科目:高一英语(外研版)第三册学校:临县二中教师:李军梅tornadohurricaneNaturalDisastersearthquakesandstormlightningvolcaniceruption2011年世界环境日主题Module4SandstormsinAsiaIntroductionReading&VocabularyHowbeautifulitis!Whataretheydoing?Whathappenedoneday?BCDANorthAmericaCentralAfricaAustraliaCentralAsia这张照片是3月17日由NASA的OrbView-2卫星拍摄的真彩色照片。在照片上,沙尘已经越过黄海,到达了日本以东的太平洋上空。事实上,这次10年以来中国北方最大的沙尘暴不仅仅影响了日本,据美国国家海洋和大气局(NOAA)报告,这次的沙尘暴已经跨越太平洋,于27日到达了美国西海岸!BCAGansuXinjiangInnerMongoliahasmanysandstormseveryyear.Itisfarawayfromthesea,soitisaninlandregion.Lookatthepicturebelow.Completethesentencesusingthecorrectformofthesewords.blowburyfrighteninglast(v)sandstormTherehadbeena.Itfortenhoursandwasvery.Thewindthesandhigharoundthehouses,andsomecarswere______almostcompletelybythesand.sandstormhadlastedfrighteningwasblowingburied(\/)(×)(\/)(\/)(\/)(\/)1.Sandstormsbeginindesertareas.2.Desertsarecreatedbyclimatechanges.3.Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.4.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerican.5.Sandstormscan’tbeprevented.6.Theinlandregionhasmoresandstormsthantheonenearthesea.DiscussionWorkingroupsof4-6.Discussthesequestions.Theteamleadersfromeachgroupreporttheiranswerstotheclass.1.Whatshouldyoudoinasandstormtoprotectyourself?2.Whichdoyouthinkismoredangerous,anearthquakeorasandstorm?Saywhy.3.WhereinChinadosandstormsbegin?4.Ifyouareinadesert,whatisthefirstsignofasandstorm?5.Haveyoueverbeeninasandstorm?Ifyes,describeittoyourpartner.ReadingandvocabularyLookupthesewordsinadictionary.Thenmatchthewordswiththeirdefinition.citizencycle(v)dustexpertforecastprocesssituationsurvive1.torideabicyclecycle2.someonewhoknowsalotaboutaparticularsubject3.thingsthathappenoneafteranother,andhavearesultexpertprocess4.someonewholivesinaparticulartownorcountry.5.verysmallbitsofdirtorearth,onthegroundorintheair.6.tocontinuetoliveafteradifficultordangeroussituationorevent.7.tosaywhatwillprobablyhappen.8.everythingthatishappeningataparticulartime.citizendustsurviveforcastsituationPre-readingAnswers:1.Thereisasandstormblowing.2.They’vewearinghoods,masksandglassestoprotectthemselves.3.Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare.4.Stayathome.Lookatthephoto.Answerthequestions.Fastreading:Para.1a.thedescriptionofsandstormsPara.2b.thecausesofsandstormsPara.3c.amajordisasterinAsiaPara.4d.theeffectsofsandstormsPara.5e.thegovernment’smeasuresPara.6f.theforecastandsuggestionsFurtherreading:1.Sandstormsarestrongwindscarrying____throughtheair.A.dirtandmudB.rainandheatC.sandanddustD.cloudandsnow2.Whatdotheexpertsadvisepeopletodowhenasandstormarrivesinthecity?A.Don’tgooutB.Don’twearmasks.C.Don’tgotoworkasusual.D.Don’tridebicycles3.Thefactorsthatcauselandtobedesertare____.A.cuttingdowntreesB.diggingupgrassC.climatechangesD.alloftheabove4.Fromthelastparagraph,weknow____.A.thegovernmentistakingmeasurestopreventsandstorms.B.thedistancebetweenthedesertandthecenterofBeijingisonly250kilometers.C.morethan30milliontreeshavebeenplantedinBeijing.D.thegovernmentwon’tplanttreesanymoreinthenextfiveyearsPostreading1.Thewindsinasandstormcansometimes__________________________________________________________2.WhenRenJianbowaslivinginInnerMongolia________________________________________3.SandstormsinChinaappeartohaveincreased___________________________4.Cuttingdowntreesandiggingupgrasscan__________________________________________5.Trafficmovedveryslowlybecause_________________________________________________________6.ThegovernmentisplantingtreestothewestofBeijingto________________________________heexperiencedaterriblesandstorm.asaresultofdesertification.causedesertsandsand-stormstoincrease.thethickdustmakesitdifficulttosee/thedriverscannotseeclearly.preventthedesertcomingnearer.Afterreadingthepassage,completethesesentences.preventyou(from)seeingthesun/strongenoughtomovesanddunes.1.Whatdoyouthinkofasandstorm?2.Whatisasandstorm?3.Doyouthinkhowdoesastrongsandstormaffectus?4.Whatarethecausesofsandstorms?5.Whatshouldwedoifsandstormsoccur?6.Howcanwedotopreventsandstorms?Discussion:Supposeyouareapressreporter,youarereportingsomepeopleinthestreet.Youmayaskthefollowingquestions:Designaposterthatencouragespeopletoprotecttheenvironment.Homework: