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
61
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】________.
【C7】
选项
A、universe
B、solar system
C、space
D、moon
答案
B
解析
排除法。本句之前讲述的都是机器人如何探测太阳系各大行星,可以推测这里描述的是太阳系的边缘。故选B。
转载请注明原文地址:https://kaotiyun.com/show/1qGi777K
0
在职申硕(同等学力)英语
相关试题推荐
A.Thedisastrousimpactonbiodiversity.B.Humanpopulationgrowthworsenstheproblem.C.Whatislandconversion?D.Protecteda
Accordingtoasurvey,whichwasbasedontheresponsesofover188,000students,today’straditional-agecollegefreshmenare"
A.forgrantedB.accountsC.enablesA.itonly【T1】______peopletoproduceB.healsotookit【T2】______C.it【T3】______
A.Andhowaboutwebsiteauthoringskills?B.I’mafraidI’veneverusedthoseCGIthings.C.IthinkIhaveALLtheinformationI
A.It’sreallyfamilyfirstB.therealworkwillstartwhentheywalkoffthestageC.thenitwasjustapenaltyD.becauseI’ma
A.Pleaseopenyourbag.B.I’llbestayinginaroomatahoteldowntownfortheentireweek.C.Whatisthepurposeofyourvisit
ChineseenterprisemanagersandbusinesseducatorsarenowexploringthepotentialoftheGlobalManagementChallenge,asimulat
A.Thatsoundsverymechanical.B.Ah,"bodylanguage"isreallyimportant,isn’tit?C.I’veneverthoughtaboutthatbefore.D.
A.boysalwayswearblacksuitordarkbluesuit,andalsoawhiteshirtB.IwanttobuyasetofsuitandatieC.becauseit
Scrapsoffoodcouldsoonbehelpingpoweryourhome,thankstoanultra-cheapbacteria-drivenbattery.Itsdevelopershopethat
随机试题
在肘关节横断层面上,肘窝内的标志性结构
下列关于诉讼时效中断的表述中,正确的是()。
下列哪项是胆囊癌的癌前病变
若动物流出鼻液呈砖红色或铁锈色,则提示的疾病多为()。
在哪里上课、何时上课、由谁为你上课……这些都由你说了算,你还可以随时随地在互联网上搜索到不收任何费用的知识,线上免费或低价观看教育视频、名家讲座等。这让在线教育成为普通人都消费得起的“私人定制”。随着在线教育的形式和内容越来越多样化,会有越来越多的人乐意尝
(2008年卷二第40题)甲拾得一台笔记本电脑,在寻找失主过程中不小心将电脑摔坏。后笔记本电脑失主被确认为乙。根据民法通则及相关规定,对于因该笔记本电脑被摔坏而给乙造成的损失,下列哪些说法是正确的?
下列属于美国建筑师赖特的代表作的是()。
Lastnight’sTVnewssaidthatbythenthedeathofthemissingpeople______(未证实)yet.(prove)
A、内向的人更仔细B、工作要追求完美C、和同事相处要融洽D、选适合自己的工作D
Environmentalscientistsobservethatitisofgreatsignificancetoprotectwildlifeandwildplacesffhumanbeingswanttosu
最新回复
(
0
)