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
A. always B. accumulating C. density D. function E. gathering F. hostile G. live H. living I. monito
A. always B. accumulating C. density D. function E. gathering F. hostile G. live H. living I. monito
admin
2019-06-25
51
问题
A. always B. accumulating C. density D. function E. gathering
F. hostile G. live H. living I. monitor J. never
K. realm L. rotation M. selected N. sphere O. veil
Sputnik 1 was the first artificial satellite. It can be described as an aluminum 【C1】______ with a diameter of 58 centimeters and weighing 83.6 kilograms, equipped with instruments to measure the temperature and the 【C2】______ of the atmosphere. Sputnik 1 was launched into orbit around the Earth by the former Soviet Union on 4 October 1957. Since then, hundreds of artificial satellites have been launched, each with a different 【C3】______.
Some artificial satellites are used for telecommunication, which enable us to make telephone calls to any part of the world, to see 【C4】______ television transmissions and to communicate via the Internet. Other artificial satellites are used for navigation, so that people on Earth can know at any moment the position of an object, within a few meters. Others are weather or meteorological (气象的)satellites, launched to 【C5】______the state of the atmosphere and to follow the movement of the clouds as they gather. There are also military satellites, for the purpose of 【C6】______information on the armaments and the troops in countries which may be 【C7】______ and also to indicate the launch of a missile.
Each satellite has its own orbit which is 【C8】______ according to its purpose. Communications satellites, for example, have a geostationary orbit. That is an orbit which turns at the same speed as the 【C9】______ of the Earth. Satellites used for weather forecasting pass over the two poles of the Earth. By so doing, a different part of the Earth surface is viewed on each successive orbit. All artificial satellites get the energy they need by huge solar panels which extend like wings. These are therefore controlled in such a way that they are 【C10】______ turned toward the Sun.
【C9】
选项
答案
L
解析
空格前the提示空格处应填入名词。根据关键词an orbit“轨道”和turn at the same speed as“以与……相同的速度旋转”,可推断L项rotation“旋转”正确,填入句子意为“这种轨道与地球自转保持同步”,句意通顺,故选L。
转载请注明原文地址:https://kaotiyun.com/show/0DRK777K
0
专业英语四级
相关试题推荐
In-serviceEducationandVocationalDevelopmentUniversities,withtheircompletecurriculum,/areintendedtofirstteach
NationalSpellingBeeEveryyear,thebestyoung【T1】______fromaroundtheworld【T2】______inWashington,D.C.fortheNationa
PatentPatents【T1】______thechancesofinventorstomakemoneyfrom【T2】______.【T3】_______youhaveanidea【T4】______.Howdo
VocationalSchoolsTheuniversitiesarenotabletomeetallthe【T1】______needsofthesocietyforfuture【T2】______.Vocatio
StopBeingaPeoplePleaser1.Say"no"Givereasonsinsteadof【T1】______excusesExamplesIt’sstressfulto【T2】______alarge
InternationalSummerExchangeProgram1.AimsoftheprogramTocreatearewardingexchangeexperience2.Components【T1】______
Britainhasannouncedthatitistocancelabout200millionpounds’worthofdebts【T1】______itbypoorerCommonwealthcountrie
A、Cancelhisgraduationcelebration.B、Contacthischairpersonrightaway.C、Callthewomanassoonaspossible.D、Certifyhisc
WhichofthefollowingadverbscanNOTbeusedtocomplete"________everybodycame"?
随机试题
流行病学特征包括地方性、流行性、_______。
下列关于肌紧张的描述,正确的是
甲、乙为劫取财物将丙杀死,当场取得丙随身携带的现金2000余元,甲、乙从丙携带的名片上得知丙是某公司总经理,于是按照名片上的电话给丙的家人打电话,声称丙已被绑架,交钱放人,否则杀死丙。丙的家人立即报警,甲、乙被抓获。对于本案应如何处理?()
企业的营业利润即利润总额,是企业生产经营全过程的最终财务成果。( )
如发现原始凭证金额有错误时,应当()。
工程建设项目招标投标活动应遵循()原则。
公共产品所具有的特征中占据核心地位的有()。
某生产企业(小规模纳税人)生产销售柴油,某月取得的销售收入应缴纳的税费有()。
简述资本充足性约束对商业银行的影响。
Sinceitisalreadymidnight,we______now.
最新回复
(
0
)