九年級下冊英語第13單元Section-A-2課件

Unit13We’retryingtosavetheearth.SectionA3a-4cUnit13We’retryingtoSection學(xué)習(xí)目標(biāo)

Keywords&phrases:method，cruel，harmful，industry，law，afford，takepartin，turnoff，payforKeysentences:1.We'retryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.學(xué)習(xí)目標(biāo)Keywords&phrases:新課導(dǎo)入新課導(dǎo)入Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!

Savetheearth!Savetheanimals!TherearesomeanimalsareendThezoosprovidehomesformanyendangeredanimals.Thezoosprovidehomesforman1.Haveyoueverseenashark（鯊魚）?2.Whatdoyouknowaboutsharks?Discusswithyourpartner:1.HaveyoueverseenDiscuss課文展現(xiàn)課文展現(xiàn)WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.Wheresharkfinsoupispopula3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3bReadthepassageagainandf3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientific

studiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.

科學(xué)上的，科學(xué)的3.ManythinkthatsharksareRetellthepassageaccordingtothewordsbelow.sharkfinsoupinsouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesRetellthepassageaccordingtLanguagepointsLanguagepoints1.Asharkcannolongerswimandslowlydies.鯊魚不能再游泳然后慢慢死掉。nolonger意思是“不再”e.g.

I’mnolongerastudent.

我不再是個學(xué)生了。有兩個短語和nolonger同義，即not…anylonger和not…anymore，但他們側(cè)重的方面不同。1.Asharkcannolongerswimnolonger和not…anylonger側(cè)重時間。

e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.

他不在這兒居住了。(一個時間以前他住在這兒，過了這個時間，他就離開了。)not…anymore側(cè)重程度和數(shù)量e.g.Youcandrinknomore.=Youcan’tdrinkanymore.

你不能再喝了。(喝酒的量到了一定程度，不能再繼續(xù)下去了。)nolonger和not…anylonger側(cè)重時間。2.Thismethodisnotonlycruel,butalso

harmfultotheenvironment.

這種方法不但殘忍而且對環(huán)境有害。notonly…butalso…用于連接兩個表示并列關(guān)系的成分，著重強調(diào)后者，其意為“不僅……而且……”;其中的also有時可以省略。2.Thismethodisnotonlycrue.g.Shenotonlyplayswell,butalsowritesmusic.

她不但很會演奏，而且還會作曲。

Notonlymenbutalsowomenwerechosen.

不僅僅是男的，女的也有被選中的。e.g.Shenotonlyplayswell,若連接兩個成分作主語，其謂語通常與靠近的主語保持一致。e.g.Notonlyyoubutalsohehastoleave.

不只是你，他也得離開。

notonly放在句首，后接句子時要用倒裝結(jié)構(gòu)。e.g.Notonly

hadthepoormanbeenfined,butalsohehadbeensenttoprison.

這個可憐的人不僅被罰款，而且還被送進了監(jiān)獄。

若連接兩個成分作主語，其謂語通常與靠近的主語保持一致。notbeharmfulto對……有害e.g.Smokingisharmfultothehealth.

吸煙有害健康。

Playingcomputergamesmuchisharmfultostudents.

電腦游戲玩太多對學(xué)生有害。beharmfulto對……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.Ilookedatthetopofhishead,hishairshinyandpartedsmoothly.

我看他的頭頂,頭發(fā)閃亮且平滑的分開。3.SharksareatthetopofthHeshoutedatthetopofhisvoiceinorderthathemightbeheard.他盡力大聲叫喊,以便別人能聽見。Heshoutedatthetopofhisv4.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.

如果它們的數(shù)目降至過低，會給所有海洋生物帶來危險。此句復(fù)數(shù)形式的numbers表達(dá)全海洋中鯊魚的總量。當(dāng)表示數(shù)值的高或低時，number要用high或low修飾。4.Iftheirnumbersdroptoole.g.Inthatcountry,thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage.

