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
考研
Space Shuttle Project is one of the first huge-typed spaceflight instruments used for many times in the world, organized by Amer
Space Shuttle Project is one of the first huge-typed spaceflight instruments used for many times in the world, organized by Amer
admin
2011-04-12
69
问题
Space Shuttle Project is one of the first huge-typed spaceflight instruments used for many times in the world, organized by American National Aviation and Spaceflight Bureau, the main researches of【1】are researching and making the system of space shuttle, suggesting and choosing【2】 and landing ports, deciding the scheme of reclaiming the roll booster of solid rocket,【3】the establishment of repairing the roll booster, and rebuilding and expanding the building of the【4】and controlling system.
At the beginning of 1969, the United States set up a group that specially researched the development direction of spaceflight with 【5】 for the next stage,【6】by deputy president. After【7】and research, it suggested that an aero craft with great benefits in【8】should be made, eg【9】the spaceflight being its leading stanchion. In this project, five orbit implements were prescribed to be made, 【10】" Exploitation", " Columbia", " Challenger", "Discovery" and "Atlands".
In 1970, spaceflight got into an all-round【11】of research and manufacture. The whole-project had to delay more than three years. Five orbit implements were【12】to be four and flight experiment for six times was also decreased for four,【13】the number of production was cut down, according to the original scheme. In April 1971 this【14】was decided that Kennedy Space Centre was used for the launching and landing port for space shuttles, and Edwards Air Base was used for the 【15】 landing port. In February 1977,"Exploitation" Orbit Implement started to have entering and landing experiment sin Edwards Air Base. From May 12, 1981 to July 4, 1982, "Columbia" Space Shuttle successfully finished four flight experiments for research and manufacture,【16】meant that the【17】and manufactures were over in【18】form.
It【19】about 12 years and cost more than 75 billion US dollars to finish the whole project. On November 11, 1990, space shuttles began to fly for【20】.
选项
A、uniform
B、spark
C、unity
D、spare
答案
D
解析
本题考查点是语境推断知识。本题空白处前面的信息内容“landing port(着陆场)”提示本题应该选用D(spare备用的),因为这样才能够保持本句前后在语意上的合理与通顺,使本句先涉及“着陆场(landing port)”,然后涉及“备用着陆场”。
转载请注明原文地址:https://kaotiyun.com/show/tFp4777K
0
考研英语一
相关试题推荐
Itisimportantthatenoughmoney______tofundtheproject
TherearethosewhoconsideritquestionablethattheseAdefence-linkedprojectswillBaccountforanimprovementinthestandar
SupposeyouareLiMing.Duringtheweek-longholiday,youjoinedapackagetourorganizedbyatravelagencytothecityofBei
UnitedStatesSenatorJohnGlennreturnedtoorbitaboardthespaceshuttleDiscoveryinlateOctober,1998,36yearsafterhis
UnitedStatesSenatorJohnGlennreturnedtoorbitaboardthespaceshuttleDiscoveryinlateOctober,1998,36yearsafterhis
UnitedStatesSenatorJohnGlennreturnedtoorbitaboardthespaceshuttleDiscoveryinlateOctober,1998,36yearsafterhis
TheAmericaneconomicsystemisorganizedaroundabasicallyprivate-enterprise,market-orientedeconomyinwhichconsumerslarg
TheAmericaneconomicsystemisorganizedaroundabasicallyprivate-enterprise,market-orientedeconomyinwhichconsumerslarg
TheAmericaneconomicsystemisorganizedaroundabasicallyprivate-enterprise,market-orientedeconomyinwhichconsumerslarg
随机试题
建设工程项目的总进度目标指的是整个项目的进度目标,它是在()阶段项目定义时确定的。
4岁女孩,因发热、头痛3天,昏迷、抽搐1天,于7月12日入院。查体:T40.5℃,深昏迷,双侧瞳孔缩小,呼吸40次/分,不规则,有时呈双吸气或抽泣样,频繁抽搐,肌张力增强,膝反射亢进,病理征阳性,脑膜刺激征阳性。外周血常规:WBC15×109/L,中性粒细
A.轻度刺激痛B.剧烈自发痛C.牵涉性痛D.持续性钝痛E.咬合痛带状疱疹的主要自觉症状是
百分吸收系数的物理意义是
下列关于个人信用贷款的贷款对象,说法正确的有()。
甲、乙、丙三人共同投资设立一合伙企业,合伙企业在存续期间,甲擅自以合伙企业的名义与丁公司签订了代销合同。乙和丙获知后,认为该合同不符合合伙企业利益,即向丁公司表示对该合同不予承认,因为该合伙企业内部规定,任何合伙人不得单独与第三人签订代销合同。对此,下列说
已知市场证券组合(marketportfolio)的预期回报为0.12,无风险利率为0.05,市场证券组合的标准差为0.1。用下列数据计算:[对外经济贸易大学2011研]计算由A、B构成的投资组合的β。
把内存中的数据保存到硬盘上的操作称为
下列说法中,正确的是
ThefaceoftheMoonischangedbycollisionswithmeteoroids,______newcraterstoappear.
最新回复
(
0
)