2023学年完整公开课版九年级Unit13SectionA3

Unit13Unit13We'retryingtosavetheearth!SectionA23a-3bTranslation.1.甚至河底都满是垃圾。2.这个镇上的每个人都应该参与清扫。Eventhebottomoftheriverwasfullofrubbish.Everyoneinthistownshouldplayapartincleaningitup.3.骑自行车有其它的优点。4.我买外卖食品从来不拿木筷子和塑料叉子。Thereareotheradvantagesofbikeriding.InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction(采取行动)Turnoffthelightswhenyouleavearoom.Recyclebooksandpaper.Takebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Savetheearth!Savetheanimals!Thezoosprovidehomesformanyendangeredanimals.1.Whatdoyouknowaboutsharks(鲨鱼)?2.Doyouthinksharkscanbeendangered?Why?3.Whatdoyouthinkmightcauseafallinthenumberofsharks?WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearthenumbersofsomekindsofsharkshavefalleninthelast20to30yearsTwoenvironmentalgroupswhichareagainst“finning”southernChina70millionover90percentWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.Retellthepassageaccordingtothewordsbelow.sharkfinsoupinsouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudies3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientific

studiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.

科学上的，科学的1.Asharkcannolongerswimandslowlydies.鲨鱼不能再游泳然后慢慢死掉。nolonger意思是“不再”,通常位于实义动词之前，助动词、情态动词或系动词之后。相当于not…anylonger/not…anymore。e.g.

MrBrownnolongerworkshere.=MrBrowndoesn’tworkhereanylonger/anymore.【运用】Ⅰ.完成句子，每空一词。2013年3月，由于H7N9禽流感，白水鸭在南京不再受欢迎。Whiteducksare_________lovelyinNanjingbecauseofH7N9birdfluinMarch,2013.

(2013新疆乌鲁木齐)Ⅱ.改为同义句。Joenolongerlikesdancing._______________________________________nolongerJoedoesn’tlikedancinganylonger/anymore.2.Thismethodis

notonlycruel,butalso

harmful

totheenvironment.

这种方法不但残忍而且对环境有害。1)notonly…butalso…用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”;其中的also有时可以省略。e.g.Shenotonlyplayswell,butalso

writesmusic.

她不但很会演奏，而且还会作曲。Notonly

doesmysistersingwell,butshedanceswell.我姐姐不但歌唱得好，而且舞也跳得好。Notonlythestudentsbutalsotheteacherisworkinghard.不仅学生们在努力，而且那位老师也在努力。

当notonly置于句首时，常用_________。

notonly...butalso...连接两个主语时，谓语动词需与_____那个主语在人称和数上保持一致。倒装语序后面【运用】同义句转换，每空一词。(1)SheandIhavealreadybeentoBeijing.________she________IhavealreadybeentoBeijing.(2)Helikestoswimandhewantstoteachthekidstoswim,too.Notonly__________toswim,____hewantstoteachthekidstoswim.Notonlybutalsodoeshelikebut(3)Thetwinswerelatethismorning.Samwaslatethismorning,too.

Notonlythetwins________Sam____latethismorning.________Sambutalsothetwins_____latethismorning.butalsowasNotonlywere2)beharmfulto对……有害e.g.Smokingisharmfultothehealth.

吸烟有害健康。

Playingcomputergamesmuchisharmfultostudents.

电脑游戏玩太多对学生有害。3.Sharksareatthetopofthefoodchainintheocean’secosystem.

鲨鱼位于海洋生物系统食物链的顶部。atthetopof在……最高地位;用最高[最大]的(速度,声音等)e.g.Heshoutedatthetopofhisvoiceinorderthathemightbeheard.

他尽力大声叫喊,以便别人能听见。4.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.

如果它们的数目降至过低，会给所有海洋生物带来危险。此句复数形式的numbers表达全海洋中鲨鱼的总量。Inthatcountry,thenumberofchildrengoingtoschoolis

higher

incitiesthanintownsandvillage.在那个国家，城市儿童入学人数比乡镇及农村要高。当表示数值的高或低时，number要用__________修饰。常与number搭配的动词有grow,fall等。

e.g.近来拥有轿车的家庭数量增长很快。________________________________________________________________________high或lowThenumberoffamiliesthatowncarshasbeengrowingquicklyrecently.Exercises1.这不仅残忍，而且对环境有害。2.鲨鱼在海洋系统中处于食物链的顶端。3.如果它们的数量降至过低，会给所有的海洋生物带来危险。Thisisnotonlycruel,butalsoharmfultotheenvironment.Sharksareatthetopofthefoodchainintheocean