在那個國家，城市兒童入學(xué)人數(shù)比鄉(xiāng)鎮(zhèn)及農(nóng)村要高。常與number搭配的動詞有g(shù)row,fall等。e.g.Thenumberoffamiliesthatowncars

hasbeengrowingquicklyrecently.

近來擁有轎車的家庭數(shù)量增長很快。e.g.Inthatcountry,thenumb5.Environmentprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.

世界各地的環(huán)境保護組織，如野生救援協(xié)會和世界自然基金會，都在教育公眾有關(guān)“獵翅”的行為。1)句中fin本為名詞，指“魚鰭”。此句中的

finning由動詞化的fin（割鯊魚鰭以獲取魚翅）的-ing形式轉(zhuǎn)化而成，指課文中所陳述的“獵翅”這一行為。5.Environmentprotectiongrou2)WildAid和WWF組織

WildAid（美國野生救援協(xié)會）是保護野生動物及棲息地環(huán)境的一個非盈利性的機構(gòu)，1999年注冊成立，其宗旨是保護及救助世界范圍內(nèi)的野生動物；WWF（世界自然基金會）英文全稱為WorldWideFundforNature，成立于1961年，是享有國際盛譽，全球最大的獨立性非政府環(huán)境保護組織之一。2)WildAid和WWF組織Payattentiontothesentences.1.We’re

tryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.4.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.5.Weshouldhelpsavethesharks.PresentprogressiveusedtoPassivevoicePresentperfectGrammarFocusModalverbsPayattentiontothesentences現(xiàn)在進行時:PresentProgressive結(jié)構(gòu):be(am/is/are)+v.-ing標(biāo)志詞：Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.定義：表示說話時(瞬間)正在進行的動作,也表示目前或現(xiàn)階段正在進行的動作?，F(xiàn)在進行時:PresentProgressive結(jié)構(gòu):Whatafinedaytoday!Look!Whataretheydoing?ExerciseWhatafinedaytoday!Exercisusedtodosth.表示過去常常做某事,而現(xiàn)在往往不做了,后接動詞原形。beusedtodoingsth.表示習(xí)慣于做某事e.g.Iusedto

getupatsixo’clock.Joeisusedtodrinkingacupofcoffeeeverymorning.usedtodo與beusedtodoingusedtodosth.表示過去常常做某事,而現(xiàn)Translation.1.她過去常常周末和朋友閑逛。

Sheusedtohangoutwithfriendsonweekends.2.他習(xí)慣于每天晚上睡得很晚。

Heisusedtostayingup.ExerciseTranslation.Exercise被動語態(tài)：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(tài)。結(jié)構(gòu)：be+過去分詞e.g.Anewschoolwasbuiltlastyear.

Ourclassroomiscleanedeveryday.被動語態(tài)：Passivevoice定義：表示主語是動作的承TranslatethesentencesbyusingPassivevoice.1.剛才一些老年人參觀了博物館。2.工人們使用不同種類的機器工作。Themuseumwasvisitedbysomeoldpeoplejustnow.Differentkindsofmachinesareusedtoworkbytheworkers.ExerciseTranslatethesentencesbyusi結(jié)構(gòu):has/have+過去分詞標(biāo)志詞：already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.定義：表示動作已經(jīng)完成,但對現(xiàn)在造成影響;或者表示從過去某一時間開始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動作?，F(xiàn)在完成時:PresentPerfect結(jié)構(gòu):has/have+過去分詞定義：表示動作已經(jīng)完Completethefollowingsentences.I_________(be)inBeijingfortwoyears.2.I_____never_____(hear)ofthatmanbefore.3.Tom__________(work)theresincetwoyearsago.havebeenhaveheardhasworkedExerciseCompletethefollowingsentenc4.Thetwins___________(wash)theclothesforanhour.5.He_________(play)basketballsincethreeyearsago.6.Howlong____Sally_____(sing)yet?havewashedhasplayedhassung4.Thetwins___________(wash1.情態(tài)動詞本身有一定的詞義,表示說話人的情緒、態(tài)度或語氣,但不能單獨作謂語,只能與其他動詞構(gòu)成謂語。常見的有:can(could),may(might),must,need,shall(should),will(would)等。情態(tài)動詞1.情態(tài)動詞本身有一定的詞義,表示說話人的情緒、態(tài)度或語2.情態(tài)動詞無人稱和數(shù)的變化,后接動詞原形。否定式是在情態(tài)動詞后面加not。個別情態(tài)動詞有過去式形式,可用來表達(dá)更加客氣、委婉的語氣。

