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外研版高中英语必修三《Module4SandstormsinAsia》课件_图文

高中英语课件
madeofcanruohanxing

冠县一中黄付强

Pleaselookatthesepictures. Howbeautifultheyare!

Butonedaysomethinghappened.

北京等地的持续雾霾天气

Whatnaturaldisasteritis?
Itisasandstorm.Itisveryfrightening.

bury Thesandalmostburiesthehouse.

cycle/wear/mask

InnerMongoliahasmanysandstorms everyyear.Itisfarawayfromthesea,soitis aninlandregion.

Lookatthepicturebelow.Completethes entencesusingthecorrectformofthese words.
blowburyfrightening last(v)sandstorm
Therehadbeena.Itfsoarntdesnthoromursandhwaadslavseterdy.Thewindthes andhigharoundftrhieghhoteunsiensg,andsomecarswwearseblaolwmiongstcom pletelybythesand.
buried

Thedaybeforeyesterday
Lookatthesepictures.Noww orkinpairs.Discussthefollow ingstatementsanddecidewhi chstatementisfalse.

Yesterday Today

1.Sandstormsbeginindesertareas.

(\/)

2. Desertsarecreatedbyclimatechanges.

(\/)

3. Desertsarealsocreatedbecausepeoplecutd

owntreesanddigupgrass.
(\/)

4. SandstormsfromAsiahaveblownacrossth

ePacificOceantoAmerican.

(\/)

5. Sandstormscan’tbeprevented.

(×)

6. Theinlandregionhasmoresandstormsthanth

eonenearthesea.

(\/)

Discussion
Workingroupsof46.Discussthesequestions.Theteamleadersfromeac hgroupreporttheiranswerstotheclass.
1.Whatshouldyoudoinasandstormtoprotectyourself? 2.Whichdoyouthinkismoredangerous,anearthquakeorasandst orm?Saywhy. 3.WhereinChinadosandstormsbegin? 4.Ifyouareinadesert,whatisthefirstsignofa
sandstorm? 5.Haveyoueverbeeninasandstorm?Ifyes,describeittoyour partner.

Readingandvocabulary
Lookupthesewordsinadictionary.The nmatchthewordswiththeirdefinition.

citizencycle(v)dustexpert

forecastprocesssituationsurvive

1.torideabicycle

cycle

2.someonewhoknowsalotaboutaparticularsubject expert

3.thingsthathappenoneafteranother,andhavearesult process

4.someonewholivesinaparticulartownorcountry citizen

5.verysmallbitsofdirtorearth,onthegroundorintheair

dust 6.tocontinuetoliveafteradifficultordangeroussituation

orevent

survive

7.tosaywhatwillprobablyhappen

forcast

8.everythingthatishappeningataparticulartime situation

fastreading:
Lookatthephotos.Readthetextquick lyandanswerthequestions.
1.Whatishappening? 2.Whatisthecyclistswearing
andwhy? 3.Whatdoyouthinkhappentotraff
icinthissituation?Why?
4.Whatdoyouthinkexpertsadvise peopletodointhissituation?

Readagainandtrytofindtheanswer tothequestion.
Howmanypartscanthisarticlebedividedinto?
PartI(para1): majordisasterinAsia-standstorm PartII(para2-5): discriptioncauseinfluencesuggestion PartⅢ(para6): measures

Carefulreading: Fillinthechart

Parts

Content

Details

I

majordisast

er



description

cause

influence

suggestion

III

measures

Activity:
“APressConferencea boutSandstorms”
Supposeyouarehavingapres sconferenceaboutsandstor ms.Somearenewsspokesme n,someareexperts,andsome arejournalists.Nowworking roupsof8.Youcanrefertothe followingmaterials.

CauseofSandstorms
※ Topographicalfactor
※ Atmosphericfactors ※ Excessivecultivation
offarmland: ※ Deforestation
※ Over-grazing:
※ Ineffectiveprotectionofc onstructivesites:

MeasuresandSuggestions
◎certainadministrativemethodsbetakentoturnde sertificationpreventionsintotherecordtoeval uatetheworkoflocalgovernmentofficials.
◎theissueofdesertificationpreventionshouldbei ncludedinthenationaleconomicandsocialdevelop mentprogramforthe21stcentury,anditshouldbeon thelistofkeynationalprojectsanditems
◎thepreventionplansmustbedrawnupscientifica lly,andthemanagementmustbestrict.

◎importanceshouldbeattachedtoexperts'participat ionintheproject,andthebuildingofanewtypeofstru cturewhichcombinesproduction,scientificresearc handpromotionunderthenewcircumstances.
w◎emustdoagoodjobofmonitoringandforecastingdese rtification.Wemustalsoestablishaninformationne tworkfornationaldesertificationandsandstormpre vention,withforecastingworkfocusedoncontrollin gdesertificationatthebeginningstage.

保护地球, 就是保护我们自己!

Homework1
Thinkabout: Asaseniorhighstudent,whatshoul dwedotoimproveourenvironment?

Homework2
社会调查: 用英语写一张爱护环境的海报, 列举人们能就环保所做的6件事。