九年級(jí)全一冊(cè)Unit13We'retryingtosavetheearth!Unit

Unit13We’retryingtosavetheearth!一、教學(xué)目標(biāo)：1.語(yǔ)言知識(shí)目標(biāo)基本詞匯：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,work,metal,creativity,基本詞組：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback基本句型：We’retryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目標(biāo):能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài)動(dòng)詞和usedto句型。3.情感目標(biāo):有環(huán)境危機(jī)意識(shí)，學(xué)會(huì)關(guān)注環(huán)境保護(hù)環(huán)境。二、教學(xué)重難點(diǎn)：1.教學(xué)重點(diǎn)：（1）能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài)動(dòng)詞和usedto句型。（2）保護(hù)環(huán)境的措施方法。2.教學(xué)難點(diǎn)：能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài)動(dòng)詞和usedto句型。三、教學(xué)步驟:SectionA1(1a-2d)Learningobjectives:1.Tolistenforspecificinformation.2.Totalkaboutpollutionandenvironmentalprotection.3.Tolearntousethesentencepatterns.usedto...butnowshoulddosth.I.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.II.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesnoisepollutionairpollutionwaterpollution________________________________________________________________________________________________________________________________________________III.Listening1.Workon1b.Listenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(漁民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.2.Listenagainandanswerthefollowingquestions.WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.2)Whydoesn’tMarkwanttogowithTony?Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3)Howwastheriverinthepast?Itusedtobesoclean.Ithasbeenthenicestriverinthistown.3.原文usedtodosth.“過(guò)去常?！北硎具^(guò)去習(xí)慣性的動(dòng)作但如今已不存在。playapartindoingsth.“參與做某事;在做某事上起作用”。IV.Practice1.Role-playtheconversationin1c.Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearethrowinglitterintotheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!2.Makeconversationsusingthepollutionin1a.A:Theriverhasalwaysbeenthenicestriverinthistown.B:Yes,itusedtobesoclean.A:ButIwastherelastweekendandtheriverwasreallydirty.B:Whatcausedtheproblem?A:Peoplearethrowinglitterintotheriver.B:Whatshouldwedo?A:Factoriesarealsoputtingwasteintotheriver.B:Yes,everyoneinthistownshouldplayapart.A:Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.B:Whatelsecanwedo?A:Everyoneshouldhelptocleanuptheriver.V.Languagepoints1.We’retryingtosavetheearth!我們正在竭盡全力拯救地球!trytodo=tryone’sbesttodo盡力去做某事【運(yùn)用】我會(huì)盡力做好這項(xiàng)工作。___________________________________We’ll

try

tofinishtheworkinaweek.

