高中英语 Module4(Sandstorms in Asia)Introduction,Reading and Vocabulary课件4 外研版必修3 课件VIP免费

Period1Module4SandstormsinAsiaIntroductionReading&VocabularyIntroduction-1.Vocabulary(5m)UsethewordsinActivity1,Page31tofilltheblank.Thisisa__________.Ithas______fortenhoursandwasvery____________.Thewindis________thesandhigharoundthehouse.Peopleare________inthesandstorm.Sometimesthesandcan_____thewholebuilding.sandstormlastedfrighteningblowingfrightenedburyIntroduction-2.Answering(5m)AnswerthequestionswiththehelpfromActivity2,Page31.1.Wheredosandstormsbegin?2.Whatcausesdeserts?3.Howdoesthesandstormaffectdifferentplaces?4.Whatdifferencesbetweensandstormsindifferentareas?Sandstormsbeginindesertareas.Desertsarecreatedbyclimatechanges.Anditisalsobecausepeoplecutdowntreesanddigupgrass.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.Theinlandregionhasmoresandstormsthantheonenearthesea.Reading&Vocabulary-1.Pre-reading(5m)Lookatthephoto.Answerthequestions.Answers:1.Thereisasandstormblowing.2.They’vewearinghoods,masksandglassestoprotectthemselves.3.Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare.4.Stayathome.Reading&Vocabulary-2.Intensive-reading(8m)readthepassage,andgetthemainideasofeachpart.1.SandstormshavebeenamajordisasterformanyAsiacountriesforalongtime.2.Thewindsinsandstormcansometimesbestrongenoughtomoveanddunes;WhenRenJiabaowasinInnerMongoliaheexperienceaterriblesandstormindesert.3.SandstorminChinaappeartohaveincreasedinresentyearsasaresultof“desertification”3.Cuttingdowntreesanddiggingupgrasscancausetheclimatetochangemakethelandbecomedesert.4.Trafficmovedveryslowlyasthethickdustmakesitdifficulttosee.5.Whatthegovernmentdotopreventthedesertcomingnear.Reading&Vocabulary-3.Exercise(5m)FinishtheexerciseatActivity2,Page33.Answers:1._______2._______3._______4._______5._______6._______7._______8._______cycle(v)expertprocesscitizendustsurviveforecastsituationReading&Vocabulary–4.Exercise(5m)FinishtheexerciseatActivity3,Page33.Answers:1._____2._____3._____4._____BBAAReading&Vocabulary–5.Exercise(6m)FinishthetheexerciseatActivity4,Page13.Answers:1.preventyou(from)seeingthesun/strongenoughtomovesanddunes.2.heexperiencedaterriblesandstorm.3.becauseofdesertification.4.causedesertsandsand-stormstoincrease.5.thethickdustmakesitdifficulttosee/thedriverscannotseeclearly.6.preventthedesertcomingnearer.HomeworkCollectmoreinformationonInternetaboutoneoftheproblemsthatcausedbysandstorm.Period2Module4SandstormsinAsiaGrammar1CulturecornerGrammar1-1.Observation(3m)1.I’mgladtomeetyou.2.Sheinvitedmetoattendthemeeting.3.Theboyisoldenoughtogotoschool.to+动词原形表示主动Grammar1-2.Observation(3m)1.Therewasnothingtobedone.2.I’dliketobetoldwhat’sgoingon.3.Nothingisallowedtobetakenoutofthereadingroom.tobe+动词的过去分词表示被动。不定式一般式所表示的动作通常与谓语所表示的动作或状态同时发生，或在它之后发生。Grammar1-3.Observation(3m)1.Tobecyclinginasandstormisfrightening.2.Theypretendedtobeworkinghardwhentheirbosspassedthem.tobe+动词ing；不定式进行式表示动作正在进行，与谓语动词表示的动作同时发生。Grammar1-4.Observation(3m)1.I’mtheonlypersoninmyfamilytohavebeeninasandstorm.2.Heisnotlikelytohavegotmyletter.tohave+动词的过去分词Grammar1-5.Observation(3m)1.Tohavebeencaughtinasandstormisaterribleexperience.2.Theroomwassaidtohavebeencleaned.to+havebeen+过去分词；不定式完成式所表示的动作在谓语动词所表示的动作之前发生。Grammar1-6.Exercise(5m)finishtheexe...