e.g.Kencanclimbupthetresslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustn’tplaywithfire.Itisdangerous.2.情態(tài)動詞無人稱和數(shù)的變化,后接動詞原形。否定式是在情Translation.1.我們不能在教室里吃東西。2.首先你必須完成作業(yè)。3.他現(xiàn)在不可能在家。4.她一定知道這個問題的答案。ExerciseWecan’teatintheclassroom.

Youmustfinishyourhomeworkfirst.Hecan’tbeathomenow.

Shemustknowtheanswertothisquestion.Translation.ExerciseWecan’te4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever____(have).Havetakenhelpedconsideredhadhad參加4aFillintheblankswiththeJoe: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(dān)得起(后果);買得起Joe:Howmanypeople____(tak4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____savemay/mightmustcancanwouldcouldhavetoshouldmustmay/might4bFillintheblankswiththeelectricitybyturningoffthelightswhenyouleavearoom.You______alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you__________rideyourbikeorwalk.Ifit’sfar,you__________takethebus.Allthese

couldhavetocan/shouldcan/could關(guān)掉adj.可重復(fù)使用的付費;付出代價electricitybyturningoffthesmallthings______addupandbecomebigthingsthat_________improvetheenvironment.Let’stakeactionnow!couldwould/can采取行動smallthings______addupand4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運輸);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(餐巾紙);recyclebooksandpaper…4cMakealistofthingsthatpDiscussionIthinkthateveryoneshouldusepublictransportation.Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…DiscussionIthinkthateveryon口頭作業(yè)(Oralwork)熟讀課文Unit13SectionA3a

書面作業(yè)(Writingwork)學(xué)練優(yōu)Unit13SectionA第二課時Homework口頭作業(yè)(Oralwork)HomeworkThankyou,everyone!Bye-ByeThankyou,everyone!Bye-ByeUnit13We’retryingtosavetheearth.SectionA3a-4cUnit13We’retryingtoSection學(xué)習(xí)目標(biāo)

Keywords&phrases:method，cruel，harmful，industry，law，afford，takepartin，turnoff，payforKeysentences:1.We'retryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.學(xué)習(xí)目標(biāo)Keywords&phrases:新課導(dǎo)入新課導(dǎo)入Therearesomeanimalsareendangered.Weshoulddosomethingtoprotecttheanimalsandtheenvironment!

Savetheearth!Savetheanimals!TherearesomeanimalsareendThezoosprovidehomesformanyendangeredanimals.Thezoosprovidehomesforman1.Haveyoueverseenashark（鯊魚）?2.Whatdoyouknowaboutsharks?Discusswithyourpartner:1.HaveyoueverseenDiscuss課文展現(xiàn)課文展現(xiàn)WheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgovernmentcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWF3aReadthepassageaboutsharksandcompletethefactsheetbelow.Wheresharkfinsoupispopula3bReadthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhenManypeopledonotrealizetheyarekillingawholeshark______theyenjoyabowlofsharkfinsoup.2.Sharksareatthetopofthefoodchain,____iftheirnumbersdrop,theocean’secosystemwillbeindanger.whenso3bReadthepassageagainandf3.Manythinkthatsharksaretoostrongtobeendangered,_____theyarewrong.4._________therearenoscientific

studiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday___wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifadj.

科學(xué)上的，科學(xué)的3.ManythinkthatsharksareRetellthepassageaccordingtothewordsbelow.sharkfinsoupinsouthernChinaeachtimecutoffnolongernotonly…butalso…atthetopdropbeendangeredthestrongestaround70millionfallenbyover90percentWildAidandtheWWFdeveloplawsscientificstudiesRetellthepassageaccordingtLanguagepointsLanguagepoints1.Asharkcannolongerswimandslowlydies.鯊魚不能再游泳然后慢慢死掉。nolonger意思是“不再”e.g.

