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
专升本
Life on Mars Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still
Life on Mars Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still
admin
2008-01-17
48
问题
Life on Mars
Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still exists.【61】telescopes first zoomed in【62】Mars in the 17th century, people have conjured up a wild【63】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.【64】, many scientists are optimistic. "We’ve got organisms on Earth that adapted to life deep【65】the surface in underground water wells, " says Stephen Clifford. "【66】life like that evolved on Mars four billion years ago, there’s no reason why it【67】today. "
【68】last year’s disappointing losses, the future of Martian exploration looks【69】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【70】the mysteries of planet Mars.
选项
A、understand
B、understanding
C、be understood
D、the understanding
答案
B
解析
转载请注明原文地址:https://kaotiyun.com/show/MTLC777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
当x→0时,用o(x)表示比x高阶的无穷小量,则下列式子中错误的是()
关于函数f(x)=arctanx2,下列说法错误的是()
下列命题错误的是().
Thefirstatomicbomb______.TheAmericansdroppedanatomicbomb______.
American【B1】______aresimilartoothercities【B2】______theworld.Ineverycountry,citiesreflectthevaluesofthe【B3】___
A______(horrify)screamwasheardatthedarkmidnight.
Successfulinnovationshavedrivenmanyoldertechnologiestoextinctionandhaveresultedinhigherproductivity,greaterconsu
Aswellasbeingusedfortakingphotographs,X-raysarealsousedfortreatingdiseasedpartsofthebodyinordertokillthe
Inolddays,whenaglimpseofstockingwaslookeduponassomethingsoshockingastodistracttheseriousworkofanoffice,s
Therearestillalotofdifficultiesforusto______.
随机试题
卫氏并殖吸虫的第一中间宿主是
下面哪项不是先兆子宫破裂的临床表现
我国国民经济和社会发展规划按行政层级可分为()。
《中华人民共和国港口法》第三十四条规定船舶进出港口,应当依照有关水上交通安全的法律、行政法规的规定向()报告。
背景某项目部负责施工的某市移动通信基站安装工程,包括39个基站的安装及调测工作,工程工期要求60天,保修期1年。项目部在完成了5个基站以后,建设单位提出本工程项目完成一个基站、验收一个基站、投产一个基站。本工程的设计比较细致,工程中未发生设计变更
在对消费者行为进行分析的过程中,对消费者偏好做出的假定不包括()。
“元四家”倪瓒的绘画风格是()。
网络中各个节点相互连接的形式,称为网络的()。
论述创造性思维以及如何对大学生进行创造性思维的培养。
在地球构造活动频繁的时期,环非洲、南美和欧洲的新海洋盆地开始扩展,产生了新的空间。大气中大量二氧化碳与光合作用的生物发生反应,死亡的生物随后被埋在海底沉积物中,形成了富含碳元素的页岩。大气中的碳被固定下来,使得大气中二氧化碳的水平下降,减小了温室效应并降低
最新回复
(
0
)