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
Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still exists.【C1】______
Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still exists.【C1】______
admin
2019-05-15
44
问题
Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still exists.【C1】______telescopes first zoomed【C2】______Mars in the 17th century, people have conjured up a wild【C3】______of images or what Martians might look like. But space probes like the 1997 Sojourner land rover have yielded no evidence of such alien beings.
Most experts agree that if life did at one time evolve on Mars, finding evidence of that life— which would likely take the form of tiny organisms—won’ t be easy.【C4】______, many scientists are optimistic. " We’ ve got organisms on Earth that adapted to life deep【C5】______the surface in underground water wells, "says Stephen Clifford.【C6】______life like that evolved on Mars four billion years ago, there’ s no reason why it【C7】______today. "
【C8】______last year’ s disappointing losses, the future of Martian exploration looks【C9】______This year, two major films about fictitious Mars missions—Red Planet and Missions to Mars—are certain to heighten interest in our planetary neighbour. More important, plans for new sets of NASA orbiters and landers—one to launch in 2001 , the other in 2003—are already in the works. Without a doubt, each new mission will inch scientists closer to【C10】______the mysteries of planet Mars.
【C10】
选项
A、understand
B、understanding
C、be understood
D、the understanding
答案
A
解析
本题考查动词用法。understand为动词原形,表示主动语态。understanding是进行时态。be understood是被动语态。the understanding是名词,表示“理解”。空格前是不定式标志词to,空格处要用动词原形,故本题选A。
转载请注明原文地址:https://kaotiyun.com/show/2g3O777K
0
成人本科学位英语
相关试题推荐
In2012,IhadjustrecoveredfromaseriousillnesswhenIreceivedaninvitationtoawriter’sconferenceinOrlando,FloridA
In2012,IhadjustrecoveredfromaseriousillnesswhenIreceivedaninvitationtoawriter’sconferenceinOrlando,FloridA
You______havesaidthat,nowGrandma’sreallyangry.
Tosaveenergy,peoplehaveto______theirelectricityconsumption.
TheUnitedStates【C1】______alargepartoftheNorthAmericancontinent.ItsneighborsareCanada【C2】______thenorth,andMexico
Englandisnotabigcountry:fromnorthtosouthandfromeasttowestitisonlyaboutthreehundredmilesacross.Butforas
Quittingsmokingismoreofamatterofwillpowerthanofindividualchoice,forsmokingiswidelyrecognizedasahardhabitth
Moneyreallycan’tbuyhappiness,accordingtoanewsurveyshowinglawyersandotherwell-paidwhite-collar?workersaremorel
Howmenfirstlearnedtoinventwordsisunknown:inotherwords,theoriginoflanguageisamystery.Allwereallyknowistha
______bythestorm,theywereforcedtogowithoutfoodforseveraldays.
随机试题
肾盂肾炎的病变有如下特点
熟狗脊片的加工方法是大黄的加工方法是
下列不是个人教育贷款操作风险的防控措施的是()。
已知消费者的收入水平为200元,甲商品的价格为10元,乙商品的价格为5元。假定他打算购买6单位甲商品和14单位乙商品,且此时甲商品和乙商品的边际效用分别为40和16,如果该人想获得最大效用,他应该( )。
若某求助者在1~5五级记分的SCL-90上所得的分为140分,阳性项目数为50项,则其阳性症状均分为()分。
华华在活动室不小心把膝盖摔破皮,华华妈妈投诉带班的范老师,第二天园长批评了范老师,范老师憋了一肚子火,回班里训斥孩子们:“还不给我坐好!莫名其妙!”范老师的行为()
一个两位数,个位数比十位数大4,若颠倒顺序,则得到的新数比原来的两位数的2倍还大10,那么原来的两位数是:
求x=cost(0<t<π)将方程(1一x2)y"一xy’+y=0化为y关于t的微分方程,并求满足y|x=0=1,y’|x=0=2的解.
Withhumanfootprintsonthemoon,radiotelescopeslisteningformessagesfromaliencreatures(whomayormaynotexist).techn
从公元前4000年开始,中国传统绘画已经持续发展了6000多年。它的发展不可避免地反映出时代和社会状况的变化。在它的早期发展阶段,中国绘画与其他工艺密切相关,从陶瓷(potteries)到青铜器(bronzes)和玉雕(carvedjades)的装饰。中
最新回复
(
0
)