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Unit13We'retryingtosavetheearth!SectionA1a-3c1bListenandcheck(√)thesentencesyouhear1.Wecouldgofishingintheriver.2.Theriverwasreallydirty.3.Theriverhasalwaysbeenthenicestriverinthistown.4.Weshouldasktheteachersforhelp.√√1bListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottomoftheriverwasfullof_________.Therewerenomore______forfishermentocatch.reallydirtyrubbishfish底部漁民1cRole-play

Theriverwasdirty…Butitusedtobesoclean!...2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.

landpollutionB.airpollutionC.noisepollutionD.waterpollution2bListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2.Factories thatburncoalalso________theairwithalotofblacksmoke.morecarspollute2dRole-playtheconversation.

減少,砍倒advantagen.優點;有利條件(反)disadvantage缺點2dRead2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionWoodenchopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.木頭的Exercises1.He___gooutwithhisparents,butnowhe____stayingathomealone.A.usedto;isusedtoB.isusedto;usedtoC.usedto;usedtoD.isusedto;isusedto2.Theinterestingbook___me10yuan.A.tookB.paidC.spendD.costWhathappenstotheshark?Withoutfins,canheswim?Canhedie?Anewspaper

Guess:whereisthisarticleprobablyfrom?AnovelAbookhowtosavethesharkssharksareendangerednowtalkaboutsharkfinsoupspara.1para.2para3.

Scanning尋讀Para1.

Talkaboutsharkfinsoup.Readandjudgethesentences.()①Theexpensivesharkfinsoupispopulararoundtheworld.()②You’rekillingawholesharkwhenyouenjoyabowlofsharkfinsoup.

insouthernChina.1800.00RMBeachbowl

FTPara.2Sharksareendangerednow.why

Whathappenstotheshark?Next,people_______________theirfins.cutoff

Then,peoplethefinsthesharkfinsoup.cookinto

Ifasharkdoesn’thaveafin,whatwillhappen?(sentence2.3)Asharkcannolongerswimandslowlydies.不再finsswim

ruel

die

FastreadingPara2.(2.3)Findouttheotheradjectivetodescribetheprocess.Thisisnotonlycruel,butalsoharmfultotheenvironment.

harmfulA:殘忍的B:有害的

Scanning尋讀Para2.1.Whyisitharmfultotheenvironment?(4.5)Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.2.Sharkscanneverbeendangeredbecausetheyarethestrongestatthefoodchain.(6.7.8))TrueorFalse:

atthetopofthefoodchainintheocean’secosystem浮游生物sharks

atthetopofthefoodchainintheocean’secosystem因為我們生存所需的氧氣的70%是海洋中的浮游生物提供的,鯊魚一旦滅絕,沒有了天敵控制的其它海洋生物就會大量吞噬海洋浮游生物,造成地球的缺氧。海洋是地球上最重要的生態系統,起到調節氣候和為其它生物提供食物的作用,因此拯救鯊魚其實就是在拯救人類自己。Savingthesharksissavingourselves!Protectingthesharksisprotectingourselves!

Scanning尋讀Para3.Howtosavethesharks.1.Whatarethenamesofthetwoenvironmentalprotectiongroups?2.Whathavepeopledoneagainst(反對)finning1.teachthepublicabout

finning.獵鰭、割鰭行為2.askgovernmentstodeveloplawstostopthesaleofsharkfins.A:培養B:壯大C:完善

Scanning尋讀Para3.

=or3.Issharkfinsoupgoodforhealth?Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.A:科學的B:理論的Sowhyeatthem?中考鏈接anumberofthenumberof相同點:后都加名詞復數不同點:anumberof+名復,意為許多;做主語是復數。thenumberof+名復,意為......的數量,做主語是單數。Anumberof_________(student)________(have)anEnglishclassnow.Thenumberof_______(it/they)________(be)about45.中考鏈接nolonger/not....anylonger意為不再nolonger通常位于實義動詞之前,be動詞、助動詞或情態動詞之后。not...anylonger中的anylonger總是放在句末。nolonger與not...anylonger可以互換She_____________likesdancing.(同義句)She_______likedancing___________.她不再喜歡跳舞了。中考鏈接beharmfulto對……有害bebadfor對……有害e.g.吸煙有害健康。電腦游戲玩太多對學生有害。(翻譯)Smokingthehealth.Playingcomputergamesmuch_____students.定義:表示說話時(瞬間)正在進行的動作,也表示目前或現階段正在進行的動作。結構:be(am/is/are)+v.-ing標志詞:Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.2.usedtodo

usedtodosth.表示過去常常做某事,而現在往往不做了,后接動詞原形。e.g.Iusedtogetupatsixo’clock.beusedtodoingsth.表示習慣于做某事Joeisusedtodrinkingacupofcoffeeeverymorning.1.現在進行時:PresentProgressive3.被動語態:Passivevoice定義:表示主語是動作的承受者,即行為動作的對象的一種語態。結構:be+過去分詞e.g.Ourclassroomiscleanedeveryday.4.現在完成時:PresentPerfect定義:表示動作已經完成,但對現在造成影響;或者表示從過去某一時間開始一直延續到現在并還可能持續下去的動作。結構:has/have+過去分詞標志詞:already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.情態動詞本身有一定的詞義,表示說話人的情緒、態度或語氣,但不能單獨作謂語,只能與其他動詞構成謂語。常見的有:can(could),may(might),must,need,shall(should),will(would)等。2.情態動詞無人稱和數的變化,后接動詞原形。否定式是在情態動詞后面加not。個別情態動詞有過去式形式,可用來表達更加客氣、委婉的語氣。

e.g.Kencanclimbupthetresslikeakoala.Youmustn’tplaywithfire.Itisdangerous.情態動詞4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever

____(have).Havetakenhelpedconsideredhadhad參加Joe:Howmanypeople____(take)part?Eric:I_____(think)morethan1,000people______(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Eric:Yes,wecan’taffordto____(wait)anylongertotakeaction!tookthinkcametryingwaitv.

承擔得起(后果);買得起affordtodosth.Wecan’taffordtobuyanotherhouse.4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____savemay/mightmustcancanwouldcouldhavetoshouldmustmay/mightsmallthings______addupandbecomebigthingsthat_________improvetheenvironment.Let’stakeactionnow!couldwould/can采取行動4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運輸);turnoffthelightswhe

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