高中英语-Sandstorms in Asia教学课件设计

Book3Module4SandstormsinAsiaTeachingaims1.Graspsomenewwordsandexpressions.2.HelptheSsknowhowtoexpresstheexperienceintheirlife.3.HelpthestudentstounderstandsomekeysentencesandwordsDifficultpoints：SomeimportantsentencesandphrasesCanyounamesomenaturaldisasters?earthquakehurricanetornadoflooddroughttsunamisandstormLeadinTheskyisyellowanditisdifficultforustoseethingsclearlyDiscussion1.Whathappenedinthesepictures?2.Howaboutthesky?3.Whydotheywearmasks?

.Asandstormishappening.WeseetheskyisorangeTheairisverydirtyandbrown-yellow,whichcanmakepeopleillsothatpeoplewearmaskstoprotectthemselves.BCAInnerMongolia

GansuXinjiangABCDNorthAmericaCentralAfricaAustraliaCentralAsiaSandstormsinAsia1.sandstormn.2.frighteningadj.3.massadj.4.campainn.5.desertificationn.6.dustn.7.forecastvt.8.maskn.9.citizenn.沙尘暴吓人的；可怕的大量的，大规模的战役，运动土地沙漠化沙尘，灰尘预告，预报面罩公民，市民SomekeywordsStep2Choosethewordaccordingtothedefinitioncitizencycle(v)dustexpertforecastprocesssurvive

1.torideabicyclecycle2.someonewhoknowsalotaboutaparticularsubject3.thingsthathappenoneafteranother,andhavearesultexpertprocess4.someonewholivesinaparticulartownorcountry5.verysmallbitsofdirtorearth,onthegroundorintheair6.tocontinuetoliveafteradifficultordangeroussituationorevent7.tosaywhatwillprobablyhappen

citizendustsurviveforecast—Skimming(略读)

方法指导1.浏览标题2.读首段，抓中心。3.浏览其他段首末句。4.最后读结尾段。Step3Fast-readingReadfastandtrytofindthemainideasofeachparagraphsMatchtheparagraphswiththeirmainideas

c.amajordisasterinAsiaa.thedescription

ofsandstormsb.thecausesofsandstorms

e.thegovernment’smeasuresf.theforecastandsuggestions

d.theeffectsofsandstormspara.1

para.2para.3para.4para.5para.6Step4ReadthetextagainandDecideifthefollowingsentencesareTrueorFalse

.1.Agovernmentcampaignhasbeenstartedto

helpsolvethesandstormproblem.2.Thewindsinasandstormcansometimes

preventyoufromseeingthesun.3.NorthwestChinaisthesandstormcentrein

CentralAsia.4.TheChineseCentralWeatherStationcan

onlyforecastasandstormsomemonths

beforeitarrives.5.Itisfrighteningtobecyclinginasandstorm.6.Thegovernmentisplantingtreestotheeast

ofBeijingtopreventthedesertcoming

nearer.FTFFFmasspartofweekswestTLookatthephotoandanswerthequestions

byreadingthetext1.Whatisasandstorm?2.Whatisthecyclistwearingandwhy?3.Whathappenstotrafficinsandstorms?4.Whatdoexpertssuggestpeopletodoinsandstorms?Step5Fast-reading—Scanning(查读)

方法指导1先看题，明确查询信息的特点2快速阅读，找到关键词3停下细读，理清答案1.Whatisasandstorm?2.Whatisthecyclistwearingandwhy?Itisastrong,drywindthatcarryssandSheiswearingamasktoprotectherself3.Whathappenstotrafficinsandstorms?4.WhatdoexpertsadvisepeopletodoinsandstormsItmovesveryslowlybecausethethickdustmakesitdifficulttosee.

Stayathome.课文缩写填空Sandstormshavebeenamajor1________formanyAsiancountriesforcentruries.Scientistshavetriedmanywaystosolvethis___________Sandstormsarestrong,_______windsthatcarrysand.Theyareoftenso_______thatyoucann’tseethesun,andthewindissometimes_______enoughtomovethesanddunes.Thefourmainplacesintheworld＿＿＿＿therearesandstormsareCentralAsia,North

America,CentralAfricaandwheredisasterproblemdrythickstrongwhereAustralia.Ren

jianbo__________aterriblesandstormheexperencedasachildinthedesert.”Tohavebeencaughtinasandstormwasaterrible____________”hesaid”Therewasnothingtobedone.Itwasthemostfrighteningandthemostdangerous________Ihavebeenin.Youjusthadtohopeyou’d_______.IthoughtIwasgoingtodisppearunderthesand”describedexperiencesituationsurvive

1)Thewindsinasandstormcansometimes_________________________2)WhenRen

JianbowaslivinginInnerMongolia_____________________________3)

SandstormsinChinaappeartohaveincreasedbecauseof_____________4)Cuttingdowntreesanddiggingupgrasscancause____________________________5)

ThegovernmentisplantingtreestothewestofBeijingto___________________________

Completethesentencespreventyoufromseeingthesunheexperiencedaterriblesandstormdesertification.desertsandsandstormstoincreasepreventthedesertcomingnearerLanguagepoints1.Tohavebeencaughtinasandstormwasaterribleexperience.

①不定式的完成式作主语

e.g.:Tohavebeenbittenbyadogwasnotadelightfulexperience.

②be/getcaughtinsth.:被困在…中/遭遇上e.g.:wewerecaughtinatrafficjam.昨天他们遇上了大雨Yesterdaythey__________inaheavyrain.Werecaught2.SandstormsinChinaappeartohaveincreased…appear(tobe)+n.\adj.appear

todoItappears(tosb)thatHeappears(tobe)veryold.2.他似乎生病了It______thatheisill.

1.他看上去很老appears

Doletyourmotherknowallthetruth.Sheappears___everything.Atotell B.tobetoldC.tobetellingD.tohavebeentoldD3.Citizenswakeuptoanorangesky…

wakeupto+n\v-ing:意识到，发觉

wakeup：醒来

wakesb.up把某人叫醒vt.e.g.直到参加了工作他才意识到学习的重要性。(not-------until)

Hedidn’t______________totheimportanceofstudyuntilhejoinedinthework.

Wakeup

4.Becausethethickdustmakesitdifficulttosee.

feel/find/make/think/believe/considerit+adj./n.+todosth.(it做形式宾语todo不定式才是真正的宾语）

e.g.他的解释使得我们对课文的理解别得容易起来。

Hisexplanationmade______easyforus_______________thetext.ittounderstand5.Topreventitcomingnearer,..

为阻止沙漠的逼近….prevent…fromdoing…阻止或防止…干…大雨使他们不能按时到达那里。Theheavyrain___________them______gettingthereontime.prevent…(from)doing=stop……(from)doing/keep…fromdoing

疾病使他无法上学。Hisillnesskepthim_________goingtoschool.preventedfromfrom◎Talkaboutsandstormsinpairs,Youcanintroducethepresentsituationofsandstorms,andaskthefollowingquestions:Whatisasandstorm?WhatarethecausesofsandstormsWhatshouldwedoifsandstormsoccurHowcanwepreventsandstorms?PairworkDialogueIt‘stimetotakeactionsDoingexercises

Completethesesentencesusingwordsfromthetext.Thefirstletterisprovidedforyou1.Itisf_______________whena