首页
登录
职称英语
A. always B. accumulating C. density D. function E. gathering
A. always B. accumulating C. density D. function E. gathering
游客
2024-09-07
35
管理
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. [br] 【C8】
选项
答案
M
解析
空格位于be动词后,故空格填入形容词、名词作表语,也可填入动词分词,构成进行时态或被动语态。下文通过通讯卫星的例子,说明每种卫星根据其功能目的,都有特定轨道,selected“选择”符合语义,故选M。
转载请注明原文地址:https://tihaiku.com/zcyy/3748218.html
相关试题推荐
_______consciousofmymoralobligationsasacitizen.A、Iwasandalwayswillbe
MycarisalwaysingoodrepairwhenIgoonaholiday.Theunderlinedwordmean
Allthefollowingparticiples(分词)functionasanadverbEXCEPTA、Sheisanamazi
Allthefollowingparticiples(分词)functionsasanattributiveEXCEPTA、Didyouh
_______fromeachother,theygetalonewellandcanalwaysfindabalance.A、Muc
Weshouldalwaysbearinmindthat_______decisionsoftenresultinseriouscon
A.functionB.warningC.definitionD.replacingE.expressF.wordsG.
A.functionB.warningC.definitionD.replacingE.expressF.wordsG.
A.functionB.warningC.definitionD.replacingE.expressF.wordsG.
A.functionB.warningC.definitionD.replacingE.expressF.wordsG.
随机试题
Whatisthecommonopinionaboutageandwork?[originaltext]Thereisawide
[originaltext]IraqhasreacteddefiantlytotheAmericanandBritishairra
Iwasonly8yearsoldonJuly20,1969,whenNeilArmstrong,38-year-oldco
Astothesupportingactress,shehasa(beautiful)______facethantheheroine(女
燃烧过程中,通常将气相燃烧并伴有发光现象称为()。A.无焰燃烧 B.有焰燃
应当向()部门提出工伤认定申请。A.建设行政主管 B.社会保险行政 C.安
丁香花萼的特征是A.先端四裂,肥厚 B.先端五裂,肥厚 C.先端四裂,膜质
吸氧疗法改善下列何种病变引起的缺氧效果最佳A:严重缺铁性贫血 B:先天性心脏病
港口与航道工程中,多汊道河口拦门沙航道的整治中,说法正确的是( )。A.宜选择
经上述治疗仍不能控制的心力衰竭再选用A、立即使用抗心律失常药 B、使用快速作用
最新回复
(
0
)