Unit13Wearetryingtosavetheearth教案何文档格式.docx
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Theriverusedtobesoclean.
Theairisbadlypolluted.
Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.
Weshouldhelpsavethesharks.
2.技能目标:
能正确运用现在进行时,现在完成时,被动语态,情态动词和usedto句型。
3.情感目标:
有环境危机意识,学会关注环境保护环境。
二、教学重难点:
1.教学重点:
(1)能正确运用现在进行时,现在完成时,被动语态,情态动词和usedto句型。
(2)保护环境的措施方法。
2.教学难点:
能正确运用现在进行时,现在完成时,被动语态,情态动词和usedto句型。
课时安排:
Period1:
SectionA(1a—1c)Period2:
SectionA(2a—2d)
Period3:
SectionA(3a—3b)Period4:
SectionA(Grammarfocus—4c)
Period5:
SectionB(1a—1e)Period6:
SectionB(2a—2b)
Period7:
SectionB(2c—2e)Period8:
SectionB(3a—self-check)
SectionA(1a—1c)
litter,advantage,bottom,fisherman,
beharmfulto,atthetop(ofsth.),
三、教学步骤:
I.Presentation
Showthepictureoftheearthandtellstudentstheearthispollutednow.
Forexample:
(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.
(2)Factoriesputwasteintotheriver.
(3)Peopleshouldthrowawaylitterinthebin.
(4)Therearemorecarsontheroad.
Learnsomenewwords.
II.Workon1a
Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.
loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones
noisepollutionairpollutionwaterpollution
____________________________________
III.Listening
1.Workon1b.Listenandcompletethesentences.
Whatwastheproblem?
Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.
Whatcausedtheproblem?
Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.
Howshouldtheproblembesolved?
Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.
2.Listenagainandanswerthefollowingquestions.
1)WhatdoesTonywanttodolaterthisafternoon?
HewantstogoswimmingwithMarkintheriverlaterthisafternoon.
2)Whydoesn’tMarkwanttogowithTony?
Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.
3)Howwastheriverinthepast?
Itusedtobesoclean.Ithasbeenthenicestriverinthistown.
IV.Practice
1.Role-playtheconversationin1c.
Mark:
Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.
Tony:
Butitusedtobesoclean!
Yes,butpeoplearethrowinglitterintotheriver.
Everyoneinthistownshouldplayapartincleaningitup!
2.Makeconversationsusingthepollutionin1a.
A:
Theriverhasalwaysbeenthenicestriverinthistown.
B:
Yes,itusedtobesoclean.
ButIwastherelastweekendandtheriverwasreallydirty.
Whatcausedtheproblem?
Peoplearethrowinglitterintotheriver.
Whatshouldwedo?
Factoriesarealsoputtingwasteintotheriver.
Yes,everyoneinthistownshouldplayapart.
Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.
Whatelsecanwedo?
Everyoneshouldhelptocleanuptheriver.
V.Languagepoints
1.We’retryingtosavetheearth!
我们正在竭尽全力拯救地球!
trytodo=tryone’sbesttodo努力去做某事。
e.g.We’ll
try
tofinishtheworkinaweek.
我们将努力在一周内完成这项工作。
2.Herearesomewordsrelatedtodifferentkindsofpollution.
berelatedto与…有关
e.g.Isthedriverrelatetotheaccident?
司机和这起事故有关吗?
3..Eventhebottomoftheriverwasfullofrubbish.
litter和rubbish都可指“垃圾”,用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收
e.g.Throwtherubbishout.把垃圾扔出去。
Theroomisful