Unit13Unit13We'retryingtosavetheearth!SectionA23a-3bTranslation.1.甚至河底都滿是垃圾。2.這個(gè)鎮(zhèn)上的每個(gè)人都應(yīng)該參與清掃。Eventhebottomoftheriverwasfullofrubbish.Everyoneinthistownshouldplayapartincleaningitup.3.騎自行車有其它的優(yōu)點(diǎn)。4.我買外賣食品從來不拿木筷子和塑料叉子。Thereareotheradvantagesofbikeriding.InevertakewoodenchopsticksorplasticforkswhenIbuytakeawayfood.Theearthisbadlypolluted.Whatshouldwedotosavetheearth?Let’stakeaction(采取行動(dòng))Turnoffthelightswhenyouleavearoom.Recyclebooksandpaper.Takebusesinsteadofdrivingcars.Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!Savetheearth!Savetheanimals!Thezoosprovidehomesformanyendangeredanimals.1.Whatdoyouknowaboutsharks(鯊魚)?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.

科學(xué)上的，科學(xué)的1.Asharkcannolongerswimandslowlydies.鯊魚不能再游泳然后慢慢死掉。nolonger意思是“不再”,通常位于實(shí)義動(dòng)詞之前，助動(dòng)詞、情態(tài)動(dòng)詞或系動(dòng)詞之后。相當(dāng)于not…anylonger/not…anymore。e.g.

MrBrownnolongerworkshere.=MrBrowndoesn’tworkhereanylonger/anymore.【運(yùn)用】Ⅰ.完成句子，每空一詞。2013年3月，由于H7N9禽流感，白水鴨在南京不再受歡迎。Whiteducksare_________lovelyinNanjingbecauseofH7N9birdfluinMarch,2013.

(2013新疆烏魯木齊)Ⅱ.改為同義句。Joenolongerlikesdancing._______________________________________nolongerJoedoesn’tlikedancinganylonger/anymore.2.Thismethodis

notonlycruel,butalso

harmful

totheenvironment.

這種方法不但殘忍而且對(duì)環(huán)境有害。1)notonly…butalso…用于連接兩個(gè)表示并列關(guān)系的成分，著重強(qiáng)調(diào)后者，其意為“不僅……而且……”;其中的also有時(shí)可以省略。e.g.Shenotonlyplayswell,butalso

writesmusic.

她不但很會(huì)演奏，而且還會(huì)作曲。Notonly

doesmysistersingwell,butshedanceswell.我姐姐不但歌唱得好，而且舞也跳得好。Notonlythestudentsbutalsotheteacherisworkinghard.不僅學(xué)生們?cè)谂?，而且那位老師也在努力?/p>

當(dāng)notonly置于句首時(shí)，常用_________。

notonly...butalso...連接兩個(gè)主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞需與_____那個(gè)主語(yǔ)在人稱和數(shù)上保持一致。倒裝語(yǔ)序后面【運(yùn)用】同義句轉(zhuǎn)換，每空一詞。(1)SheandIhavealreadybeentoBeijing.________she________IhavealreadybeentoBeijing.(2)Helikestoswimandhewantstoteachthekidstoswim,too.Notonly__________toswim,____hewantstoteachthekidstoswim.Notonlybutalsodoeshelikebut(3)Thetwinswerelatethismorning.Samwaslatethismorning,too.

Notonlythetwins________Sam____latethismorning.________Sambutalsothetwins_____latethismorning.butalsowasNotonlywere2)beharmfulto對(duì)……有害e.g.Smokingisharmfultothehealth.

吸煙有害健康。

Playingcomputergamesmuchisharmfultostudents.

電腦游戲玩太多對(duì)學(xué)生有害。3.Sharksareatthetopofthefoodchainintheocean’secosystem.

鯊魚位于海洋生物系統(tǒng)食物鏈的頂部。atthetopof在……最高地位;用最高[最大]的(速度,聲音等)e.g.Heshoutedatthetopofhisvoiceinorderthathemightbeheard.

他盡力大聲叫喊,以便別人能聽見。4.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.

如果它們的數(shù)目降至過低，會(huì)給所有海洋生物帶來危險(xiǎn)。此句復(fù)數(shù)形式的numbers表達(dá)全海洋中鯊魚的總量。Inthatcountry,thenumberofchildrengoingtoschoolis

higher

incitiesthanintownsandvillage.在那個(gè)國(guó)家，城市兒童入學(xué)人數(shù)比鄉(xiāng)鎮(zhèn)及農(nóng)村要高。當(dāng)表示數(shù)值的高或低時(shí)，number要用__________修飾。常與number搭配的動(dòng)詞有g(shù)row,fall等。

e.g.近來?yè)碛修I車的家庭數(shù)量增長(zhǎng)很快。________________________________________________________________________high或lowThenumberoffamiliesthatowncarshasbeengrowingquicklyrecently.Exercises1.這不僅殘忍，而且對(duì)環(huán)境有害。2.鯊魚在海洋系統(tǒng)中處于食物鏈的頂端。3.如果它們的數(shù)量降至過低，會(huì)給所有的海洋生物帶來危險(xiǎn)。Thisisnotonlycruel,butalsoharmfultotheenvironment.Sharksareatthetopofthefoodchainintheocean