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
Do you have any knowledge of the space station? A space station is a place 【21】______ people can and work on space 【22】______
Do you have any knowledge of the space station? A space station is a place 【21】______ people can and work on space 【22】______
admin
2010-06-30
52
问题
Do you have any knowledge of the space station? A space station is a place 【21】______ people can and work on space 【22】______ long periods. It orbits the earth, usually about 200 to 300 miles high. A space station may 【23】______ as an observatory, laboratory, factory, workshop, warehouse, and fuel depot. Space stations are much larger than manned spacecraft, 【24】______ they provide more comforts. Manned spacecraft may 【25】______ people between the earth and the space station. Unmanned spacecraft may supply the station 【26】______ food, water, equipment, mail and so on.
Small space stations can be 【27】______ on the earth and launched orbit by 【28】______ rockets. Larger stations are 【29】______ in space. Rockets or space shuttles 【30】______ modules of the station into space, where astronauts assemble them. Old modules can be replaced, and new modules can be 【31】______ to expand the station.
A space station has 【32】______ one docking port 【33】______ which a visiting spacecraft can attach itself. Most docking ports 【34】______ of a rimmed doorway called a hatch that can connect 【35】______ the hatch on the visiting spacecraft to form an airtight seal. When the two hatches open, they form a pressurized tunnel between the station and the visiting spacecraft.
The main tasks of a space station crew involve scientific research. For example, they might analyze the 【36】______ of micro gravity on various materials, 【37】______ the earth’s surface, or study the stars and planets.
Astronauts 【38】______ a space station also 【39】______ much of their time to the assembly of equipment and the expansion of the station’s facilities. This includes 【40】______ beams, connecting electrical and gas lines, and welding permanent joints between sections of the station. The crew must also fix or replace broken equipment.
【31】
选项
A、joined
B、linked
C、connected
D、added
答案
D
解析
此句意思是说:“旧的航空舱可以被更换同时可以增添新舱来扩大航空站的规模。”join 表示“连接,接合”,与题意均不相符,link 表示“连接,联系”,connect 表示“把……跟……联系起来”,常与 with 跟 to 搭配。
转载请注明原文地址:https://kaotiyun.com/show/IMJd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
Itisgenerallyacknowledgedthatfamiliesarenownotascloseastheyusedtobe.Givepossiblereasonsandyourcommendations
Howpeoplebehave.
Withthewidespreadcomputers,thereisanincreaseinthenumberofpeoplemakinguseofInternet.SomepeoplebelievethatInt
Somepeopleclaimthatstayinginaplaceallone’slifeisgoodforone’sgrowth,whileothersdisagreewiththeview,andthey
Withunfamiliarhumanbeings,whenweacknowledgetheirhumanness,wemustavoidstaringatthem,andyetwemustalsoavoidign
A、Morethan150millionpeople.B、Lessthan150millionpeople.C、About100millionpeople.D、About120millionpeople.A
Themostobviouspurposeofadvertisingistoinformtheconsumerofavailableproductsorservices.Thesecond【C1】______isto
Whatarethespeakersdoing?
Whatdidthespeakertalkaboutlasttime?
Ramoswasbrilliant,handsome,wealthy,andoneofRiodeJaneiro’s(里约热内卢的)beautifulpeople.Atagethirty-six,hewasaprom
随机试题
在系统执行元件短时间不工作时,不频繁起停驱动泵的原动机,而使泵在很小的输出功率运转的回路是()回路。
()注水井发生溢流量,必须采用便携式水表或容积法计量。其溢流量应在该井日注水量或月度累计注水量中加上。
下列药物中除了利尿作用外还可以用于降压的为
预防艾滋病的主要措施应除外
紧急停车系统(ESD)具有一项非常重要的功能,即功能模块在出现故障或错误时,可以继续执行特定功能的能力。这种功能又被称作()。
某施工单位承接了一座中型桥梁施工任务。该桥由上部结构、下部结构、支座系统和附属设施四个基本部分组成。施工单位编制了施工组织设计,其中桥梁基础采用明挖基础施工,并在施工组织设计文件中列出了各项资源需求计划。施工中有如下事件发生:事件1:设计单位提供的图纸主
基金产品定价需要考虑的因素有()。
位于台湾岛的著名旅游景点有()。
有意义学习
What’stheprobablerelationshipbetweenthetwospeakers?WhatdoesthewomansuggestJimdo?
最新回复
(
0
)