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
21
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.
【37】
选项
A、watch
B、examine
C、investigate
D、inspect
答案
C
解析
watch 纯粹是一个干扰项,表示“观看”。examine,investigate 及 inspect 都表示“检查”,其区别在于 examine 及 inspect 都强调“近距离检查”,在此处与文意不符。
转载请注明原文地址:https://kaotiyun.com/show/7gJd777K
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
A、Personswhohavesalariesaccordingtolong-termcontracts.B、Personswhoownbusinesses.C、Personswithold-agepensions.D、P
A、Hangingwasauselesswarning.B、Itwastoocruelandviolent.C、Toomanypeoplewatchedthepractice.D、Otherpickpocketswer
Withunfamiliarhumanbeings,whenweacknowledgetheirhumanness,wemustavoidstaringatthem,andyetwemustalsoavoidign
Themostobviouspurposeofadvertisingistoinformtheconsumerofavailableproductsorservices.Thesecond【C1】______isto
Themostobviouspurposeofadvertisingistoinformtheconsumerofavailableproductsorservices.Thesecond【C1】______isto
Whoisthespeaker?
Accordingtothespeaker,whatareconveniencegoods?
Whatdoesthespeakermainlydiscuss?
Whatdoesthespeakermainlydiscuss?
Whatdidthespeakertalkaboutlasttime?
随机试题
[*]
邮递员骑自行车从邮局到渔村送邮件,平常需要1小时,某天在距离渔村2千米处,自行车出现故障,邮递员只好推车步行至渔村,步行速度只有骑车的1/4,结果比平时多用22.5分钟。问:邮局到渔村的距离是多少千米?
女性生殖道结核的常见传播途径是
《中华人民共和国水法》规定:国家建立饮用水水源保护区制度。省、自治区、直辖市人民政府应当划定饮用水水源保护区,并采取措施,防止(),保证城乡居民饮用水安全。
环境影响评价的特点包括:法律强制性、()。
A市位于我国东南部沿海丘陵地区。北部为山区,中部为山前平原,南部为滨海平原。在周边城镇群中定位为滨海旅游城市。区域概况:该市周边分布有甲、乙、丙三个城市,其中甲市位于A市西侧,距A市约200km,为我国东南部沿海重要的港口城市,并已建成国际机场一座;乙市
张某2011年3月25日被吊销了导游证,根据《中华人民共和国旅游法》第一百零三条规定,以下说法正确的是()。
WilliamAppleton,authorofarecentbookentitledFathersandDaughters,believesthatitisawoman’srelationshipwithherfa
(2013上项管)标前会议也称为投标预备会,是投标人按投标须知规定的时间和地点召开的会议。以下关于标前会议有关文档的说法中,错误的是______。
Contrasttoresearchers’expectations,dysfunctionalfamilyrelationshipsandpoor【M1】______communicationstylesappeartoh
最新回复
(
0
)