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时间:2020-11-04
《高二英语-必修五-导学案-Unit-5--First-aid-单元自测.docx》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、单元自测1.完形填空阅读下面短文,掌握其大意,然后从21—30各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。词数:221完成时间:14分钟难度:***AccordingtotheWorldHealthOrganization,malaria(疟疾),adiseasespreadbymosquitoes,affectsmillionsofpeopleeveryyear.Everyoneknowshowannoyingthe21madebyamosquito,followedbyapai
2、nfulreactiontoitsbite,canbe.Itis22thatsolittleisknownaboutmosquitoes,giventhelevelofpainand23causedbytheseinsects.Weknowthatthemost24chemicalforprotectingpeopleagainstmosquitoesisdiethyltoluamide,commonlyshortenedtodeet.Thoughdeetworkswell,ithassomeseriou
3、s25:itcandamageclothesandsomepeopleareallergictoit.Scientistsknowthatmosquitoesfindsomepeoplemoreattractivethanothers,buttheydonotknowwhy.Theyalsoknowthatpeople26intheirreactionstomosquitobites.Onepersonhasapainfulswellingwhileanotherwhoisbittenbythesamem
4、osquito,mayhardlynotice.Scientistshavenotyetdiscoveredthereasonforthis,buttheyhave27experimentstoshowthatmosquitoesareattractedto,orputoffby,certainsmells.28,scientistswillbeabletodevelopasmellthatmosquitoescannot29inthefuture.Thiscouldbeplacedinanetto30m
5、osquitoesthatflyin.Forthetimebeinghowever,wehavetocontinuesprayingourselveswithunpleasantliquidsifwewanttoavoidgettingbitten.21.A.voiceB.noiseC.songD.cry22.A.astonishingB.commonC.impossibleD.boring23.A.diseasesB.guiltyC.sorrowD.panic24.A.expensiveB.effort
6、lessC.effectiveD.limited25.A.chemicalsB.illnessC.reactionsD.drawbacks26.A.putB.takeC.varyD.balance27.A.passedoutB.takenoutC.carriedoutD.putout28.A.ThankfullyB.HopefullyC.LuckilyD.Obviously29.A.resistB.findC.waitD.escape30.A.boxB.placeC.findD.trap[答案解析]21.
7、B名词辨析。noise和voice都可以指声音,但前者指的是人们不愿听到的“噪声”;voice则指说话和唱歌的“噪音”。由语境可知蚊子的声音应属于前者。22.A形容词辨析。前文提到“adiseasespreadbymosquitoes,affectsmillionsofpeopleeveryyear”。故选astonishing令人惊讶的。句意为:考虑到由这些昆虫引起的痛疼和疾病.我们对于蚊子的了解却少得令人吃惊。it作形式主语,真正的主语是后面that引导的从句。common普遍的;impossible
8、不可能的;boring令人烦恼的。23.A名词辨析。文章开篇就告诉我们蚊子传播疾病的严重性(affectsmillionsofpeopleeveryyear)。其他各项sorrow(悲痛)、panic(惊慌)都不符合语境。24.C形容词辨析。这里讲的是防止蚊子叮咬的药物,其效果很好(workswell),所以应是最有效的(effective)。expensive昂贵的;effortless不费力的;limited有限的。25.
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