try短語(yǔ)trydoingsth.試著做某事tryon

試穿tryout

嘗試；試驗(yàn)；試試

用try短語(yǔ)的適當(dāng)形式填空。1)Iwenttothetailor’sto_________mynewsuit.2)Let’s_________yourmethod.Itseemsverygood.3)Ithinkyoushould_____________toimproveyourEnglish.4)Letme____________thestory.讓我試著講一講這個(gè)故事吧。2.Herearesomewordsrelatedtodifferentkindsofpollution.berelatedto與…有關(guān).Isthedriverrelatetotheaccident?司機(jī)和這起事故有關(guān)嗎？VI.Listening1.Workon2a.Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.A.landpollutionB.airpollutionC.noisepollutionD.waterpollution2.Workon2b.Listenagainandcompletethesentences.1)Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2)Factoriesthatburncoalalso________theairwithalotofblacksmoke.3)Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4)Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.Completethesentencesaccordingtothedialogue.1.I________abletoseestarsinthesky,butnowIcan’tseethemclearly.usedtobe2.Theair__________really_______aroundthere.hasbecome…polluted3.Peoplearealso_______inthepublicplaces.littering4.Thefactoriesthatburn_____also________theairwithalotofblacksmoke.coal…polluted3.原文Payattentiontothesentences.VII.Practice(Workon2c)Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.Jason:Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat…VIII.DiscussionAskstudentswhatweshoulddotosavetheearth.Helpstudentsanswer,turnoffthelightswhenyouleavearoom;stopridingincars;stopusingpapertowelsornapkins;recyclebooksandpaper.IX.Reading1.Read2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionwooden(木頭的)chopsticksorplasticforksrubbish2.Completethesentences.Whatshouldwedo?1.Weshouldtake_______or_______insteadofdriving.2.Weshouldalso__________________.It’sgoodforhealth!3.Bring_______togoshopping.4.Nevertake_________________or__________whenbuyingtakeawayfood.5.______________inthebinsandkeeppublicplacescleanandbeautiful.3.Role-playtheconversation.Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareotheradvantages(優(yōu)點(diǎn))ofbikeriding.It’sgoodforhealthanditdoesn’tcost(花費(fèi))anything!Interviewer:Greatideas!Whataboutwastepollution?Susan:Mmm,Ithinksimplethingslikebringingabagtogoshoppingcanhelp.Istarteddoingthatayearago.Jason:Me,too.Also,Inevertakewoodenchopsticksorplastic(塑料)forkswhenIbuytakeaway(外賣(mài)食品)food.Iusetheonesathome.Susan:Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.Interviewer:Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!4.Payattentiontothesentences.X.Languagepoints1.It’sgoodforhealthanditdoesn’tcostanything!costv.花費(fèi)；使付出指花費(fèi)金錢(qián)，主語(yǔ)通常是物。cost的過(guò)去式和過(guò)去分詞均為cost。.ThenewshirtcostMrWang200yuan.王先生花了200元買(mǎi)了新襯衫。Howmuchdoesthenewcomputercost?新電腦花了多少錢(qián)？辨析take,spend,pay&costtake，spend，pay和cost都可以表示“花費(fèi)”，但它們的用法各有不同。1)take多表示花費(fèi)時(shí)間，常用于Ittakessb.sometimetodosth.這一句型中，其中it作形式主語(yǔ)。.Itusuallytakesme40minutestocookthedinner.2)spend多表示花費(fèi)時(shí)間和金錢(qián)，主語(yǔ)通常是人，常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.兩種句型。.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.3)pay多表示花費(fèi)金錢(qián)，主語(yǔ)通常是人，常用于sb.pay(s)somemoneyforsth.句型。.Tommypaid20yuanforhisbreakfastyesterday.4)cost多表示花費(fèi)金錢(qián)，主語(yǔ)通常是物，常用于sth.cost(s)(sb.)somemoney.句型。.ThenewdresscostLinda80yuan.(1)Ittakessb.sometimetodosth.(主語(yǔ)為it)(2)sb.spend(s)time/moneyonsth.(主語(yǔ)為sb.)sb.spend(s)time/money(in)doingsth.(3)sb.pay(s)moneyforsth.(主語(yǔ)為sb.)(4)sth.cost(s)sb.money(主語(yǔ)為sth.)根據(jù)句意用take,spend,pay或cost的適當(dāng)形式填空。1)Thatnewcar________

themlotsofmoney.2)Mona__________50yuanonthebooksjustnow.3)Itusually_______

meanhourtodomyhomework.4)Youshould__________

sometimepractisingyourpronunciation.5)Mybrother_______

6,000yuanforthenewcomputeryesterday.2.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!makeadifference(to…)表示(對(duì)……)產(chǎn)生影響或作用makenodifferenceto對(duì)……沒(méi)有影響.LearningEnglishwellcanmakeadifferencetoyourfuture.學(xué)好英語(yǔ)會(huì)對(duì)你的前途有影響。XI.SummaryⅫ.ExercisesⅠ.

根據(jù)句意及所給首字母提示，補(bǔ)全句中所缺單詞。1.

C

canbeusedtoproduceelectricity.2.Thenewcar

c

alotofmoney,butitwascertainlyworthit.3.Thereisa

w

bed,atableandtwochairsinthissmallroom.4.Itisaverycleancity.Youwillhardlyfind

l

whenyouwalkalongthestreet.5.Myuncleisagreat

f

andhecaughtfourfishthismorning.6.Somecupsintheshopareniceandexpensiveandtheothersare

u

andcheap.7.Livinginthisstreethasalotofa

.Theonlydrawback(弊端)isnoise.Ⅱ.

根據(jù)句意，從方框中選擇恰當(dāng)?shù)亩陶Z(yǔ)填空，有的需要變換形式。writeto,leadto,cleanup,cutdown,playapart