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ID:45299643
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页数:10页
时间:2019-11-11
《2019-2020年高二上学期第一次半月考英语试题 含答案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2019-2020年高二上学期第一次半月考英语试题含答案注意事项:1本试卷分第I卷(选择题)和第II卷(非选择题)两部分。2答题前,考生务必将自己的姓名、准考证号填写在本试卷相应的位置。3.全部答案在答题卡上完成,答在本试卷上无效。第I卷第一部分:阅读理解(共10小题;每小题2分,满分20分)第一节:阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。ASatellitesareanimportantpartofourordinarylives.Forexam
2、ple,theinformationforweatherforecastsissentbysatellite.SomesatelliteshavecameraswhichtakephotographsoftheEarthtoshowhowcloudsaremoving.Satellitesarealsousedtoconnectourinternationalphonecalls.puterconnectionsoftheWorldWideWebandInternetalsousesatellites
3、.ManyofourTVprogramsetoUSthroughsatellites.Airplanepilotsalsosometimesuseasatellitetohelpthemfindtheirexactlocation.Weusesatellitestosendtelevisionpicturesfromonepartoftheworldtoanother.Theyareusually35,880kilometersabovetheequator.Sometimeswecanseeasat
4、elliteintheskyanditseemstostayinthesameplace.Thisisbecauseitismovingaroundtheworldat11,000kilometersanhour—exactlythesamespeedthattheearthrotates.AsatellitemustorbittheEarthwithitsantennae(天线)facingtheearth.Sometimes,itmovesawayfromitsorbit,Sothereareli
5、ttlerocketsonitwhichareusedtoputthesatellitebackintherightposition.Thisusuallyhappensabouteveryfiveorsixdays.Spaceisnotempty!Everyweek,moreandmoresatellitesaresentintospacetoorbittheEarth.Asatelliteusuallyworksforabout10-12years.Satelliteswhicharebroken
6、aresometimesrepairedbyastronautsorsometimesbroughtbacktoEarthtoberepaired.Often,veryoldorbrokensatellitesareleftinspacetoorbittheEarthforaverylongtime.Thisisveryseriousbecausesomesatellitesusenuclearpowerandtheycancrashintoeachother.1.Whichofthefollowin
7、gisNOTdonebysatellitesaccordingtothepassage?A.Sendinginformationforweatherforecast.B.TakingphotographsoftheEarth.C.SendingTVpictures.D.Providingfoodforairplanepilots.2.What’sthespeedtheearthrotatesat?A.35,880kilometersperhour.B.335,880kilometersperhour.
8、C.11,000kilometersperhour.D.110,000kilometersperhour3.WhydoesthesatellitemovearoundtheworldatthesamespeedastheEarthrotates?A.Inordertotakephotographs.B.Inordertostayinacertainpositionintheorbit.C.Inordertomoveawayfromitsorbit.D.I
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