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　　Spacetravelisnothingnew.Thefirstspacecraftwithahumanwassentupintospacein1961.Sincethenpeoplehavenotonlytraveledtospacebutalsomanyofthemhavelivedthereinspacestationsforsometime.TheSovietUnion(前苏联)sentth

　　Spacetravelisnothingnew.Thefirstspacecraftwithahumanwassentupintospacein1961.Sincethenpeoplehavenotonlytraveledtospacebutalsomanyofthemhavelivedthereinspacestationsforsometime.

　　TheSovietUnion(前苏联)sentthefirstspacestationintospacein1971.ThisspacestationwascalledSalyut1.Salyut1wasdesignedasaplacewherepeoplecouldlivewhiletheyobservedspaceanddidexperiments.Thefirstgroupofastronautslivedtherefor23days.TheSovietUnionwentontomakesevenmoreSalyutspacestations.AtaboutthesametimetheUnitedStatesbuiltitsownspacestationcalledSkylab.

　　Astronautsvisitedandoftenlivedinthesespacestationsforashorttime.Howeveritwasn’tuntilthelate1980swhenTheSovietUnionsenttheMirspacestationthatpeoplebegantoliveinspaceforalongertime.Mirstayedinspacefrom1989until2001whenitwasdecidedthatthespacestationwastoooldandnolongersafetolivein.

　　Livinginspacestationsseemstobefunbutastronautsfacemanyproblems.Oneofthemisfood.AllthemealsonspacestationareputtogetheronEarthandsenttherebyspaceshuttle.Becausethefoodhastolastalongtime(sometimesuptothreemonths)alotofithastobestoredincans.Thespacestationdoesnothaveafridgebutithasacoolroomtokeepfruitandvegetablesfresh.Astronautsalsoeatmanyotherfoodssuchasdriedmeatthatdonotneedspecialcare.

　　Withoutthehelpofgravitysittingdowntoeatcanbetough.Astronautssometimeshavetofixthemselvestothewallwhileeating.Theyalsohavetobeverycarefultothatfooddoesnotfloataway.

　　1.Whichofthefollowinghastheclosestmeaningtotheunderlinedword“observed”inParagraph2?

　　A．Discovered B．Checked C．Watched D．Fixed

　　2.Whatcanweinfer(推断)fromthepassage?

　　A．Astronautscanneverhaveachancetoeatfreshfoodwhentheyliveinspacestation.

　　B．TheSovietUnionsentatotalof9spacestationsintospaceinthe1970sand1980s.

　　C．AstronautscouldliveintheMirspacestationfornomorethanthreeweeks.

　　D．Spacetravelhasquitealonghistoryofmorethan60years.

　　3.Whatisthebesttitleofthispassage?

　　A．ExploringSpace B．SpaceTravel

1回答

2020-04-09 07:29

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郭洪凌

　　【答案】1.C2.B3.D【解析】试题分析：这篇短文主要描述了空间站的建设和科研人员在空间站的工作生活情况。1.联系上下文可知此处指的是观察太空的意思故选C观看.2.根据第二段TheSovietUnion(前苏联)sentthefirstspacestationintospacein1971.……TheSovietUnionwentontomakesevenmoreSalyutspacestations.描述可知选B。3.这篇短文主要描述了空间站的建设和科研人员在空间站的工作生活情况。故选D。考点：关于空间站的说明文阅读点评：本文浅显易懂，层次分明，学生很容易把握文章中心内容。答题中注意带着问题阅读短文，一般就能顺利找出答题依据。对于不能直接找到根据的问题注意联系上下文，根据短文中心总结出正确答案。

2020-04-09 07:32:34

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