高中英语Module4SandstormsinAsiaPeriod1IntroductionReadingandVocabulary课件x 23页

Module4SandstormsinAsiaPeriod1Introduction&ReadingandVocabulary文本研读课\n\nⅠ.根据汉语提示及课文语境写出正确的单词1.The______(内地的;内陆的)regionhasmore__________(沙尘暴)thantheonenearthesea.2.ScientistshavetriedmanywaystosolvethisproblemandinChina,a_____(大量的;大规模的)_________(战役;活动)hasbeenstartedtohelpsolveit.inlandsandstormsmasscampaign\n3.SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“_____________(土地的沙漠化)”.4.Thisisa_______(进程;过程)thathappenswhenlandbecomesdesert.5.Tobe______(骑自行车)inssandstormis__________(吓人的;可怕的).desertificationprocesscyclingfrightening\nⅡ.匹配词义1.cutdownA.建议某人做某事2.asaresultofB.在一个特定的时间3.digupC.一个接一个地4.wakeuptoD.阻止……做某事5.inthissituationE.突然遭遇(风暴等)6.becaughtinF.在这种情况下\n7.prevent...(from)doingsth.G.清楚地意识到8.oneafteranotherH.挖掘9.ataparticulartimeI.由于10.advisesb.todosth.J.砍倒11.sweepawayK.清除答案:1～5.JIHGF6～11.EDCBAK\nⅢ.阅读导引1.查阅有关沙尘暴的资料,了解故事发生的背景。2.找出课文中描述沙尘暴的词汇和句型。\nStep1LeadinginLookatthepicturesandfillintheblanks.\n1._____________isthe2._______bywhichapieceoflandbecomesdry,empty,andunsuitableforgrowingtreesorcropson.Itisthemaincauseofa3.__________,akindofbad4._______whichusuallyhappensin5.______andautumn.Whenasandstormcomes,the6._____blowsstronglywith7.____andsand.Sometimestreesareeven8.___down,and9.______movesveryslowly.Itisvery10.__________.Desertificationprocesssandstormweatherspringwinddustcuttrafficfrightening\nStep2FastReadingScanthepassageandmatcheachparagraphwithitsmainidea.A.SandstormssometimesaffectBeijing.B.Sandstormsdoalotofdamagetopeople.C.Thegovernmentplantstreestopreventsandstorms.\nD.SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.E.SandstormsinAsia.F.SandstormsinChinaappeartohaveincreased.Para.1Para.2Para.3Para.4Para.5Para.6DEFABC\nStep3CarefulReadingⅠ.Readthetextcarefullyandfinishthefollowingtasks.1.Whensandstormshappen,whatwillyouwearifyougoout?A.Ahat.B.Acoat.C.Amask.D.Atie.\n2.HowmanykilometresisthedesertawaytothewestofBeijing?A.350.B.250.C.150.D.200.\n3.Accordingtothetext,wecanlearnthatsandstorms.A.causepeopletobuymoremasksB.aredifficulttodealwithC.arenotdangerousbutfrighteningD.willdisappearwithinfiveyears\nⅡ.Sentenceexplanation.Thisisaprocessthathappenswhenlandbecomesdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigupgrass.\n分析:thathappens...是定语从句,修饰先行词_______。定语从句中有两个状语从句,一个是_____引导的时间状语从句,另一个是_______引导的原因状语从句。processwhenbecause\n句意:这(沙尘暴)就是______________________________________而使陆地变成沙漠时的一个过程。因为气候变化和人们砍伐树木、挖掘草地\nStep4RetellingTrytoretellthemainideaofthepassage.Sandstormshavebeenamajor1._______formanyAsiancountriesforcenturies.Scientistshavetriedmanywaysto2._____thisproblem.disastersolve\nSandstormsarestrong,drywindsthatcarrysand.Theyareoften3.__thickthatyoucannotseethesun,andthewindissometimesstrongenoughtomovesand4.______.Thefourmainplacesintheworld5.______therearesandstormsareCentralAsia,NorthAmerica,CentralAfricaandAustralia.RenJianbodescribedaterriblesandstormheexperiencedasachildinthedesert,soduneswhere\n“To6._______________asandstormwasaterrible7.__________.”hesaid.“Itwasthemost8.__________andthemostdangerous9.________I’veeverbeenin.Youjusthadtohopeyou’d10._______.IthoughtIwasgoingtodisappearunderthesand.”havebeencaughtinfrighteningsituationsurviveexperience\nStep5DiscussionWhatshouldpeopledotoprotectthemselveswhenasandstormcomes?_________________________________________________________________________________________________________________Peopleshouldwearglassesandmaskstoprotecttheireyesandfaces.Ifpossible,theyshouldstayathomewhenasandstormcomes.\n\n