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
The world lost seven astronauts of Space Shuttle Columbia (哥伦比亚号航天飞机) this month. It brought home the serious risk that humans
The world lost seven astronauts of Space Shuttle Columbia (哥伦比亚号航天飞机) this month. It brought home the serious risk that humans
admin
2021-09-24
48
问题
The world lost seven astronauts of Space Shuttle Columbia (哥伦比亚号航天飞机) this month. It brought home the serious risk that humans face into the hostile environs beyond our【C1】________planets, raising the question of whether exploring the heavens should be left to unmanned missions.
【C2】________less exciting, such missions will pose no risks to humans. And already robots have an impressive list of accomplishments 【C3】________ to their flesh and blood counterparts (职级地位相当的人或物).
"Unmanned missions are all about specifically targeted scientific【C4】________of the universe around us. Without exceptions, these efforts rise out of intense competition where the most compelling, and answerable questions are【C5】________, " said Marc Buie, an astronomer (天文学家) at Lowell Observatory in Flagstaff, Arizona. Robots have dug in the dirt on Mars, flown in the【C6】________ of Jupiter(木星), and driven by the moons of Neptune. A few are even approaching the boundary of the【C7】________.
Humans, on the other hand, have mostly been going in circles, 【C8】________above the surface of the planet. Besides the brief Apollo Mission triumphs on the【C9】________almost 250,000 miles away, humans have never gone farther than 400, 000 miles from the planet, less than a day’ s drive, although straight up. Humans fly near home for several reasons. There is the logistics (后勤) of sending humans and what they need, like water, air and food, in a closed environment that keeps them【C10】________.
【C9】
选项
A、Mars
B、moon
C、planet
D、Jupiter
答案
B
解析
Apollo Mission指的是阿波罗登月行动,B选项符合事实,故选B。
转载请注明原文地址:https://kaotiyun.com/show/9qGi777K
0
在职申硕(同等学力)英语
相关试题推荐
WhenIwasstillanarchitecturestudent,ateachertoldme,"Welearnmorefrombuildingsthatfalldownthanfrombuildingsth
A.forgrantedB.accountsC.enablesA.itonly【T1】______peopletoproduceB.healsotookit【T2】______C.it【T3】______
Theresearchshowsthatnearly130speciesofbirdsarevulnerabletothepredictedeffectsofclimatechange.
BeijingTelevision-StationTransmittingTowerreallylooksmagnificentatnightwhenit’silluminated.
A.It’sreallyfamilyfirstB.therealworkwillstartwhentheywalkoffthestageC.thenitwasjustapenaltyD.becauseI’ma
A.It’sreallyfamilyfirstB.therealworkwillstartwhentheywalkoffthestageC.thenitwasjustapenaltyD.becauseI’ma
A.Pleaseopenyourbag.B.I’llbestayinginaroomatahoteldowntownfortheentireweek.C.Whatisthepurposeofyourvisit
Competitionbreedsexcellence.Askanyonewhopaysattentiontothecarindustryandtheywilltellyouthatthefamily-sedanseg
Therichhavetraditionallypassedtheirwealthontotheirchildren.Butanincreasingnumberofbillionairesarechoosingnot
withbutprotectionA.Itusuallygivesinadequate【T7】______fromtheweatherB.notonlyinsomedevelopingcountrieswhereb
随机试题
A.结节性淋巴细胞为主型B.淋巴细胞为主型C.结节硬化型D.混合细胞型E.淋巴细胞消减型欧美等发达国家最常见的HD亚型,特征是腔隙型RS细胞
下面哪种血尿应考虑肾、输尿管结石
投资项目安全预评价常用的方法有()。
利润是企业在一定时期经营活动取得的综合成果,包括营业利润、营业外收支净额和( )。
下列关于证券投资的预期收益率与风险之间的关系的说法,不正确的是()。
甲地板厂(以下简称“甲厂”)生产实木地板,2021年8月发生下列业务:(1)外购一批实木素板并支付运费,取得的增值税专用发票注明素板金额50万元、税额6.5万元,取得增值税专用发票注明运费金额1万元、税额0.09万元。(2)甲厂将外购素板40%加工成A
(2018·辽宁)中小学阶段学生常用的组织策略包括如下具体方法()
标准:制定:实施
Ifyouhavehighbloodpressure,you’reingood【C1】______.Hypertensionaffects67millionAmericans,includingnearlytwo-third
A、 B、 C、 CCouldyou…?(可以帮我做……吗?)表示委托别人做什么事情。这道题请求对方检查一下是否收到传真,(C)项的回答“好的,您有特别期待的传真吗?”符合题意,是正确选项。另外要注意(A)项的taxe
最新回复
(
0
)