Module3TheViolenceofNature飓风是如何形成的?该如何预防飓风?下面让我们一起了解一下吧!Manypeoplelikethefeelingofthegentlewindinspring.Manypeopleliketoseethefallingleavesdancinginthewindinautumn.Butsometimes,whenthewindbecomesastorm,itcanbeverydestructive(毁灭性的).Everyyear,majorstormscausemanyproblemsaroundtheworld.Thereisnothingpeoplecandotostopthesepowerfulforcesofnature.Butnewtechniquesarehelpingscientiststopredict(预测)how,when,andwherebigstormswillhappen.Themoreexactscientists’warningsare,thebetterpeoplecanprepareforthestorms.Predictionsareimproving.“We’vegottenbetterovertheyears,especiallythelastfewyears,”saysPhilKlotzbach,ascientistatanAmericanuniversity.Howisastormformed?Evenifscientistsknowwhereastormwillhappen,windscansuddenlychange,carryingthestormtoanewdirection.“Forahurricanetohappen,conditionshavetobejustright,”Klotzbachsays.First,theoceanwaterneedstobewarmenoughsothatitevaporates(蒸发)andrisesintotheair.Asitrises,thevaporcoolsandturnsbackintoliquid.Thisprocessgivesoffheat.Thisproducesenergylikeanenginethatcauseswindstoincrease.Itdrivestheformationofahurricane.Ifwindspeedreaches40milesperhour,thesystemiscalled“tropicalstorm”,anditgetsaname.At75milesperhour,itbecomesahurricane.ThehurricaneseasonlastsfromJunetoNovember.NinetypercentofallhurricaneshitinAugust,September,andOctober.SectionⅠIntroduction&ReadingandVocabulary—Comprehending重点单词写作词汇1.disastern.灾难2.floodn.洪水3.causevt.引起;导致4.furnituren.家具5.buryvt.埋葬6.occurvi.发生拓展词汇7.experiencevt.经历→experiencedadj.有经验的8.violentadj.猛烈的;激烈的;强烈的→violencen.暴力;暴行→violentlyadv.粗暴地;强烈地9.strikevt.&n.(雷电、暴风雨等)袭击→struck(过去式)→struck/stricken(过去分词)阅读词汇10.hurricanen.飓风11.lightningn.闪电12.thunderstormn.雷暴13.tornadon.龙卷风14.columnn.柱状物;柱状体15.currentn.海流;潮流16.latituden.纬度17.feathern.羽毛18.furn.(动物的)毛皮19.tropicaladj.热带的20.equatorn.赤道21.rotatingadj.旋转的;循环的重点短语1.pick__up卷起;掀起2.take__off去掉3.on__average平均起来4.of__all__time有史以来5.be__experienced__at/in__sth.做某事有经验6.end__up结果为……,以……结束重点句型1.leave+宾语+宾补让某人/某物继续处于某种状态:Theycandestroyhouses,but__leave__the__furniture__inside__exactly__where__it__was(却将里面的家具留在原处).2.现在分词短语作结果状语:Onaverage,thereare800tornadoesintheUSeachyear,causing__about__80__deaths__and__1,500__injuries(造成大约80人死亡,1500人受伤).3.bythetime+时间状语从句:By__the__time__it__ended(到这次飓风结束时),morethan700peoplehadbeenkilledand2,700hadbeeninjured.Readthetextquicklyandmatchthesentences.1.Atornadois()2.Tornadoescandestroyhouses()3.Hurricanesarestrongtropicalstorms()4.CharlesCoghlanwasanIrishactor()5.ThereareonaveragesixAtlantichurricaneseachyear()A.andtheyusuallyoccurinthesouthernAtlanticOcean.B.andtheyusuallyaffecttheeastcoastoftheUSfromTexastoMaine.C.andsomethingunexpectedhappenedtohiscoffinafterhedied.D.arotatingcolumnofairfromathunderstormtotheground.E.butleavethefurnitureinsideexactlywhereitwas.答案:1-5.DEACBReadthetextcarefullyandchoosethebestansweraccordingtothetext.1.WhichofthefollowingdescriptionsabouttornadoisNOTcorrect?A.Itisakindofrotatingcolumnofair.B.Itisusuallycausedbyathunderstorm.C.Itcanreachaspeeduptomorethan400kilometresperhour.D.Itcancausemuchdamagetopeople,includingdeath...