Module 4 Sandstorms in Asia 教学设计3优质公开课外研版必修3精品Word文件下载.docx

Module 4 Sandstorms in Asia 教学设计3优质公开课外研版必修3精品Word文件下载.docx

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Period3Grammar1Infinitive.ListeningandVocabulary

Period4Grammar2but+infinitive，EverydayEnglish

Period5Culturalcorner，Speaking2，Writing

TeachingProcedures

PeriodOne

Step1Warmingup

1.Talkaboutthetopicofthismoduleasanintroduction.Showorreadthefollowingpassagetostudents.

AboutSandstorm

Thetopicofthismoduleis“environmentalconservation”（环境保护）.

ThismodulemainlyintroducessomethingaboutthesandstormsinAsia，

especiallyinChina.Atthesametime，itbringsinsomewordsabout

sandstormsandenvironmentalconservation.

Whatisasandstorm？

Asandstorm，akindofdisastrous（灾难性的）weathersystem，isacombinationofsandandstrongwind.

Whatonearthcausessandstorms？

Inmyopinion，severesandstormsareusuallycausedbybothnaturalandcontrived（人为的）factors，thatis，climatic，geographical，socialandhumanfactors.Ofallthefactors，theoveruseofnaturalresources，suchascuttingdowntoomanytreesandopeninguptoomuchuntouchedland，leadstothefrequentoccurrenceofsandstorms.

Wheredoesasandstormusuallygo？

Asmentionedabove，disastrousasitis，asandstormdoesnotgoeverywhere，comingtoonlythoseplaceswithdryweatherandlittlevegetation（植物的总称，植被）.TakeChinaforexample，inthenorthwestofChina，wherethereislittleforest，sandstormsareworsenedwith（因为……而恶化）people’sactivitieslikediggingupgrassandmining（采矿）.Barelandeasilygivesawayitslandwhenstrongwindscome，interactionofsandandwindformingasandstorm.

Andwhatdamagewillsandstormsusuallycause？

Inaword，alotofdamage.Sandstormscankillpeopleandanimals，putdownbuildingsandcausepoorharvests.What’smore，theycanpollutetheatmosphereandblowawaytopsoil.

2.Discussion:

Asseniorstudents，whatshouldyoudotopreventsandstorms？

Herearesomevaluablesuggestions:

1）Controlairandwaterpollution；

2）Buildgreenfencesalongthedesert；

3）Forecastsandstorm’srealtimetopreventthedisaster；

4）Allcountriesshouldjoinhandstoproposeaplaninsandstormcontrolandprevention.

Whatcanyouaddtothesesuggestions？

Studentscandiscussandaddmoretotheabovesuggestions.

3.Completethesentencesusingthecorrectformofthesewords.Thenanswerthefollowingquestions.

blowburyfrighteninglastsandstorm

Therehasbeenasandstorm.Ithasbeenblowing/haslastedfortenhours

andwasveryfrightening.Thewindwasblowingthesandhigharound

thehouses，andsomecarswerealmostcompletelyburiedbythesand.

Q1.Whatisasandstorm？

Sandstormisakindofbadweather，whichisbecomingincreasingly

commoninNorthwesternChina，anditusuallyhappensinspring

andfall.Whenasandstormcomes，thewindblowsstronglywithdustandsand.

Q2.What’stheweatherlikewhenasandstormoccurs？

Thereisstrong，drywindandtheskyisyellow.

Q3.What’sthebadinfluenceofasandstorm？

carsslowdownandhavetoturnonheadlight（打开前灯）；

thevisibility（能见度）drops；

difficultforustobreathe；

dangeroustogooutordrive

Step2Furtherunderstanding

Workinpairs.Discussthefollowingstatementsanddecidewhetheritistrueorfalse.

1.Sandstormsbeginindesertareas.

2.Desertsarecreatedbyclimatechanges.

3.Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.

4.SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica.

5.Sandstormscan’tbeprevented.

6.Theinlandregionhasmoresandstormsthantheonenearthesea.

Suggestedanswers:

1，2，3，4，6—T5—F

Step3Discussions

Q1.What’sthecauseofsandstorm？

climatechanges；

treescutdown；

desertification；

seriousairandwaterpollution；

thegrowingpopulationoftheworldandsoon.

Q2.Whatshouldyoudoinasandstormtoprotectyourself？

Thisisanopenquestion.

Step4Speaking

Workinpairs.Supposetherehasbeenabadsandstorminyourcity.

A:

Youareareporter.Youinterviewamanwhohascycledtoworkinthesandstorm.Beforeyoudotheinterview，writedownthequestionsyouwanttoask.

B:

Youfeltfrightenedbutyouputonamaskandcycledtoworkinthesandstorm.Tellthereporterhowyoufeelaboutthesandstorm.Describehowthingslookedinthesandstorm.

Step5Homework

1.Memorizethenewwordsrelatedtosandstorms.

2.PreviewthepassageofSandstormsinAsia.

