全国职称英语等级考试试题（理工类）

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1、精品文档全国职称英语等级考试试题（理工类）第一部分阅读理解(75分)Passage1CATVisashortwayofsaying“communityantenna(天线)television.”But“cabletelevision”isthetermmostpeopleuse.CabletelevisionallowsviewerstoreceiveTVprogramsthattheycannotpickupwiththeirregularantennas.Televisionsignalsdonotfollowthecurve(曲线)oftheea

2、rth.Theytravelinstraightlinesinalldirections.SignalsfromaTVstationmovetowardthehorizon(水平线)andthengointospace.Ifyouliveonlyafewmilesfromastation,youmaynotgetanypictureatall.CATVbeganin1948.PeopleinplacesfarfromTVstationssharedthecostofputtinguphighantennas.Acommunityantennawasusu

3、allyplacedonahill,amountain,oronahightower.TheantennapickedupTVsignalsandfedthemintoasmalllocalstation.Fromthestation,thickwirescalledcablesranouttonearbyhomes.Eachpersonusingthecablepaidamonthlycharge.CATVworkedwell,andsoonnewuseswerefoundfor2016全新精品资料-全新公文范文-全程指导写作–独家原创16/16精品文

4、档it.Localstationscouldfeedprogramsintoemptychannelsthatwerenotinuse.Peoplealongthecablecouldhavelocalnews,weatherreports,andfarmandschoolnewsatnoextracharge.Today,cabletelevisionhasmovedintocities.Itbringsinextraprogramsthatcityviewerswithregularantennascannotsee.Itisalsousedinma

5、nyclassroomsthroughoutthecountry.1.Fromthefirstparagraphweknowthat________.○A.mostpeopleusecabletelevision○B.“communityantenna”isanothernamefor“regularantenna”○C.acommunityantennaisusedforcabletelevision○D.regularantennascannotpickupTVsignalsprograms2.Ofthefollowing,whichisNOTthe

6、wayTVsignalstravel?○A.Inacurve.○B.Inastraightline.○C.Inalldirection.○D.Towardthehorizon.2016全新精品资料-全新公文范文-全程指导写作–独家原创16/16精品文档3.CableTVisbecomingmoreandpopularbecause_____________.○A.itisfreeofcharge○B.itcanprovidemoreprograms○C.itprovidesallTVusersgoodpictures○D.TVsetswithregula

7、rantennascanalsohaveagoodreceptionthroughCATV4.Onthewhole,thispassageisabout________.○A.howtoputuphighantennas○B.awayofpickingupbetterTVprograms○C.howtousetheemptychannelsonyourTVset○D.thewaythatTVsignalsaresent5.Fromthepassagewecaninferthat__________.○A.TVhasbeguntobeusedforeduc

8、ationalpurposes○B.thereisnochargeforCATV