SectionA1a—1cSTUDYINGGOAL1、Talkaboutpollutionandenvironmentalprotection.2、ReviewpresentprogressiveusetoPassivevoicePresentperfectModalverbsFinishthesesentence.1、Thesun______intheeast.2、Weare______anEnglishlessonnow.3、Thepark______

to

besocleanlastyear.4、Thewater______pollutedbypeople.5、I___finishmyhomework.6I___finishedmyhomeworkbeforemymothercameback.PracticeriseshavingusedismusthadUnit13We'retryingtosavetheearth!Grammar1：We’retryingtosavetheearth!

我們正在竭盡全力拯救地球!

trytodo=tryone’sbesttodo

努力去做某事。

e.g.Everystudentshouldtryto（tryourbestto）study

hardinordertostudyinauniversity.

為了進入大學學習，每個學生都應該努力學習。LanguagepointsSectionA11a-2cTheearthispolluted.Lead-inairpollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.Factoriesputwasteintotheriver.fishermen(漁夫)verywarry.waterpollutionmobilephonepollution

Atthebottom（底部，最下部）ofthebinfullofwaste.noisepollutionTherearemorecarsontheroad.litter

v.亂扔

n.垃圾rubbishwaste垃圾，廢棄物Peopleshouldthrowawaylitterinthebin.n.垃圾箱1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.noisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof_________.Therewerenomore______forfishermen(漁民)tocatch.reallydirtyrubbishfishWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanupGrammar2：Eventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可數(shù)名詞。rubbish指“沒用的東西(被扔或將要丟棄的無用的東西)”不可回收。.litter指“(室內(nèi)或公共場所)亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收。e.g.Throwtherubbishout.

把垃圾扔出去。

Theroomisfullofrubbish.

房間里堆滿了垃圾。

Pickupyourlitterafterapicnic.

野餐后將廢棄物收拾好。

1cRole-playtheconversationTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!Grammar3：Everyoneinthistownshouldplayapart

incleaningitup!

playapartin在……方面起作用

e.g.Agooddietplaysa

partin

helpingpeoplelivelonger.

健康的飲食在幫助人們長壽方面起著非常大的作用。Whatshouldwedotosavetheearth?Turnoffthelightswhenyouleavearoom.關掉stopridingincarsstopusingpapertowelsornapkins（餐巾，餐巾紙）recycle

booksandpaper回收利用Homework1.Copythe