教学设计：SandstormsinAsia公开课

Module4SandstormsinAsiaPeriod2ReadingandVocabulary教学设计教材分析本节课是精读课。通过上一节课的识记和讨论，学生对沙尘暴已经有了一个大体的了解，于是在本节课中，学生先对一些将会见到的生词进行初步的识记，然后通过阅读深入了解沙尘暴特别是亚洲的沙尘暴。了解其形成原因并讨论应对的办法。同时学生能学习一些阅读技巧，如速读和略读。三维目标1.知识与技能1)Trainstudents’readingability.2)Learnsomeusefulwordsandexpressions.3)Knowaboutsomefactsaboutsandstorms.2.过程与方法1)MakestudentsknowmuchmoreinformationaboutsandstormsinAsia,especiallyinChina.2)Encouragethemtofindwaystoprotecttheenvironment.3.情感与价值1)Makestudentshaveabetterunderstandingofsandstorms.2)Encouragethemtoprotectourearthandenvironment.教学重点1.Helpstudentstounderstandsandstormsbetter.2.Learnandmastersomeimportantwordsandphrasesusedtodescribesandstormsinthisperiod.教学难点1.Trytoimprovestudents’readingabilityandunderstandthepassagebetter.2.Mastertheimportantlanguagepointsinthispassage.3.Describethenaturaldisasters.教学方法1.Fastreadingtogetthegeneralideaofthetext.2.Intensivereadingtounderstandthepassagebetter.3.Discussiontohelpstudentsunderstandwhatthey’velearnedbetter.4.Explanationtohelpstudentsmastersomelanguagepoints.教学过程→Step1Revisionandlead-in1.Greetthewholeclassasusual.2.Checktheirhomework.LetsomestudentsreporttheirdiscussionofActivity3onPage31.OptionOne:Lead-inTheteachercanleadstudentsintothetopicofthetextbytalkingabouttheweatherasfollows:T:What’stheweatherliketoday?S:It’ssunny(or:rainy/windy...)T:Istheweatherniceorbad?S:(Supposetoday’sweatherissunny,studentswillanswerlikethis.)Verynice.T:En,nice,verynice.Buttheweatherisnotalwaysnice,sometimesthereisalotofbadoreventerribleweather.Wecancallthebadoreventerribleweather“naturaldisaster”.Doyouknow“disaster”?S:Yes,wedo.Itmeans“灾害”inChinese.T:Good,canyouspeakoutthenamesofsomedisastrous(灾难性的)weatherinthelastmodule—Module3TheViolenceofNature?S:Yes,suchasfloods,hurricanes,lightningandtornados.T:Oh,it’swonderful!Andinthismodule—Module4,we’llcontinuetolearnaboutanotherdisastrousweathernamedsandstorms.Let’sgo!OptionTwo:WordmeaningLearnsomewordsinthepassagethatisnewtostudents.Matchthewordswiththedefinitions.Readoutthewordsintheboxandhavestudentsrepeatthemaftertheteacher.Thenaskstudentstomatchthedefinitionsindividually,afterthat,checktheanswerswiththewholeclass.（Showthefollowingonthescreen.）citizencycle(v.)dustexpertforecastprocesssituationsurvive1.torideabicycle2.someonewhoknowsalotaboutaparticularsubject3.thingsthathappenoneafteranother,andhavearesult4.someonewholivesinaparticulartownorcountry5.verysmallbitsofdirtorearth,onthegroundorintheair6.tocontinuetoliveafteradifficultordangeroussituationorevent7.tosaywhatwillprobablyhappen8.everythingthatishappeningataparticulartimeSuggestedanswers:1.cess4.citizen5.dust6.survive7.forecast8.situation→Step2Pre-readingOptionOne:Pre-readingquestionsInthisperiod,themultimediacanbeused.TheteachercanshowstudentsashortvideoorsomepicturesaboutsandstormsorjustletstudentshavealookatthepictureonPage32.Thenaskstudentsthefollowingquestions:(Showthefollowingsentencesonthescreen.)Lookatthepicturefirstandanswerthequestions.1.Whatishappening?2.Whatisthecyclistwearingandwhy?3.Whatdoyouthinkhappenstotrafficinthissituation?Why?4.Whatdoyouthinkexpertsadvisepeopletodointhissituation?Studentsmaydiscusswiththeirpartners.Aboutthreeminuteslater,askseveralpairstospeakouttheiranswers.Suggestedanswers:1.Thereisasandstormblowing.2.They’rewearinghoods,masksandglassestoprotectthemselves.3.Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadandpeoplemusttakegreatcare.4.Stayathome.OptionTwo:Pre-readingdiscussionOpendiscussionbeforereadingTheteachercandesignadiscussionquestionlikethis:Haveyoueverbeeninasandstorm?/Haveyoueverexperiencedasandstorm?Ifyes,describeittous.Ifnot,pleaseimaginewhatitwillbelike.