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
Are we at the beginning of another Age of Exploration? Perhaps even more important, are we at the beginning of【C1】______Age of C
Are we at the beginning of another Age of Exploration? Perhaps even more important, are we at the beginning of【C1】______Age of C
admin
2014-01-13
48
问题
Are we at the beginning of another Age of Exploration? Perhaps even more important, are we at the beginning of【C1】______Age of Colonization? As the population of the world increases towards the point【C2】______the earth can no longer support all the people【C3】______on it, the second question becomes urgent. Will we discover a new world, 【C4】______Columbus did, on which human life will be possible? At this point in the space age, no one can really answer these questions. We can say, 【C5】______that we will not see tomorrow the kind of space travel that【C6】______fiction and the movies have shown. It will be a long time before we have flight that run【C7】______to human colonies on the moon or on, one of the planets. We are not even going to be able to【C8】______immediate advantages of the minerals that we may find on the planets【C9】______our own solar system.
Great problems must be solved【C10】______we could send colonists out into place. The distances that must be【C11】______and the length of time it takes to do that can hardly be【C12】______There are also dangers that we still do not realty understand, from radiation, for example, or from pieces of matter【C13】______in space, or from contamination forms of life that might【C14】______there. There is also need for humans to take their own environment into space【C15】______them. So far no "island" has been discovered in space on which people can exist without systems that【C16】______life, and these systems must accompany any future space【C17】______Finally, on the most practical【C18】______there has to be enormous expense【C19】______in space exploration. The U. S. and Russian governments have already spent billions of dollars for projects【C20】______which they can receive a return only in knowledge and not in money.
【C13】
选项
A、out
B、over
C、from
D、above
答案
A
解析
固定搭配。本题选择的词语与in space构成pieces of matter的定语,out in space是固定搭配,意为“外太空”。故答案为A。
转载请注明原文地址:https://kaotiyun.com/show/slhO777K
0
考博英语
相关试题推荐
Everysociety,beginningwithsomeslightinclinationinonedirectionoranother,carriesitspreferencefartherandfarther,i
Everysociety,beginningwithsomeslightinclinationinonedirectionoranother,carriesitspreferencefartherandfarther,i
Everysociety,beginningwithsomeslightinclinationinonedirectionoranother,carriesitspreferencefartherandfarther,i
Everysociety,beginningwithsomeslightinclinationinonedirectionoranother,carriesitspreferencefartherandfarther,i
ByaboutA.D.500theMoundBuilderculturewasdeclining,perhapsbecauseofattacksfromothertribesorperhapsbecauseofs
ByaboutA.D.500theMoundBuilderculturewasdeclining,perhapsbecauseofattacksfromothertribesorperhapsbecauseofs
DukeEllington’s______orchestrationtechniquesmadehimperhapsthemostremarkableartistthatjazzhasproduced.
Weallhaveoffensivebreathatonetimeoranother.Inmostcases,offensivebreathemanatesfrombacteriainthemouth,althou
随机试题
根据药物血浆t1/2解决下列问题,其中哪项与药物t1/2无关:
平衡反应2NO(g)+O2(g)2NO(g)△H<0使平衡向右移动的条件是下列中的哪一项?
若名义利率为r,一年内计息m次,计息周期的有效利率为r/m,则年有效利率为______。
根据《中华人民共和国消费者权益保护法》,关于消费者“依法求偿权”的说法,正确的是()。
非居民纳税人的下列收入中,应在中国按规定计算缴纳个人所得税的是()。
Apunctualpersonisinthe【C21】______ofdoingathingatthecorrecttimeandisnever【C22】______foranything.Anunpunctua
在其他条件不变的情况下,会引起总资产周转率指标上升的业务是()。
Generallyspeaking,aBritishiswidelyregardedasaquiet,shyandconservativepersonwhois(1)_____onlyamongthosewithw
It’snosecretthatthejobofapoliticalpollsterisgettingharderandhardereveryelectioncycle.Peoplearecuttingthela
Lastsummer,Ivisitedthesmallvillage______myfatherusedtolive.
最新回复
(
0
)