Unit2Topic1PollutionhascausedtoomanyproblemsSectionB單位：執教時間：月日總課時數：課題SectionB課型新授課課時數1主備人備課組長執教教師學習目標1.Knowledgeaims：掌握本課的重點詞匯和短語，正確運用現在完成時進行問答。2.Skillaims1）能通過觀察課文插圖來預測課文內容。2）能聽懂用現在完成時表達的對話。3）能朗讀和表演有關環保的對話。3.Emotionalaims:(optional)引導學生關注環境問題，樹立綠色環保意識，增強憂患意識和社會責任感。學習重點難點1KeypointsWordsandphrases:soil，pain,chest,breathe,breath,produce，beharmfulto,getapainin,toomany,toomuch2)Sentences:A:Howlonghaveyoubeenlikethis?B:I’vebeenlikethissincelastweek.2Difficultpoints比較一般過去時和現在完成教學方法講授法、小組討論法、練習法、互動教學法教學準備教材、教案、課件教學過程教學預設個性化修改Step1LeadinLettheSslookatthepicturesin3aonpage30andguessthemeaningandpronunciationofthenewwordsaccordingtothepicturesandtheteacher’sdescriptions.Step2:1.AskSstofillintheblanksin3bwiththewordsandphrasesin3a.2.lettheSslistento1aonceandtickthequestionstheyhearinpartAof1b.Thenchecktheanswerstogether.4.LettheSsread1aafterthevideo.Afterthat,read1aagainindifferentroles.5.LettheSsread1acarefullyandunderlinethedifficultpointsincludingwords,phrasesandsentences.Step3:Discussthefollowingkeyphrasesingroups.（1）It’sdifficultformetobreath.（2）apainin+身體部位（3）toomuch,muchtoo,toomany（4）hadbetter(not)doSth.（5）beharmfulto=doharmto（6）throwitabout/around（7）Howlonghaveyoubeenlikethis?（8）look/taste/sound/feel/smell+adj.Step4:LeadtheSstoscanthematerialandchoosethecorrectwordstopletetheletterin2Step5:課堂檢測（鏈接中招）1.Thereare________booksintheshop.Idon’tknowwhichonetochoose.A.toomanyB.toomuchC.muchtooD.manytoo()2.—Don’tsmoke.It’s________toourhealth.—Sorry,Iwon’tdoitagain.A.harm B.harmfulC.harms D.harmed()3.Hehasaheadache.Hefeelsdifficult________.C.tobreatheD.tobreath()4.SheissonoisythatIcan’t________her.A.see B.knowC.bear D.understand()5.—Howlonghaveyou________this?—Foraweek.A.liked B.beenC.beenlike D.like()6.Ifyouarealways________,itwillbebadforyourhealth.A.inagoodmood B.inabadmoodC.ingoodhealth D.inneedStep6.Summarizingandassigninghomework1.LettheSsgooverwhattheyhavelearnedthisperiod.Sumupthekeypoints.Step7:Homeworkpletetheexercisebook板書設計Theworldhaschangedforthebetter.SectionALanguagepoints:soil，pain,chest,breathe,breath,produce，beharmfulto,getapainin,toomany,toomuchGrammar:（1）It’sdifficultformetobreath.（2）apainin+身體部位（3）toomuch,muchtoo,toomany（4）hadbetter(not)doSth.（5）beharmfulto=doharmto（6）throwitabout/around（7）Howlonghaveyoubeenlikethis?（8）look/taste/sound/feel/smell+adj.作業設計預習作業PreviewSectionB書面作業1.Thereare________booksintheshop.Idon’tknowwhichonetochoose.A.toomanyB.toomuchC.muchtooD.manytoo()2.—Don’tsmoke.It’s________toourhealth.—Sorry,Iwon’tdoitagain.A.harm B.harmfulC.harms D.harmed()3.Hehasaheadache.Hefeelsdifficult________.C.tobreatheD.tobreath()4.SheissonoisythatIcan’t________her.A.see B.knowC.bear D.understand()5.—Howlonghaveyou________this?—Foraweek.A.liked B.be