→Step3FastreadingOptionOne:(Forcommonstudents)Readthetextquicklywiththetapeofitandtrytofindouttheanswerstothefollowing3questions:1)What’sasandstorm?(Apossiblekey:Sandstormsarestrong,drywindsthatcarrysand.)2)Whereintheworldarethemainfoursandstormplaces/areas?AndhowaboutinChina?(Apossiblekey:CentralAsia,NorthAmerica,CentralAsia&Australia.NorthwestChina)3)What’stheweatherexperts’advicewhenasandstormcomes?(Apossiblekey:Theyadviseusnottogoout.Ifwehaveto,we’dbetterwearamask.)OptionTwo:(Forbetterstudents)Findthemainpointsofeachparagraph.Askstudentstoreadthepassageasquicklyastheycan,andtrytogetthemainideaofeachparagraph.Thepossiblemainideas:Paragraph1:Sandstormshavebeenamajordisasterforcenturies.Paragraph2:SandstormsinAsia.Paragraph3:SandstormsinChinaappeartohaveincreasedasaresultof“desertification”.Paragraph4:SandstormssometimesaffectBeijing.Paragraph5:Sandstormsdoalotofdamagetopeople.Paragraph6:Thegovernmentplantstreestopreventsandstorms.OptionThree:(Forhighlevelstudents)Trueorfalsequestions:Directions:Decideifthefollowingstatementsaretrue(T)orfalse(F).(1)Scientistshavetriedmanywaystodealwithsandstorms.(T)(2)Landbecomesdesertonlybecausepeoplecutdowntreesanddigupgrass.(F)(3)TheChineseCentralWestStationcannotforecastasandstormbeforeitcomes.(F)(4)Ourgovernmenthasplanedmorethan30billiontreesandplantstocontinueplantingforthenext5years.(T)→Step4CarefulreadingFastreadinghasenabledstudentstogetageneralideaofthepassage.Letstudentsreadthepassageagaincarefullyandtrytogetsomedetails.First,letthemcheckiftheyhavemasteredthewordsinActivity3.Theteachermayaskstudentstofindtheanswersindividually,thencheckwiththewholeclass.Theteachershowsthequestionsonthescreen.1.sanddunesmean_____________.(a)plantsgrowinginsand(b)sandhills2.affectmeans_____________.(a)tokill(b)tocauseachange3.Youwearamaskoveryour_____________.(a)face(b)body4.strengthisthenounof_____________.(a)strong(b)strangeSuggestedanswers:1.b2.b3.a4.aHaveafurtherpracticetomakesurestudentshavemasteredthenewwords.FinishActivity5onPage33individually,andthencallbacktheanswersinawholeclasssettingascompletesentences.1.Weatherexpertshavef_______anotherbigsandstorminaweek’stime.2.It’sf_______tobeoutsideinasandstorm.3.Iwasinaverybigsandstormsomeyearsago.Luckily,everyones______.4.There’salotofd_______onthefloor.Weneedtosweepitaway.5.Desertificationisalongp_______thattakesmanyyears.6.ManyBeijingc_______cycletowork.Suggestedanswers:1.cess6.cyclists/citizensAfterthat,completethesentencesbelow.(Showthefollowingsentencesonthescreen.)1.Thewindsinasandstormcansometimes_____________.2.WhenRenJianbowaslivinginInnerMongolia_____________.3.SandstormsinChinaappeartohaveincreased_____________.4.Cuttingdowntreesanddiggingupgrasscan_____________.5.Trafficmovedveryslowlybecause_____________.6.ThegovernmentisplantingtreestothewestofBeijingto_____________.Encouragestudentstogivethewholesentenceindividually.Theteachercanaskmorestudentstohaveatry.Suggestedanswers:1.preventyoufromseeingthesun2.heexperiencedaterriblesandstorm3.becauseofdesertification4.causedesertsandsandstormstoincrease5.thedriverscannotsee6.preventthedesertcomingnearer→Step5ConsolidationOptionOneListeningandSpeaking:Theteachermayplaythetapeforstudentstofollow,askingthemtopayattentiontotheintonationandpronunciation,especiallyofthenewwords.Now,turntoPage37,andhavealookatSpeaking1.Supposetherehasbeenabadsandstorminyourcity,readthroughtheroleinformationwiththewholeclass.Ensurethattheyknowwhattodo.Thenpairstudentstodotherole-playandhavesomepairsperformtheirinterviewfortheclass.OptionTwoLanguagepointsexplanation:Explainsomelanguagepointstostudentsaccordingtotheirlevel.Thematerialsareinthereferenceforteachingpartbehindthisperiod.→Step6SummaryandHom