仁愛英語九年級上冊unit 2 topic 1 sectiona (1a2) 教學(xué)設(shè)計

1、第1頁Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionA(1a2)Ⅰ.Materialanalysis本課是九年級第二單元第一話題的第一課時。主活動是圍繞過去和現(xiàn)在環(huán)境的變化展開聽說訓(xùn)練。1a通過關(guān)于“WestHill”今昔環(huán)境變化的對話，引出本話題的污染問題，鞏固現(xiàn)在完成時與一般過去時的用法及區(qū)別。1b要求學(xué)生能夠聽懂一般過去時態(tài)和現(xiàn)在完成時態(tài)，也就是

2、要分清1b所提及的詞語所伴隨的時間。1c要求學(xué)生補(bǔ)全描述“WestHill”今昔變化的句子并進(jìn)行內(nèi)容復(fù)述，即整合1a對話的信息，將對話轉(zhuǎn)換為語篇。2通過觀察圖片內(nèi)容，結(jié)對編對話，描述污染前后的情況，進(jìn)一步訓(xùn)練學(xué)生口頭表達(dá)能力和對一般過去時和現(xiàn)在完成時的運用能力。Ⅱ.Teachingaims1.Knowledgeaims：掌握本課的重點詞匯、短語和句型；鞏固一般過去時和現(xiàn)在完成時的用法和區(qū)別。能夠用一般過去時和現(xiàn)在完成時描述過去和現(xiàn)在的變

3、化。正確使用therebesth.sb.doingsth.來表達(dá)“有某人物正在做某事”。2.Skillaims:能運用一般過去時和現(xiàn)在完成時圍繞“環(huán)境變化”話題展開簡單的聽、說、讀、寫活動。3.Emotionalaims:讓學(xué)生了解環(huán)境污染的嚴(yán)重性，并樹立環(huán)保意識。4.Cultureawareness:通過課文的學(xué)習(xí)，讓學(xué)生了解環(huán)境的變化，關(guān)注全球的環(huán)境問題。Ⅲ.Thekeypointsdifficultpoints1.Keypoint

4、s:Wdsphrases:beebutterflymessshameseveralwastepourseesb.sth.doingsth.pour…into…villagerdestroycutdown第3頁Step2Leadin(5mins)1.ShowsomepicturesaboutpollutionintroducethetopicofUnit2.T:I’mgladthatyouhavefoundoutsomanygreatch

5、angesinourhometown.Thesechangesaregood.Howeversomeotherchangesarenot.Letmeshowyousomepictures.WhatcanyouseeinthesepicturesSs:…T:Itisgoodthatwehavemefactiesmecarsmebuildingsbutitisbadthatwealsohavemeairpollutionwaterpollu

6、tionlightpollutionnoisepollutionsoon.Pollutionhascausedmanyproblems.Ourchangingwldisindangersowehavetosaveit.TodaywewillmoveontoanewunitUnit2SavingtheEarth.Topic1Pollutionhascausedsomanyproblems.2.Watchashtvideoaboutpoll

7、utionasktheSstotalkaboutthevideo.T:BefelearningSectionAI’dlikeyoutowatchashtvideofindoutwhathashappenedtoLucy’shometown.T:OKnowtellmewhathashappenedtoLucy’shometown.Ss:…T:YesLucy’shometownhaschangedalotbecauseofpollution

8、.Pollutionhasdestroyedthevillage.NowI’dliketoshowyouanotherexampleoftheWestHill.Remarks:Remarks:通過圖片從談?wù)摪l(fā)展變化（好的變化）過渡到環(huán)境變化（壞的變化），自然地導(dǎo)入第二單元的話題“環(huán)境污染”。接著通過觀看視頻，讓學(xué)生直觀感受污染給環(huán)境造成的破壞。Step3.Prelistening(8mins)Presenttwopicturesofth

9、eWestHillhelptheSsdescribethechanges.Teachthenewwdssomedifficultsentences.(ShowthepictureoftheWestHilltotheSsonPPT)T:KangkanghisfriendsaregoingtohaveapicnicintheWestHill.IstheWestHillbeautifulLookatthepicture.Whatcanyous

10、eeinthepictureS1:Icanseeabigtree…(Pointtothetree.)S2:Icanseesomeflowersgrass.(Pointtotheflowersgrass.)T:Canyouseethebeesbutterfliesdancingthere.(PointtothebeesbutterfliesthenwritedownthewdsphrasesontheBbshowthemonthescre