英语人教版九年级全册unit13sectionB

1、Unit13We'retryingtosavetheearth!一、教学目标：1. 语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,wor

2、k,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull-down,bringback基本句型：We'retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2. 技能

3、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。SectionB2(3a-SelfCheck)I. Revision1. Writedownthesephrases.回收纸好好利用停止乘小汽车用纸巾用垃圾建造房经营小生意旧玻璃瓶一个有创意的大脑更受欢迎的作品倒置回复，归还拆下开一个小店给他人

4、带来欢乐2. Talkabout2bwithyourpartner.II. Warmingup1.Whatshouldwedotosavetheearth?Turnoffthelightswhenweleavearoom.Takeourownbagswhenshopping.Rideabike.Recyclepaper.Don'tusepapernapkins.2. Whatshouldgovernmentsdotosavetheearth?Theyshouldclosedownthefactoriesthatputwasteintotheriver.Setupalotofdustbi

5、nsonthestreet.Stoppeoplefromusingwoodenchopsticks,plasticbowlsandbags.Organizepeopletocleanupthestreetsandrivers.III. Writing1.Workon3a.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?GoodenvironmentWhyBadenvironmentWhyFillinthechartaboutyourcity.2.Workon3b

6、.Writealettertothecitymajorabouttheproblemandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city. Whataretheproblems? Wherearethey? Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.IthinkthatWeshould/couldIsuggest本次写作内容是一封书信,信中首先要介绍你所在城市存在

7、有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。OnepossibleversionDearSir/Madam,Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Withthedevelopmentofthesociety,therearetoomanycarsonthestreetsinourcity.Carshavemadetheairunhealthyforpeopletobreathe.Blacksmokeandpoiso

8、nousgasaregivenoffbyfactories.Factoriesalsoputwasteintotheriver.Andwhereverwego,wecanfindrubbish.Nowmoreandmorepeoplehaverealizedtheseproblems.Ithinkthatgovernmentsshouldclosedownthefactoriesanddeveloplawstostoppeoplefromdrivingcarseveryday.Isuggesteveryoneinthistownshouldhelptocleanuptheriverandthe

9、streets.Weshouldcalloneveryoneinthetowntothrowrubbishinthedustbins.Ihopetheproblemwillbesolvedinthenearfutureandourhomewillbecomebetterandbetter.IV. SelfCheck1.Writedifferentformsofthewords.Thenaddmoretoeachgroup.vn.pollute-actprotect-inspire-build-create-farmsing-travel-drive-runwrite-n.adj.fame-wo

10、od-scienee-health-south-care-raincloud-luckhelp-color-dayadj.n.sunny_noisy-harmful-beautifuldifferent-important-woolen-adj.adv.slow-wide-sudden-realquick-true-possiblehappy-loud-quiet-heavy-easyangrygood-2.Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportatiormore.iPassivevoiceTheriverispollutedbyfactories.usedtoTheairpollutionisgettingworseandworse.Present