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
2023-09-08
36
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] 【C11】
选项
A、aviation
B、pilot
C、guidance
D、navigation
答案
D
解析
名词辨义题。本处意思是:这就需要一个强大的导航系统。D navigation“导航”。
转载请注明原文地址:https://tihaiku.com/zcyy/2995565.html
相关试题推荐
[originaltext]Scientistssaysharkshavelivedintheworld’soceansformi
[originaltext]Scientistssaysharkshavelivedintheworld’soceansformi
[originaltext]Scientistssaysharkshavelivedintheworld’soceansformi
ClimateChangeScientistspredictincreasi
ClimateChangeScientistspredictincreasi
ClimateChangeScientistspredictincreasi
ClimateChangeScientistspredictincreasi
Somepeopleclaimthathealthiswealth,becausetheyconsider_________________
[originaltext]M:Becausethetuitionrateisgoingup,Iwon’tbeabletostay
[originaltext]M:Becausethetuitionrateisgoingup,Iwon’tbeabletostay
随机试题
Fortunatelytherearestillafewtastythingsforusgourmandstoenjoyinr
要解决问题,还需作系统而周密的调查研究,这就是分析的过程。(inorderto)Inordertosolvetheproblem,asyst
[originaltext]W:Mr.Smith,I’dliketotalktoyouaboutmytermpaper.Whenw
[originaltext]Millionsofdollarsarespenteveryyearinfightingtoothde
Therewasaheateddiscussionaboutcustomerserviceatthemeetinguntilthema
[originaltext]W:IheardyoujustgotbackfromaweekendtriptoSantaFe.Ih
某别墅住宅小区总20户(每户4人),最高日生活用水定额为250L/(人·d),每
某桥梁静载试验,裂缝、校验系数等测试结果正常,获取检算系数Z2后,代替Z1重新进
患者,女性,70岁。既往有高血压病史20年,胆囊炎病史10余年,2小时前感心窝部
近几年来,我国开始对国内20个制造业行业中820家企业的采购经理进行月度问卷调査
最新回复
(
0
)