專題11 9BU1-U4一輪復(fù)習(xí)-2023年江蘇中考英語一輪復(fù)習(xí)（牛津譯林版）

專題119BU1-U4一輪復(fù)習(xí)9BUnit1知識點知識點1：It’stiringtoclimbthestepsandmyfeethurt.tiring:adj.使人疲勞的，累人的。用來修飾事物?！纠洹緾limbingthestepsistiring.betiredof……對……感到厭倦;tireout使精疲力竭（tiresbout）過去分詞tired:adj.勞累的，疲倦的。用來修飾人。【例句】Aftertwodays’work,I’mtirednow.hurt:此處用作不及物動詞，表示“感到疼痛；疼痛”，應(yīng)用感到疼痛的具體部位作主語?！纠洹縎hewantedtoseethedoctorbecauseherbackhurt.hurt還可用作及物動詞，表示“傷害（感情）；使受傷”，常表示肉體上、感情上或精神上受到傷害。【例句】Myyoungerbrotherfelloffthebikeandhurthimself.辨析：hurt,injure,與woundhurt常指（小刀等）弄傷；（語言等）傷害injure(在車禍等事故中)受傷wound(在戰(zhàn)斗中)負傷Ihurtmyfingeryesterday.Theboyinjuredhisleginthetrafficaccident.Tensoldierswoundedinthebattle.知識點2：We’dbetterkeepmoving.we’dbetter是wehadbetter的縮寫形式。hadbetter意為“最好”。hadbetterdosth.“最好做某事”，是向他人提建議的常用結(jié)構(gòu)，better后接動詞原形，此結(jié)構(gòu)無人稱和數(shù)的變化，其否定式為hadbetternotdosth.【例句】We’dbettergothereearlier.You’dbettercatchabus.【例題】Youlooktired.You’dbetter__A__agoodrest.A.stoptohaveB.stophavingC.tostoptohaveD.tostophavingkeepmoving,“繼續(xù)前行”。keepdoingsth“繼續(xù)（重復(fù)）做某事”，也可寫作keepondoingsth.【例句】Keepsmiling!Don’tkeeponaskingmethesamequestion.【拓展】keepsbfromdoingsth.意為“阻止某人做某事”，注意：from不可省略。與stop/preventsb（from）doingsth同義，此處from可省略?！纠洹縒eshouldkeepfromteenagersfromsmoking.知識點3：Wakemeuponyourwayback.onone’s/theway意為“在……的途中”，是固定短語。其后若接地點名詞時，應(yīng)用onone’s/thewayto……，意為“在某人去……的路上/在去……的路上”?！纠洹縊nmywaytoschool,Imetanoldfriendofmine.【拓展】如果后面是here,there,home等副詞，則省略to.【例句】Onthewayhome,Ifoundawallet.【拓展】與way有關(guān)的其他短語：inthisway;intheway;bytheway;alltheway;inaway知識點4：I’mplanningtotravelaroundChina.plan(planning,planned,planned)此處用作動詞，意為“計劃，打算”。plantodosth“計劃做某事”【例句】TomplannedtotravelaroundEurope.【拓展】plan還可以用做可數(shù)名詞“計劃”，makeplans/aplanforsth為……制定計劃?！纠洹縃aveyoumadeplansforyourweekend?知識點5：Sinceyou’reinBeijingnow,whydon’tyoustartfromhere?1.since此處用作連詞，意為“”由于；因為，引導(dǎo)原因狀語從句，注意：since不能用于回答why引導(dǎo)的特殊疑問句。【例句】Sinceheinvitedus,weshouldtakepartintheparty.【拓展】(1)since還可以用作介詞，意為“自……以后”，其后接“過去時間點”或“一段時間+ago”用于現(xiàn)在完成時或過去完成時的句子中。【例句】We'velivedheresince1998.He’dbeenoffsince3yearsago.since還可以用作連詞，意為“自……以后；自……以來”，后接一般過去時態(tài)的句子。【例句】Ihaven’tseenhimsinceheleftschool.It’sfiveminutessincethefilmbegan.“Whydon’tyou+動詞原形”？常用來提出自己的建議，意為“你為何不……呢？”相當(dāng)于“Whynot+動詞原形？”【例句】Whydon’tyouhaveacupofcoffee?=Whynothaveacupofcoffee?【例題】---Ihearthere’sagoodFrenchrestaurantnearby.Whynot__A__thereforlunch？