英语外研版必修3module4《sandstormsinasia》introduction,readingandvocabulary课件

《英语外研版必修3module4《sandstormsinasia》introduction,readingandvocabulary课件》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、Period1Module4SandstormsinAsiaIntroductionReading&VocabularyIntroduction-1.Vocabulary(5m)UsethewordsinActivity1,Page31tofilltheblank.Thisisa__________.Ithas______fortenhoursandwasvery____________.Thewindis________thesandhigharoundthehouse.Peopleare____

2、____inthesandstorm.Sometimesthesandcan_____thewholebuilding.sandstormlastedfrighteningblowingfrightenedburyIntroduction-2.Answering(5m)AnswerthequestionswiththehelpfromActivity2,Page31.1.Wheredosandstormsbegin?2.Whatcausesdeserts?3.Howdoesthesandstorma

3、ffectdifferentplaces?4.Whatdifferencesbetweensandstormsindifferentareas?Sandstormsbeginindesertareas.Desertsarecreatedbyclimatechanges.Anditisalsobecausepeoplecutdowntreesanddigupgrass.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.Theinland

4、regionhasmoresandstormsthantheonenearthesea.Reading&Vocabulary-1.Pre-reading(5m)Lookatthephoto.Answerthequestions.Answers:Thereisasandstormblowing.They’vewearinghoods,masksandglassestoprotectthemselves.Itmovesveryslowly.Becauseitisnotcleartoseeeverythi

5、ngontheroadandpeoplemusttakegreatcare.4.Stayathome.Reading&Vocabulary-2.Intensive-reading(8m)readthepassage,andgetthemainideasofeachpart.SandstormshavebeenamajordisasterformanyAsiacountriesforalongtime.Thewindsinsandstormcansometimesbestrongenoughtomov

6、eanddunes;WhenRenJiabaowasinInnerMongoliaheexperienceaterriblesandstormindesert.SandstorminChinaappeartohaveincreasedinresentyearsasaresultof“desertification”Cuttingdowntreesanddiggingupgrasscancausetheclimatetochangemakethelandbecomedesert.Trafficmove

7、dveryslowlyasthethickdustmakesitdifficulttosee.Whatthegovernmentdotopreventthedesertcomingnear.Reading&Vocabulary-3.Exercise(5m)FinishtheexerciseatActivity2,Page33.Answers:________________________________________________________cycle(v)expertprocesscit

8、izendustsurviveforecastsituationReading&Vocabulary–4.Exercise(5m)FinishtheexerciseatActivity3,Page33.Answers:____________________BBAAReading&Vocabulary–5.Exercise(6m)FinishthetheexerciseatActivity4,Page13.Answers:preventyou(from)seeingt