2019-2020年高二上学期第一次半月考英语试题 含答案

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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