---Yeah,let’sgo.A.goB.goingC.togo知識點6：ChinaoperaisakindoftraditionalChineseart,andBeijingoperaisoneofthemostpopular.kind此處用作可數(shù)名詞，意為“種，類”?！纠洹縏hereareallkindsofclothesintheshop.【拓展】有關(guān)“kind”的詞組：akindof……一種……all/different/manykindsof……各種各樣的/不同種類的/許多種kindof=alittle/bit稍微，有點兒【拓展】(1)kind還可以用作形容詞，意為“仁慈的；和藹的；好意的；友善的”，常用在It’s+adj.+ofsb.todosth.句式中，用于描述人物的性格特征。【例句】It’sverykindofyoutohelpmesomuchwithmyEnglish.kind的名詞形式為kindness,意為“好意”。oneofthemostpopular意為“最受歡迎的（中國戲曲）之一”，此處popular之后省略了復(fù)數(shù)名詞Chineseoperas,為“oneofthe+形容詞的最高級+復(fù)數(shù)名詞”結(jié)構(gòu)，意為“……中最……的之一”?！纠}】---It’soneofthe__B__thingsintheworldtostaywithfriends.---Iagree.Italwaysmakesusrelaxed.worstB.happiestC.busiestD.hardestpopular形容詞，意為“受歡迎的；流行的”，可用作定語或表語，常構(gòu)成固定短語bepopularwith.【例句】Thesongispopularwithyoungpeople.知識點7：Youcangoandenjoyit.enjoy為及物動詞，意為“喜歡，享受……的樂趣”，后接名詞、代詞或動詞的ing形式?！纠洹縎omestudentsenjoyaskingquestionsinEnglish.【拓展】enjoyoneself意為“過得愉快，玩得高興”，相當(dāng)于haveagoodtime/havefun.【例題】MyoldneighborCharlesenjoys__C___photos.Healwaysgoesoutwithhiscamera.A.takeB.totakeC.takingD.took知識點8：Thankyouforyoursuggestions.thanksb.for……因……而感謝某人，for是介詞，其后接名詞、代詞或動詞的ing形式?！纠洹縏hanksforyourhelp.Thankyouforsendingmesoniceapresent.【例題】Thanksfor___C_mewithmyscience.A.helpB.tohelpC.helpingD.yourhelpsuggestion可數(shù)名詞，意為“建議”?！纠洹緾ouldyougivemesomesuggestionsonhowtolearnEnglish?【拓展】suggest動詞，意為“暗示，表示”，其后可接名詞或從句。還可意為“建議；提議”，其后可接名詞、代詞或動詞ing形式?！纠洹縃ispalefacesuggestsbadhealth.（暗示，表示）Myfriendsuggestedgoingforatrip.（建議）知識點9:InthemiddleoftheancientcityofBeijingisthePalaceMuseum,alsocalledtheForbiddenCity.inthemiddleof意為“在……的中間”。【例句】--Thereisaholeinthemiddleoftheroad.辨析：inthemiddleof與inthecenterof(1)inthemiddleof指“在……（時間、長度、過程等）的中間”，可用于談?wù)摃r間，如inthemiddleofnight;也可用于指狹長之物，如：inthemiddleoftheline.inthecenterof則強調(diào)“在中心，在中央”?！纠洹縄liveinthecenterofthecity.知識點10:TheemperorsoftheMingandQingdynastiesusedtolivethere.Usedtodosth.意為“過去常常做某事”，是固定結(jié)構(gòu)，其中used是動詞use的過去式?！纠洹縄usetoplayfootballafterschool.---Didyouusetolistentomusicbeforeclass?---No,Ididn’t.辨析：usedtodosth;beusedtodosth;與beusedtodoingsth.usedtodosth.意為“過去常常做某事”，指的是過去的習(xí)慣性動作，目的在于與現(xiàn)在形成對比?！纠洹縏hereusedtobemanydinosaursmillionsofyearsagoontheearth.beusedtodosth.意為“被用來做某事”，用來表示事物的用途，相當(dāng)于beusedfordoingsth.【例句】Penscanbeusedtowrite.=Penscanbeusedforwriting.beusedtodoingsth.意為“習(xí)慣于做某事”【例句】Theyareusedtowalkingaftersupper.