人教版高中英语必修五复习试题及答案解析

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1、最新人教版高中英语必修五复习试题及答案解析UnitlGreatScientists一、阅读理解。阅读下列短文，从每题所给的四个选项（A、B、C和D）屮，选出最佳选项。Agunmankilledtwomembersofatelevisionnewscrewinthe5itedStatesearlierthisweek・TheirTVstationbroadcasttheshooting"live”inrealtime・TheshootingshockedmanyAmericansandpeoplearoundtheworld・OneUSteenagerwantstohelppreventsu

2、chattacks.KaiKloepferlivesinBoulder,Colorado.Hehasataientfortechnology.Hehasbeenteachinghimselfengineeringski11ssincehewasachiId.Hearingofsomanygunattacks,hedecidedtousehisskilIstohelppreventmassshoot!ngs.Theyoungman，sgoalwastomakeagunthatwouldnotworkinthehandsofakiHer.Butheknewitwouldbeimpossible

3、forhimtostopdangerouspeoplefrombuyingguns・Sohechangeddirection.Hedecidedtocreateagundcsignedtoproventaccidentalshootings.ThegunKaiKloepferdesignedonlyworkswhenuniockedbythefingerprintoftheowner,andnotbyanyoneelse.Thegunonlyrecognizesthetouchofitsowner.Ittooktheteenagersevenmonthsandover1,500hourst

4、ocreateaplasticmodelofhisasmartgun”・Heenteredhisfingerprinthandguninalocalsciencefairandwon.Hisawardincludedafinancialprize.Hereceived$50,000.Themoneyistosupportimprovementingunsafety.KaiKloepferisnow18yearsold・Hehasbeenusingthegrantmoneytoimprovethetechnology・Hesaystheweaponhedesigneddoesn'tchang

5、ethefunclionofafirearmatall.Itjustmakesitsafer.Heisnowworkingtoaddthefingerprintlocktechnologytoarealgun.Hesaysheexpectstoonedayseehisusmartgun”forsalenexttootherfirearms.Theyoungmanplanstospendthenextyearimprovinghisfingerprinthandgun.Thenhewillstartcollegeatoneoftheworld，stopuniversities—theMass

6、achusettsInstituteofTechnology.1.WhydoesKaiKloepfertrytoinventthegun?A.Toproventpeoplefrombuyingguns.B.Toprotectpeople'slives.C.Tolimitfunctionsofagun.[)•Toreducepowerofagun.2.TheguncreatedbyKaiKloepferiscontrol1edbytheowner，sfingerprinttoA.keepitconvenienttouseB・makeitsafetocarryaroundC.protectit

7、sownerfromharmD・avoidbeingusedbyothers3.HowistheprogressofKaiKloepfer'sguninvention?A.Ttisbeingshowninafair.B.Ttisunderfurtherresearch.C.Itwillsooncomeintothemarket.D.Itneedsdesigningonceagain.4.What'sKaiKloepfer