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ID:57448119
大小:679.50 KB
页数:55页
时间:2020-08-19
《高一英语sandstormsinasia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________inthesandst
2、orm.Sometimesthesandcan_____thewholebuilding.sandstormlastedfrighteningblowingfrightenedbury2Introduction-2.Answering(5m)AnswerthequestionswiththehelpfromActivity2,Page31.1.Wheredosandstormsbegin?2.Whatcausesdeserts?3.Howdoesthesandstormaffectdifferentplaces?4.Whatdif
3、ferencesbetweensandstormsindifferentareas?Sandstormsbeginindesertareas.Desertsarecreatedbyclimatechanges.Anditisalsobecausepeoplecutdowntreesanddigupgrass.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.Theinlandregionhasmoresandstormsthantheonenearthesea.3R
4、eading&Vocabulary-1.Pre-reading(5m)Lookatthephoto.Answerthequestions.Answers:Thereisasandstormblowing.They’vewearinghoods,masksandglassestoprotectthemselves.Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare.4.Stayathome.4Reading&V
5、ocabulary-2.Intensive-reading(8m)readthepassage,andgetthemainideasofeachpart.SandstormshavebeenamajordisasterformanyAsiacountriesforalongtime.Thewindsinsandstormcansometimesbestrongenoughtomoveanddunes;WhenRenJiabaowasinInnerMongoliaheexperienceaterriblesandstormindes
6、ert.SandstorminChinaappeartohaveincreasedinresentyearsasaresultof“desertification”5Cuttingdowntreesanddiggingupgrasscancausetheclimatetochangemakethelandbecomedesert.Trafficmovedveryslowlyasthethickdustmakesitdifficulttosee.Whatthegovernmentdotopreventthedesertcomingn
7、ear.6Reading&Vocabulary-3.Exercise(5m)FinishtheexerciseatActivity2,Page33.Answers:________________________________________________________cycle(v)expertprocesscitizendustsurviveforecastsituation7Reading&Vocabulary–4.Exercise(5m)FinishtheexerciseatActivity3,Page33.Answ
8、ers:____________________BBAA8Reading&Vocabulary–5.Exercise(6m)FinishthetheexerciseatActivity4,Page13.Answers:preventyou(from
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