【例題】Sheusedto_D___abustoschool,butnowsheisusedto____toschool.A.taking;walkB.take;walkC.taking;walkingD.take;walking知識點11:Withwonderfulbuildingsandarttreasuresinside,itiswellworthavisit.beworth意為“值得”，其后常接名詞或動詞-ing形式?！纠洹縄tcanbeworththeefforthowever.Thisideaiswellworthconsidering.知識點12:Manytouristsliketogatherthereearlyinthemorningtowatchtheraisingofthenationalflag.raising為不可數(shù)名詞，意為“升高；增加；提高”。Hepitchedintotheideaofraisingtaxes.【拓展】raise可用作及物動詞，意為“提高；收集；養(yǎng)育”。Sheraisedherheadandwentoutwithoutaword.Theoldmanoftenraisesmoneyforcharity.Mymotherwasanamazingwoman.Sheraisedfourofuskidsvirtuallysingle-handedly.知識點13:Itwasonceaniceplacefortheemperorstospendthesummer.spend(spent,spent)此處用作及物動詞，意為“度過”。常構(gòu)成固定搭配(1)spendtime(in)/money(on)doingsth.花費時間/金錢做某事;spendtime/moneyonsth.在某物上花費時間/金錢。注意句子的主語應(yīng)當(dāng)是sb.【例句】MyfatherspentthewholedayfishingonthebeachlastSunday.Hespent＄67onhisnewcoat.辨析：spend,pay,take,costspend(spent,spent)主語是sb.“花費”對象為時間/金錢spendtime(in)/money(on)doingsthspendtime/moneyonsthpay(paid,paid)主語是sb.“花費”對象為金錢pay(money)forsth.take(took,took)主語是it.“花費”對象為時間Ittakes/tooksb.sometimetodosthcost(cost,cost)主語是sth.“花費”對象為金錢Sth.cost(s)sb.somemoney【例題】Moststudentsspendtoomuchtime_A___computergames.A.playingB.playC.playsD.played知識點14:AnotherfamousattractionistheGreatWall.another在此處用作限定詞，意為“又一，再一”，泛指三者或三者以上的另一個。其后可接單數(shù)名詞、“of+復(fù)數(shù)名詞”或“基數(shù)詞+復(fù)數(shù)名詞”?！纠洹縒eneedanothercomputer.We’vestillgotanotherfortymilestogo.注意：another+基數(shù)詞+復(fù)數(shù)名詞=基數(shù)詞+more+復(fù)數(shù)名詞【例句】Iwanttoeatanothertwoapples.=Iwanttoeattwomoreapples.famous形容詞，意為“著名的，出名的”。同義詞：well-known.【例句】Sheisafamoussinger.【拓展】(1)befamousfor“以……著名”?！纠洹緾hinaisfamousfortheGreatWall.befamousas“以……（身份）著名”?！纠洹縔aoMingisfamousasabasketballplayer.知識點15:Itrunsforover6,000kilometersacrossnorthernChina,withwatchtowerseveryfewhundredmeters.across此處用作介詞，意為“橫過”?！纠洹縃ewalkedacrossthefield.辨析:across與through（這兩個詞均意為“穿過”，但是具體含義不同）across表示“橫穿；穿過”，著重指從物體表面的一邊到另一邊，也就是與說從物體的表面穿過，含義與on有關(guān)?！纠洹縏heyswamacrosstheriver.Through意為“穿過”，指從空間的一頭縱穿到另一頭，也就是說從物體的內(nèi)部空間穿過、穿越，含義與in有關(guān)?！纠洹縃ewentthroughtheforest.【例題】Beforethebridgewasbuilt___C___theriver,thevillagershadtotakeaboattotheotherside.A.inB.besideC.acrossD.Along9BUnit2知識點Hebecameinterestedinflyingwhenhetookhisfirstflightattheageofsix.become/beinterestedin對...感興趣近義詞組”take/haveaninterestin”interested/interesting/interest區(qū)別interested是形容詞，“感興趣的”，常作表語，主語是人，beinterestedin（doing）sth.對（做某事感興趣）。interesting是形容詞，“有趣的”，作表語或者定語，主語是物。interest是名詞，“興趣”，可作主語、賓語等，take/haveaninterestin對...