首页
登录
职称英语
Mars fascinates scientists because of its similarity to Earth, and it fasci
Mars fascinates scientists because of its similarity to Earth, and it fasci
游客
2024-05-30
5
管理
问题
Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a vision of life beyond Earth. The Mars【C1】______ continues with the launch of a robot vehicle by UK scientists. It’s part of a project to build an "autonomous robotic scientist" to【C2】______ the Martian surface and is key to the European Space Agency’s 2011 ExoMars【C3】______ .
The six-wheeled vehicle housing a myriad of scientific【C4】______ and detectors is the Mars rover, nicknamed "Bridget". Astrium, an EADS company, are【C5】______ the ExoMars rover prototype and coordinating its【C6】______ with other UK-based institutions.
Searching for a【C7】______ similar to that found on Mars, the team took the rover to El Teide National Park in Tenerife. Lester Waugh, leading the EADS Astrium team, explains, "The rover’s not waterproof so the conditions need to be dry as any moisture affects the way the sand【C8】______ under the wheels."
Solar panels will supply power and radioisotope(放射性同位素 ) heater units will help it withstand the cold on Mars. The team is optimizing the performance of the wheels, suspension, the drive system,【C9】______ it doesn’t dig itself in on tricky terrain.
Taking【C10】______ to twenty minutes for radio signals to reach Earth demands a powerful【C11】______ system to allow the rover to operate【C12】______ so they are also developing next generation computer software【C13】______ .
The rover will land on Mars packed to capacity【C14】______ scientific gadgets designed to be as light and as small as possible. The【C15】______ development time is essential for rigorous testing, as Waugh explains," 【C16】______ we put things in space we have to make sure that they’ll【C17】 ______ the radiation environment, the【C18】______ of heat and cold. Our science【C19】______ is crucial, and malfunctions may affect that. The more science we get back the betterC1【C20】______ there is for spending more money on planetary exploration." [br] 【C16】
选项
A、Before
B、After
C、When
D、If
答案
C
解析
语义衔接题。本处意思是:当我们向太空发射探测器时…。C when“当…时”。
转载请注明原文地址:https://tihaiku.com/zcyy/3611836.html
相关试题推荐
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
MarsfascinatesscientistsbecauseofitssimilaritytoEarth,anditfasci
随机试题
()固定资产()资金分配[br]()创办资本()可用资产A,G
A—RelevanceofmotivationtheoriesI—TradeUnionRepresentationB—SystematicT
慢性风湿性瓣膜病常见的联合瓣膜损害是()A.二尖瓣、主动脉瓣及三尖瓣 B.
汉语“帽子”、“棋子”两个词()A.前者是复合词,后者是派生词 B.前者是派生
根据我国有关法律、法规规定,劳动者不必缴纳的保险费用有()。A.养老保险费
患者女性,22岁,已诊断为萎缩性鼻炎并拟手术治疗。临床上常用的术式不包括A.前鼻
甲公司为增值税一般纳税人,2018年发生的有关交易性金融资产业务如下: (1)
A. B. C. D. E.表示健康男性的符号是
《变电验收管理规定第9分册并联电容器组验收细则》:电容器极对壳绝缘电阻使用250
三相凸极同步发电机,SN=1000kVA,UN=400V,Y接法,X′d=1.0
最新回复
(
0
)