I’mnolongerastudent.

我不再是個學(xué)生了。有兩個短語和nolonger同義，即not…anylonger和not…anymore，但他們側(cè)重的方面不同。1.Asharkcannolongerswimnolonger和not…anylonger側(cè)重時間。

e.g.Henolongerliveshere.=Hedoesn’tlivehereanylonger.

他不在這兒居住了。(一個時間以前他住在這兒，過了這個時間，他就離開了。)not…anymore側(cè)重程度和數(shù)量e.g.Youcandrinknomore.=Youcan’tdrinkanymore.

你不能再喝了。(喝酒的量到了一定程度，不能再繼續(xù)下去了。)nolonger和not…anylonger側(cè)重時間。2.Thismethodisnotonlycruel,butalso

harmfultotheenvironment.

這種方法不但殘忍而且對環(huán)境有害。notonly…butalso…用于連接兩個表示并列關(guān)系的成分，著重強調(diào)后者，其意為“不僅……而且……”;其中的also有時可以省略。2.Thismethodisnotonlycrue.g.Shenotonlyplayswell,butalsowritesmusic.

她不但很會演奏，而且還會作曲。

Notonlymenbutalsowomenwerechosen.

不僅僅是男的，女的也有被選中的。e.g.Shenotonlyplayswell,若連接兩個成分作主語，其謂語通常與靠近的主語保持一致。e.g.Notonlyyoubutalsohehastoleave.

不只是你，他也得離開。

notonly放在句首，后接句子時要用倒裝結(jié)構(gòu)。e.g.Notonly

hadthepoormanbeenfined,butalsohehadbeensenttoprison.

這個可憐的人不僅被罰款，而且還被送進了監(jiān)獄。

若連接兩個成分作主語，其謂語通常與靠近的主語保持一致。notbeharmfulto對……有害e.g.Smokingisharmfultothehealth.

吸煙有害健康。

Playingcomputergamesmuchisharmfultostudents.

電腦游戲玩太多對學(xué)生有害。beharmfulto對……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.Ilookedatthetopofhishead,hishairshinyandpartedsmoothly.

我看他的頭頂,頭發(fā)閃亮且平滑的分開。3.SharksareatthetopofthHeshoutedatthetopofhisvoiceinorderthathemightbeheard.他盡力大聲叫喊,以便別人能聽見。Heshoutedatthetopofhisv4.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.

如果它們的數(shù)目降至過低，會給所有海洋生物帶來危險。此句復(fù)數(shù)形式的numbers表達(dá)全海洋中鯊魚的總量。當(dāng)表示數(shù)值的高或低時，number要用high或low修飾。4.Iftheirnumbersdroptoole.g.Inthatcountry,thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage.

在那個國家，城市兒童入學(xué)人數(shù)比鄉(xiāng)鎮(zhèn)及農(nóng)村要高。常與number搭配的動詞有g(shù)row,fall等。e.g.Thenumberoffamiliesthatowncars

hasbeengrowingquicklyrecently.

近來擁有轎車的家庭數(shù)量增長很快。e.g.Inthatcountry,thenumb5.Environmentprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.

世界各地的環(huán)境保護組織，如野生救援協(xié)會和世界自然基金會，都在教育公眾有關(guān)“獵翅”的行為。1)句中fin本為名詞，指“魚鰭”。此句中的

finning由動詞化的fin（割鯊魚鰭以獲取魚翅）的-ing形式轉(zhuǎn)化而成，指課文中所陳述的“獵翅”這一行為。5.Environmentprotectiongrou2)WildAid和WWF組織