感興趣。Armstrongjoinedthenavyin1949andservedasapilotforthreeyears.join此處作為及物動詞，“參加，加入”join/join(...)in/takepartinjoin指加入黨派、團體、人群等，成為其中一員takepartin側(cè)重參加群眾性、集體性活動并在其中起積極作用例：He__C___anEnglishclublastyearandhasimprovedhisEnglishatectedB.producedC.joinedD.receivedHeflewover1,100hoursandtestedalltypesofaircraft.alltypesof“各種類型的，形形色色的”Helikesalltypesofmusic.However,ontheirwaybacktotheEarth,thespacecraftbeganspinningoutofcontrol.onone’swaybackto...”在某人返回...的途中”onmywaytothesupermarket,Imetmybestfriend.outofcontrol“失去控制”Armstrongreceivedtheordertocuttheflightshort.cut...short“縮短”,還有“剪短”“中斷；突然停止”的意思I’llcutthelongstoryshort.HesuccessfullybroughtthespacecraftdownintothewesternPacificOcean.bringdown”使（飛機）降落”，還有“減少（價格），使跌落”，“打垮；擊敗”的意思western“向西的；西部的；西方的；西方國家的”常見方位形容詞：eastern;southern;northern;northeastern;northwestern;southeastern;southwesternOn20July1969,Armstrongbecamethefirstmantowalkonthemoon.thefirstonetodo第一個做某事的人Amyisalwaysthefirstonetogettoschool.TogetherwithBuzzAldrin,helandedthespacecraftApolloontheMoon.togetherwith”和...一起”謂語動詞與連詞前一部分的主語保持一致的連詞：with,togetherwith,alongwith,aswellas,besides,like,without,except(but0,including謂語動詞要與靠近的主語保持一致的連詞：either...or...,neither...nor...,notonly...butalso...等。Hesaidthefamouswords”onesmallstepfor(a)man,onegiantleapformankind”ashesteppedoutontotheMoon’ssurface.giant”巨大的，偉大的’leap”跳躍，躍升，激增”過去式及過去分詞：leapt，leapt或者leaped,leapedsteponto”步入，踏上”10.TheycollectedMoonrockstotakebacktotheEarthforfurtherresearch.Earth,名詞，“地球”，需加定冠詞“the”onearth“到底，究竟”，用于what，when等疑問詞之后；“世界上”，用于最高級之后，以加強語氣further“更遠的；更深一層的”，最高級：furthestfarther/further表距離時能互換，表“更進一步，更多，此外”等引申義時只能用furtherHewastheprideofthewholeworld.theprideof”...的驕傲”pride,名詞，自豪;驕傲beproudof”以..為自豪”proud形容詞，“驕傲的，自豪的”同義短語：takepridein12.apieceofpaperthatshowsyouareallowedtodosomethingbeallowedtodosth“被允許做某事”allowsbtodosth“允許某人做某事”turningroundandroundquicklyroundandround“旋轉(zhuǎn)不息的；一圈一圈地”Theearthturnsroundandround.sawpeopledieofhunger,sobeganresearchintohybridricedieof“因...而死”die不及物動詞，過去式、過去分詞都為died，現(xiàn)在分詞為dying.名詞形式為death,形容詞形式為dead。dieof/diefromdieof強調(diào)內(nèi)因，如疾病、年老、悲傷等。diefrom強調(diào)外因，如災(zāi)害、事故等。thisnewtypeofhybridricewasintroducedintotheUSAbeintroducedinto”被引入，傳入”PandashavebeenproducedintoothercountriesfromChina.9BUnit3知識點知識點1：Theycoulddodangerousjoblikeputtingoutfiresorworkingonhighbuildings.P37putout意思為“撲滅，熄滅”，當(dāng)人稱代詞做賓語時，代詞應(yīng)該放在中間。例：Thefirewasputoursoon.火很快被熄滅了。Sheputitoutatlast.