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
外语
Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a
Mars fascinates scientists because of its similarity to Earth, and it fascinates the public because our myth of "Martians" is a
admin
2010-11-02
62
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."
【C15】
选项
A、extended
B、expanded
C、intended
D、spanned
答案
A
解析
动词辨义题。本处意思是:延长的探测时间对于严格的测试非常重要。A extend“延长,延伸,扩展”。
转载请注明原文地址:https://kaotiyun.com/show/4Hs7777K
0
大学英语六级
相关试题推荐
By2030,peopleover65inGermany,theworld’sthird-largesteconomy,willaccountforalmosthalftheadultpopulation,compare
Noverysatisfactoryaccountofthemechanismthatcausedtheformationoftheoceanbasinshasyetbeengiven.Thetraditional
A、Gotosummerschool.B、TakeaVacation.C、Stayathome.D、Earnsomemoney.D
Peopletendtobuyprivatecarstoday.Formanypeople,especiallyyoungpeople,owningaprivatecarhassomanyadvantagestha
Thatexperiencesinfluencesubsequentbehaviorisevidenceofanobviousbutremarkableactivitycalledremembering.Learningco
Duetobigfloodsinthesouth,___________________(中央政府不得不动用储备以渡过粮食危机).
Theterm"FurtherEducation"isthenamegiven,inBritain,toaverybroadanddiverserangeofpost-schooleducation.Someis
Takingyourdogonvacationmayhavebeen【B1】______adecadeago,buttodayit’sflee.【B2】______thepet-friendlyhotel,whe
Takingyourdogonvacationmayhavebeen【B1】______adecadeago,buttodayit’sflee.【B2】______thepet-friendlyhotel,whe
Caughtinasqueezebetweenthehealthneedsofageingpopulationsononehandandthefinancialcrisisontheother,government
随机试题
职工代表大会或全体职工讨论集体合同草案时应当有_______以上职工代表或者职工出席,而且必须经过全体职工代表半数以上或者全体职工________以上同意,该集体合同草案方可通过。()
为证实某公司所记录的资产是否均由该公司拥有或控制,记录的负债是否均为该公司应当履行的偿还义务,注册会计师采用下列哪种程序能够获取充分、适当的审计证据()
不属于药物制剂开发设计基本原则的是
妊娠合并风湿性心脏病产妇,心功能Ⅱ级,临产后护士所实施的护理措施应除外
GBJl33—1990《民用建筑照明设计标准》规定,直接眩光限制质量等级可按眩光程度分为()。
我国行业标准规定沥青混凝土面层外观质量要求有:表面应平整、坚实,不得有脱落、裂缝、推挤、粗细料集中现象,以及()等项内容。
某服装厂为增值税一般纳税人,增值税率17%,退税率16%。2011年11月外购棉布一批,取得的增值税专用发票注明价款200万元,增值税34万元,货已入库。当月进口料件一批.海关核定的完税价格25万美元,已按购进法向税务机关办理了《生产企业进料加工贸易免税证
N%#[}A¥{§A}%[R
Theirrefusaltosigntheinternationaltreatywas______bymanycountriesintheworld.
Shoalsoffishareabletomoveandturninseamlessformationbyfollowingsimplerulesthatarelikethoseusedbycardrivers
最新回复
(
0
)