,659 trillion metric tons of ice encased in 10,000 icebergs that break away from the polar ice caps, more than ninety percent of them from Antarctica.
Huge glaciers that【C6】______ over the shallow continental shelf give birth to icebergs throughout the year. Icebergs are not like sea ice, which is formed when the sea itself freezes, rather, they are formed【C7】______ on land, breaking off when glaciers spread over the sea. As they drift away from the polar region, icebergs sometimes move mysteriously in a direction【C8】______ to the wind, palled by subsurface currents. Because they melt more slowly than smaller pieces of ice, icebergs have been known to drift as far north as 35 degrees south of the equator in the Atlantic Ocean. To control them and【C9】______ them to parts of the world where they are needed would not be too difficult.
The difficulty arises in other technical matters, such as the prevention of rapid melting in warmer climates and the funneling(传送) of fresh water to shore in great volume. But even if the icebergs lost half of their volume in towing, the water they could provide would be far cheaper than that produced by desalinization (脱盐) , or【C10】______ salt from water.
A) removing F) resource K) similar
B) stretch G) outgrow L) source
C) deriving H) opposite M) ensured
D) entirely I) approximately N) sustain
E) untapped J) considered O) steer
【C4】
选项
答案
E
解析
此处需要形容词或分词修饰fresh water。上一句讲到冰川一直has been overlooked until recently,由此可知冰川中的淡水一直未被开发,因此该词与overlooked应该近义,故可得出答案为untapped。untapped fresh water指“未被开发的淡水”。
转载请注明原文地址:https://kaotiyun.com/show/ETB7777K
0
大学英语六级
相关试题推荐
A、Tohelpthestudentsorganizealecture.B、ToanswerProfessorHume’slastemail.C、TointroducetothestudentsRosaParks.D
Peoplehavewonderedforalongtimehowtheirpersonalitiesandbehaviorsareformed.Itisnoteasytoexplainwhyoneperson
A、Writebooksonthewoman’scountry.B、Providethewomanmoreinformationforherresearch.C、Gotovisitthewoman’scountrya
ScientistsWorryMachinesMayOutsmartManArobotthatcanopendoorsandfindelectricaloutletstorechargeitself.Compu
Withsmartphonestakingtheworldbystorm,aphonethatcanonlysendandreceivevoicecallsandtextmessagesmayseemlikea
WorldExpoisthelargestthemeexhibitionwheretheorganizerandparticipantscancommunicateandpromotethespecificconcept
A、Cowardly.B、Anxious.C、Lazy.D、Courageous.D综合推断题。女士说她会先听听这个声音会不会再次出现,如果会,就起床看看究竟是什么,由此推断,女士很勇敢。选项中cowardly意为“胆怯的”,anxious意为“担
A、Hedoesn’thaveanynotes.B、Hedoesn’twanttolendherthenotes.C、Shecouldn’tborrowthenotesfromMichael.D、Shehasto
A、Heisinameeting.B、Heisonthetelephone.C、Heisbusy.D、Heisconfused.C由男士提到的Iaminthemiddleofsomethingrightnow
A、Sheisunwillingtoundertakethem.B、Shecomplainsaboutherbadluck.C、Shealwaysacceptsthemcheerfully.D、Shetakesthem
随机试题
王老师制作的一个Word文档的部分截图如下图所示,两个方框处的数字表示该处()。
在变压器的安装现场,采用电桥法和电压降法可以测量()。
不符合填写票据和结算凭证的书写要求。()
对2009年我国13个省市自治区城镇居民人均消费支出与人均可支配收入的相关系数进行显著性检验时,t的检验值为28.51,tα/2=2.201,则下列说法正确的有()。(α=0.05)
石湖县政府以文件形式规定:因禽类宰杀市场管理需要,石湖县所有禽类宰杀单位或者个体户,须在规定期限内到县政府临时成立的禽类管理办公室申请办理禽类宰杀证,违者予以罚款。个体户陈某未按文件规定申请办理禽类宰杀证,禽类管理办公室对陈某罚款500元。下列关于该案行政
根据资源税法的有关规定,下列各项中属于资源税的特点的有()。
班主任工作的中心环节是()。
2016年6月,经李克强总理签批,国务院印发《关于加强困境儿童保障工作的意见》。关于《意见》相关内容,下列说法错误的是()。
简述中国古代法典从唐朝到清朝篇章体例的发展演变。
有如下程序段:inti=l;while(1){i++:if(i==10)break;if(i%2==0)cout<<’*’;}执行这个程序段输出字符木的个数是(
最新回复
(
0
)