WildAid（美國野生救援協(xié)會）是保護野生動物及棲息地環(huán)境的一個非盈利性的機構(gòu)，1999年注冊成立，其宗旨是保護及救助世界范圍內(nèi)的野生動物；WWF（世界自然基金會）英文全稱為WorldWideFundforNature，成立于1961年，是享有國際盛譽，全球最大的獨立性非政府環(huán)境保護組織之一。2)WildAid和WWF組織Payattentiontothesentences.1.We’re

tryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.4.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.5.Weshouldhelpsavethesharks.PresentprogressiveusedtoPassivevoicePresentperfectGrammarFocusModalverbsPayattentiontothesentences現(xiàn)在進行時:PresentProgressive結(jié)構(gòu):be(am/is/are)+v.-ing標(biāo)志詞：Look,Listen,now,rightnow…e.g.Look!Theboyiscrying.定義：表示說話時(瞬間)正在進行的動作,也表示目前或現(xiàn)階段正在進行的動作?，F(xiàn)在進行時:PresentProgressive結(jié)構(gòu):Whatafinedaytoday!Look!Whataretheydoing?ExerciseWhatafinedaytoday!Exercisusedtodosth.表示過去常常做某事,而現(xiàn)在往往不做了,后接動詞原形。beusedtodoingsth.表示習(xí)慣于做某事e.g.Iusedto

getupatsixo’clock.Joeisusedtodrinkingacupofcoffeeeverymorning.usedtodo與beusedtodoingusedtodosth.表示過去常常做某事,而現(xiàn)Translation.1.她過去常常周末和朋友閑逛。

Sheusedtohangoutwithfriendsonweekends.2.他習(xí)慣于每天晚上睡得很晚。

Heisusedtostayingup.ExerciseTranslation.Exercise被動語態(tài)：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(tài)。結(jié)構(gòu)：be+過去分詞e.g.Anewschoolwasbuiltlastyear.

Ourclassroomiscleanedeveryday.被動語態(tài)：Passivevoice定義：表示主語是動作的承TranslatethesentencesbyusingPassivevoice.1.剛才一些老年人參觀了博物館。2.工人們使用不同種類的機器工作。Themuseumwasvisitedbysomeoldpeoplejustnow.Differentkindsofmachinesareusedtoworkbytheworkers.ExerciseTranslatethesentencesbyusi結(jié)構(gòu):has/have+過去分詞標(biāo)志詞：already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.定義：表示動作已經(jīng)完成,但對現(xiàn)在造成影響;或者表示從過去某一時間開始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動作?，F(xiàn)在完成時:PresentPerfect結(jié)構(gòu):has/have+過去分詞定義：表示動作已經(jīng)完Completethefollowingsentences.I_________(be)inBeijingfortwoyears.2.I_____never_____(hear)ofthatmanbefore.3.Tom__________(work)theresincetwoyearsago.havebeenhaveheardhasworkedExerciseCompletethefollowingsentenc4.Thetwins___________(wash)theclothesforanhour.5.He_________(play)basketballsincethreeyearsago.6.Howlong____Sally_____(sing)yet?havewashedhasplayedhassung4.Thetwins___________(wash1.情態(tài)動詞本身有一定的詞義,表示說話人的情緒、態(tài)度或語氣,但不能單獨作謂語,只能與其他動詞構(gòu)成謂語。常見的有:can(could),may(might),must,need,shall(should),will(would)等。情態(tài)動詞1.情態(tài)動詞本身有一定的詞義,表示說話人的情緒、態(tài)度或語2.情態(tài)動詞無人稱和數(shù)的變化,后接動詞原形。否定式是在情態(tài)動詞后面加not。個別情態(tài)動詞有過去式形式,可用來表達(dá)更加客氣、委婉的語氣。

e.g.Kencanclimbupthetresslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustn’tplaywithfire.Itisdangerous.2.情態(tài)動詞無人稱和數(shù)的變化,后接動詞原形。否定式是在情Translation.1.我們不能在教室里吃東西。2.首先你必須完成作業(yè)。3.他現(xiàn)在不可能在家。4.她一定知道這個問題的答案。ExerciseWecan’teatintheclassroom.

Youmustfinishyourhomeworkfirst.Hecan’tbeathomenow.

Shemustknowtheanswertothisquestion.Translation.ExerciseWecan’te4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever____