Unit13 Section A 1a-3c人教版九年级英语2024-2025学年

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

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

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

减少，砍倒advantagen.优点；有利条件（反）disadvantage缺点2dRead2dandcompletethechart.ProblemsSolvingproblemsairpollutionwastepollutionWoodenchopsticksorplasticforksrubbishtakethebus,subwayorrideabikeinsteadofdriving.bringabagtogoshopping.usechopsticksorforksathome.throwrubbishinthebins.木头的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寻读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:残忍的B:有害的

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

atthetopofthefoodchainintheocean’secosystem浮游生物sharks

atthetopofthefoodchainintheocean’secosystem因为我们生存所需的氧气的70%是海洋中的浮游生物提供的，鲨鱼一旦灭绝，没有了天敌控制的其它海洋生物就会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态系统，起到调节气候和为其它生物提供食物的作用，因此拯救鲨鱼其实就是在拯救人类自己。Savingthesharksissavingourselves!Protectingthesharksisprotectingourselves!

Scanning寻读Para3.Howtosavethesharks.1.Whatarethenamesofthetwoenvironmentalprotectiongroups?2.Whathavepeopledoneagainst(反对）finning1.teachthepublicabout

finning.猎鳍、割鳍行为2.askgovernmentstodeveloplawstostopthesaleofsharkfins.A:培养B:壮大C：完善

Scanning寻读Para3.

=or3.Issharkfinsoupgoodforhealth?Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.A:科学的B:理论的Sowhyeatthem?中考链接anumberofthenumberof相同点：后都加名词复数不同点：anumberof+名复，意为许多；做主语是复数。thenumberof+名复，意为......的数量，做主语是单数。Anumberof_________(student)________(have)anEnglishclassnow.Thenumberof_______(it/they)________(be)about45.中考链接nolonger/not....anylonger意为不再nolonger通常位于实义动词之前，be动词、助动词或情态动词之后。not...anylonger中的anylonger总是放在句末。nolonger与not...anylonger可以互换She_____________likesdancing.（同义句）She_______likedancing___________.她不再喜欢跳舞了。中考链接beharmfulto对……有害bebadfor对……有害e.g.吸烟有害健康。电脑游戏玩太多对学生有害。(翻译)Smokingthehealth.Playingcomputergamesmuch_____students.定义：表示说话时(瞬间)正在进行的动作,也表示目前或现阶段正在进行的动作。结构:be(am/is/are)+v.-ing标志词：Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.2.usedtodo

usedtodosth.表示过去常常做某事,而现在往往不做了,后接动词原形。e.g.Iusedtogetupatsixo’clock.beusedtodoingsth.表示习惯于做某事Joeisusedtodrinkingacupofcoffeeeverymorning.1.现在进行时:PresentProgressive3.被动语态：Passivevoice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。结构：be+过去分词e.g.Ourclassroomiscleanedeveryday.4.现在完成时:PresentPerfect定义：表示动作已经完成,但对现在造成影响;或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。结构:has/have+过去分词标志词：already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.情态动词本身有一定的词义,表示说话人的情绪、态度或语气,但不能单独作谓语,只能与其他动词构成谓语。常见的有:can(could),may(might),must,need,shall(should),will(would)等。2.情态动词无人称和数的变化,后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式,可用来表达更加客气、委婉的语气。

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

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

承担得起(后果);买得起affordtodosth.Wecan’taffordtobuyanotherhouse.4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____savemay/mightmustcancanwouldcouldhavetoshouldmustmay/mightsmallthings______addupandbecomebigthingsthat_________improvetheenvironment.Let’stakeactionnow!couldwould/can采取行动4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通运输);turnoffthelightswhe