高一英语Sandstorms in Asia课件.ppt

《高一英语Sandstorms in Asia课件.ppt》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&Vocabulary1Introduction-1.Vocabulary(5m)UsethewordsinActivity1,Page31tofilltheblank.Thisisa__________.Ithas______fortenhoursandwasvery____________.Thewindis________thesandhigharoundthehouse.Peopleare________inthesandstorm.S

2、ometimesthesandcan_____thewholebuilding.sandstormlastedfrighteningblowingfrightenedbury2Introduction-2.Answering(5m)AnswerthequestionswiththehelpfromActivity2,Page31.1.Wheredosandstormsbegin?2.Whatcausesdeserts?3.Howdoesthesandstormaffectdifferentplaces?4.Whatdifferencesbe

3、tweensandstormsindifferentareas?Sandstormsbeginindesertareas.Desertsarecreatedbyclimatechanges.Anditisalsobecausepeoplecutdowntreesanddigupgrass.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.Theinlandregionhasmoresandstormsthantheonenearthesea.3Reading&Vocabula

4、ry-1.Pre-reading(5m)Lookatthephoto.Answerthequestions.Answers:Thereisasandstormblowing.They’vewearinghoods,masksandglassestoprotectthemselves.Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare.4.Stayathome.4Reading&Vocabulary-2.Intensiv

5、e-reading(8m)readthepassage,andgetthemainideasofeachpart.SandstormshavebeenamajordisasterformanyAsiacountriesforalongtime.Thewindsinsandstormcansometimesbestrongenoughtomoveanddunes;WhenRenJiabaowasinInnerMongoliaheexperienceaterriblesandstormindesert.SandstorminChinaappea

6、rtohaveincreasedinresentyearsasaresultof“desertification”5Cuttingdowntreesanddiggingupgrasscancausetheclimatetochangemakethelandbecomedesert.Trafficmovedveryslowlyasthethickdustmakesitdifficulttosee.Whatthegovernmentdotopreventthedesertcomingnear.6Reading&Vocabulary-3.Exer

7、cise(5m)FinishtheexerciseatActivity2,Page33.Answers:________________________________________________________cycle(v)expertprocesscitizendustsurviveforecastsituation7Reading&Vocabulary–4.Exercise(5m)FinishtheexerciseatActivity3,Page33.Answers:____________________BBAA8Readin

8、g&Vocabulary–5.Exercise(6m)FinishthetheexerciseatActivity4,Page13.Answers:preventyou(from