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Unit4UsingLanguage精品教案

TeachingGoals:

1.Todiscussandreadaboutglobalwarming.

2.Tolearntowriteaposter.

TeachingProcedures:

Step1.Warmingup

Turntopage30.Listentothetapeandfollowinalowvoice.Pausewherethereaderpauses.Payattentiontothepronunciationandintonation.

Step2.Reading

Individualwork

Whenyoureadthetextforthesecondtimeyouaresupposedtounderlinealltheusefulcollocations.Youhavetocopythemintoyournotebook.IhopeyoucanfullyunderstandtheimportanceofexpressionsinEnglishlearning.

2.Groupwork

Discussingroupsthecollocationsfromthetext.

Doaprojecton…;do…about…haveeffecton…;startwith…getsuggestions;havetopowerto;makeadifference;putupwith…comefrom…reducethecarbondioxidecontent;bestartedwith…;useenergyin…leave…on;turn…off;turnuptheheat;rideabike;make…from…;bemadefromrecycledmaterials;saveenergy;planttreesinthegarden;absorbcarbondioxidefrom…;talkwith…about…

Step3.Writing

Youaregoingtomakeapostertotellyourschoolmateswaystoreducetheamountofcarbondioxideintheair.

Foryourreference:

HowToReducetheAmountofCarbonDioxideGoingintotheAir.

Usepublictransportation,walkorbiketoschoolorwork.Ifyoumustdrive,joinacarpoolanduseacarthatgetshighmileage.

●Useenergy-efficientappliancesandweatherizeyourhome.

Userenewableenergysources,likesolarheartorwindpower,whichdon’temitcarbondioxide.

●Switchfromcoalandoiltonaturalgasinpowerplantsandfactories.Naturalgasreleasestheleastamountofcarbondioxide.

Step4.Listeninganddiscussing

Nowturntopage31.LiBenisdoinganinterviewwithProfessorChenabouttheuseofdifferentsources.Readthestatementsandlistentothetaperecordingoftheinterviewtodecidewhichstatementtheprofessordoesnotagreewith.

We’llhavetostopusingfossilfuels.

About90%oftheworld’senergycomes