Unit+13+Section+A+1a-1c 人教版英语九年级全册

Unit13Wearetryingtosavetheearth.SectionA1a-1cTotalkaboutnoisepollution,airpollutionandwaterpollution.Tothinkaboutwaysofprotectingtheenvironment.TeachingAims教学目标Theearthispolluted.Weonlyhaveoneearth.seriouspollutionWeareharmingourplanetinsomanyways.伤害airpollutionwaterpollutionLandpollutionnoisepollutionairpollutionwaterpollutionWhatcanyouseeinthepictures?Whatkindsofpollutionarethey?land/waste/soilpollutionnoisepollutionWhatcanyouseeinthepictures?Whatkindsofpollutionarethey?waterpollutionland/waste/soilpollutionnoisepollutionairpollutionWhatkindofpollutionaretheytalkingabout?cantrytousethepublictransportation.Tosolveairpollution,weloudmusic

carsrubbish

planes

litteringshipsfactoriessmokingbuildinghousesmobilephones1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepollution________________________________________________________

airpollution________________________________________________________

waterpollution________________________________________________________

loudmusic;cars;buildinghouse;ships;planessmoking;factoriesfactories;rubbish;litteringWhatwastheproblem?Theriverwas_________.Eventhebottomoftheriverwasfullof_______.Therewerenomore____forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto__________thefactories.Everyoneshouldhelpto________theriver.litterwastegovernmentclosedowncleanupreallydirtyrubbishfish1bListenagainandfillintheblanks.fisherman-fishermen渔民Listenagainandcheck(√)thesentencesyouhear.1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theriverhasalwaysbeenthenicestriverinthistown.4.Weshouldasktheteachersforhelp.√√Mark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshould

playapartincleaningitup!Role-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1clittering乱丢废弃物

litter作不可数名词，意为“垃圾；废弃物”。如：Therewerepilesoflitteronthestreets.

街上有一堆一堆的废弃物。

Therewillbefinesforpeoplewhodroplitter.

乱扔垃圾的人将被罚款。Languagepointslitter作及物动词，意为“把...弄得乱七八糟”。如：Don'tlitterupthefloorwithscrapsofpaper.别往地上乱丢纸屑。Itisantisocialtoleaveone'slitterinpublicplace.在公共场所遗弃杂物是妨害公共利益的。Languagepointslitter

还可作不及物动词，意为“乱扔废弃物”。如：Pleasedon'tlitter.请勿乱扔纸屑杂物。Whydoyoualwayslitterupthetablewithallthesenewspapers?你为什么总是将报纸乱丢，把桌子弄得乱糟糟呢？Languagepoints用方框中所给词的适当形式填空。1.Don'tthrow_______(垃圾)everywhere.2.Inwinter,manypeopleburn______(煤)tokeepwarm.3.Thepolicefoundabodyatthe________(底部)ofthelake.4.The______(花费)oflivinginbigcitiesisveryhigh.5.Hekeepsarabbitinabig_______(木制的)box.costwooden,coal,bottom,littercostwoodencoalbottomlitter1.Thestreet________________(充满了)

rubbish.2.__________(litter)causespollution.3.Factoriesareputting____________

(pollute)waterintotheriver.isfullofLitteringpolluted4.Thecity________________(过去)be

soclean.5.Weshouldplayapartin_________

(clean)thecityup.6.There_________________(过去有)so

manytreesonthehills.usedtocleaningusedtobe1.多一个人少一个人无所谓。

Onepersonwouldn’t__________________.2.这个木箱时装满了书。The_______box____________books.3.不健康的饮食对这种疾病的传播起一定的作用。

Unhealthyfoods____________thespreadofthedisease.4.这条小路通向公园。

Thepath________thepark.5.我错拿了你的包