PeriodTwo

Step1Revisionandlead-in

Theteachercanleadstudentsintothetopicofthetextbytalkingabouttheweatherasfollows:

T:

What’stheweatherliketoday？

S:

It’ssunny（or:

rainy/windy...）

Istheweatherniceorbad？

Verynice.Ornotbad.Orterrible.

Yes，verynice.Buttheweatherisnotalwaysnice，sometimesthereisalotofbadoreventerribleweather.Wecancallthebadoreventerribleweather“naturaldisaster”.Doyouknow“disaster”？

S:

Yes，wedo.Itmeans“灾害”inChinese.

Good，canyouspeakoutthenamesofsomedisastrousweatherinthelastmodule？

Yes，suchasfloods，hurricanes，lightningandtornados.

Oh，it’swonderful！

Andinthismodule—Module4，we’llcontinuetolearnaboutanotherdisastrousweathernamedsandstorms.Let’sgo！

Step2Pre-reading

1.Wordmeaning:

Activity2（Matchthewordswiththedefinitions）.

Readoutthewordsintheboxandhavestudentsrepeatthemaftertheteacher.Thenaskstudentstomatchthedefinitionsindividually，afterthat，checktheanswerswiththewholeclass.

Keys:

1.cycle　2.expert　3.process　4.citizen　5.dust　6.survive　7.forecast　8.situation

2.Lookatthephotointhereadingtextfirstandanswerthefollowingquestions.Activity1

1.GetSstocomeupwithasmanywordsaspossiblewhilelookingatthepicture.

maskcyclecyclistdustcitizenfrighteningsandstorm

2.Whatishappening？

Thereisasandstormblowing.

3.Whatisthecyclistwearingandwhy？

Sheiswearinghoods（头巾），masksandglasses.

4.Whatdoyouthinkhappenedtotrafficinthissituation？

Why？

Thetrafficmovesslowlyforit’snotcleartoseeeverythingontheroad

andpeoplemusttakegreatcare.

5.Whatdoyouthinkexpertsadvisepeopletodointhissituation？

Expertsadvisepeopletostayathomeinthissituation.

3.Pre-readingdiscussion

Ifyouaretowritethearticlenamed“SandstormsinAsia”，howmanypartswillyouincludeinit？

Whatwillyouwriteineachpart？

Or:

Haveyoueverbeeninasandstorm？

/Haveyoueverexperiencedasandstorm？

Ifyes，describeittous.Ifnot，pleaseimaginewhatitwillbelike.

Step3Fastreading

Option1（forcommonSs）:

Readthetextquicklyandtrytofindouttheanswerstothefollowingquestions.

1）What'

sasandstorm？

Sandstormsarestrong，drywindsthatcarrysand.

2）Whereintheworldarethemainfoursandstormplaces/areas？

AndhowaboutinChina？

CentralAsia，NorthAmerica，CentralAfricaandAustralia，NorthwestChina.

3）What'

stheweatherexperts'

advicewhenasandstormcomes？

Theyadviseusnottogoout.Ifwehaveto，we'

dbetterwearamask.

Option2（forbetterSs）:

Findthemainpointsofeachparagraph.

AskSstoreadthepassageasquicklyastheycan，andtrytogetthemainideaofeachparagraph.

Part1（Para1）disasterSandstormshavebeenamajordisasterforcenturies.

Part2（Para2-5）descriptionSandstormsinAsia.

cause.SandstormsinChinaappeartohaveincreasedasaresultofdesertification.

SandstorminfluenceSandstormssometimesaffectBeijing.

suggestionsSandstormsdoalotofdamagetopeople.

Part3（Para.6）measuresThegovernmentplantstreestopreventsandstorms.

Step4Detailedreading

1.Readthepassagecarefullyandanswerthefollowingquestion.

1）Whataresandstorms？

2）Inwhatplacesdotheyoftenhappen？

CentralAsia，NorthAmerica，CentralAfricaandAustralia.

3）WhatdoesRenJianbo’sexampletellus？

Itisdangeroustogooutwhenasandstormoccurs

4）AretheresandstormsinChina？

Where？

Yes.NorthwestChina.

5）HavesandstormsinChinaincreasedordecreasedrecently？

Increased.Asaresultofdesertification

6）Whydoestrafficmoveslowlyduringthesandstorm？

Becausethethickdustmakesitdifficulttosee.

7）WhatdoesthegovernmentdotoprotectBeijingfromsandstorms？

Plantmoretrees.

2.Readthepassagecarefullyandthenfillinthechartwithsuitablewords.

Parts

Content

Details

1

majordisaster

Amasscampaign，tohelpsolvesandstorm，triedmanywaystosolveit

2

description

Strongwind，dry，carrysand，Sothick，can’tseethesun

cause

Desertification，Climatechanges，cutdowntrees，digupgrass

influence

Orangesky，strongwinds

suggestion

Stayathome，wearamask

3

measures

Planttrees

3.FinishtheActivities3-5.

Step5Languageexplanations

1．Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.砍树挖草也是沙漠的一个成因。

cutdown: