首页
登录
职称英语
Perhaps more than anything else, scientists are eager to find out if Martian
Perhaps more than anything else, scientists are eager to find out if Martian
游客
2025-03-01
23
管理
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. [br] 【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://tihaiku.com/zcyy/3977758.html
相关试题推荐
Perhapsmorethananythingelse,scientistsareeagertofindoutifMartian
Perhapsmorethananythingelse,scientistsareeagertofindoutifMartian
Perhapsmorethananythingelse,scientistsareeagertofindoutifMartian
Perhapsmorethananythingelse,scientistsareeagertofindoutifMartian
Perhapsmorethananythingelse,scientistsareeagertofindoutifMartian
I’dratheryou______anythingaboutthismatterthisevening.A、sayB、didn’tsa
JaydenHairstonwasverydisappointed.Morethananythingintheworld,hewa
JaydenHairstonwasverydisappointed.Morethananythingintheworld,hewa
JaydenHairstonwasverydisappointed.Morethananythingintheworld,hewa
Tothescientists’delight,theireffortshaveincreasedpeople’s()oftheimpor
随机试题
Theowneroftheautoplantrefusedtoraisetheworkers’wages,sayingthatit
IsRichSecondGenerationtheFallenGeneration?1.新闻舆论使“富二代”一词进入人们的视线2.有人认
医院内获得性肺炎,最常见的致病菌是A.病毒 B.厌氧菌 C.革兰阳性球
C
( )房地产经纪人销售工作初步完成的标志。A.房地产交易合同的签订 B.证件
期望模型中的三个因素可以有多种组合,产生最强动机的组合是()。A.高的正效
投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()
某企业调试新引进的化工产品生产线时发生事故,导致1名员工重伤和附近一条河流污染。
焊接参数包括()。A.焊接电流 B.焊接电压 C.焊接速度 D.焊接
结构梁上砌筑砌体隔墙,该梁所受荷载属于( )。A.均布面荷载 B.线荷载
最新回复
(
0
)