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
79
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://www.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
利用级数的性质和判别方法判断级数的敛散性
Since1950s,thecomputerindustryhas______.Wecandrawaconclusionfromthefirstparagraphthat______.
Thefirstatomicbomb______.TheAmericansdroppedasecondbombinJapan______.
Notuntilthisterm______torealizehowimportantthissubjectistohisfuturecareerasadiplomat.
Thecowboyistheheroofmanymovies.Heis,eventoday,asymbolofcourageandadventure.Butwhatwasthelifeofthecowboy
______fortheirhelp,wewouldnothaveovercomethedifficulties.
Ourcorporationisestablishedforthepurposeofcarryingonimportandexportbusinessaswellasotheractivitiesinconnecti
HemingwaywasborninIllinois,hisfamilytookhimasaboyonfrequenthuntingandfishingtripsandsoacquaintedhimearlyw
Theyovercameallthedifficultiesandfulfilledtheplantendaysaheadofschedule,______wassomethingwehadnotexpected.
LeadersofmostcountriesintheworldattendedtheUNmeeting______inSouthAfricaearlierthisyear.
随机试题
请示的行文规则是()
Earlyinthe18thcentury,CaptainCook,afamousexplorerofAustralia,unexpectedlycaughtsightofanunusualanimalduringh
当有开口困难及脑神经症状时,最不可能的诊断是
碾压混凝土的VC值在()范围时,其强度随VC值的增大而提高。
下列关于数字出版产品校对的基本功能的说法正确的是()。
认同是在思想、情感、态度和行为上主动接受他人的影响,使自己的态度和行为()。
关于××区××路西延部分道路施工期间禁止通行的通告二○一三年第2号经有关部门批准,××区××路西延部分道路将进行施工。为保证施工期间的道路交通安全与畅通,根据《中华人民共和国
脑功能定位说始于()和斯柏兹姆提出的颅相学。
下面与ROM BIOS相关的叙述中,错误的是( )。
ACross-culturalPhenomenonThereappearstobeagreatvariationastothetreatmentthatolderadultsreceive,rangingf
最新回复
(
0
)