最后她把它熄滅了。與put相關(guān)的短語：puton穿上；上演putup掛起，舉起；粘貼putaway把….收起來（放好）putoff推遲，延遲putdown把..放下來知識點2：IhavetobuyarobotsothatIcanhavemorefreetime……P38Sothat意思“便于，目的是”，引導(dǎo)目的狀語。常與情態(tài)動詞can/could/may/might連用，sothat也可以引導(dǎo)結(jié)果狀語從句。例：ItookataxisothatIcouldgetthereearlier.我乘坐一輛出租車以便早點到那兒。Hespokeloudlysothateveryonecouldhimclearly.他大聲說話，以便大家都能聽清楚。例題：Theteacheraskedmetoreadaloud__A____allthestudentscouldhearme.AsothatBforCbecauseDinorderto知識點3：Thatmadehimveryhappy.P38makesb+adj意思“使某人處于…（狀態(tài)）之中”，此處形容詞作賓語補足語。例：Wewilltryourbesttomaketheroomcleanandbeautiful.我們會盡力讓這個房間變得干凈漂亮。Don’tmakehimunhappy.別讓他不高興。makesb(not)dosth意思“讓某人（不）做某事”，make后跟不帶to的不定式作賓語補足語。例：Myparentsmakemestudyallday.我父母整天讓我學(xué)習(xí)。知識點4：WhileMr.Jiangwasatwork,therobotwoulddoallthehousework.P38atwork意思“在工作”，介詞at具有“正在進行，從事…”的含義，表示處于某種狀態(tài)之中。其結(jié)構(gòu)為“介詞+名詞”。類似的用法：atschool在上學(xué)onbusiness在出差onholiday在度假inclass在上課知識點5：Afterdinner,therobotwouldtidyup.P38tidyup意思“收拾，整理”，當(dāng)人稱代詞做賓語時，代詞應(yīng)該放在中間。例：Pleasetidyupyourbooks.請把你的書收拾起來。Yourbedroomisverydirty.Whynottidyitup.你的臥室很臟，為什么不收拾一下。知識點6：ThatallowedMr.Jiangtodowhateverheliked.P38allowsbtodosth.“允許某人做某事”被動語態(tài)：beallowedtodosth例：Myparentsdon’tallowmetogooutatnight.我父母不允許我晚上出去。Wearenotallowedtoeatintheclassroom.不準(zhǔn)我們在教室里吃東西。allowdoingsth“允許做某事”，allow后面不可以直接加動詞不定式作賓語。例：Dotheyallowsmokingintheshop?他們允許在商店里吸煙嗎?Wedon’tallowdrivinginthepool.我們不允許在游泳池內(nèi)跳水。知識點7:ItseemedthatingeneraltherobotsatisfiedMr.Jiang’sneeds.P39Itseems/seemedthat+從句“似乎….”例：Itseemedthatheatesourapples.似乎他吃了酸蘋果。Itseemsthathehasalotoffriends.似乎他有很多朋友。拓展：seem+動詞不定式常與Itseemsthat…句型轉(zhuǎn)換。Heseemstohavealotoffriends.似乎他有很多朋友。seem(tobe)+adj似乎，看來Heseems(tobe)happy.他好像很開心。2）ingeneral總的來說，大體上例：Ingeneral,yourspeechisgood.總的來說，你的演講很好。Ingeneral,it’sagoodplacetovisit.總的來說，那是個游覽的好地方。3）satisfy動詞使…滿意滿足Parentsalwaystrytosatisfytheirchildren’sneeds.父母總是盡力滿足孩子的需求。Thatanswerwon’tsatisfyher.那個答案不會使她滿意。besatisfiedwith對…感到滿足例：I’msatisfiedwiththeserviceofthiscompany.我對于這家公司的服務(wù)感到滿意。4）need此處用作可數(shù)名詞，常用復(fù)數(shù)形式，表示需求。例：Whatareyourneeds?=Whatdoyouneed?你需要什么？Fivehundredyuanamonthwillmeetmyneeds.一個月500可以滿足我的需求need相關(guān)的表達：inneedof需要needtodosth需要做某事needdosth（need做情態(tài)動詞）需要做某事知識點8：Afterafewcomfortableweeks,however,thingsstartedtogowrong.P391）afterafewcomfortableweeks幾周舒適的生活之后，與afewcomfortableweekslater同義。例：Aftertwodays,heleftforLondon.=Twodayslater,heleftforLondon.兩天后，他出發(fā)去了倫敦。例題：_C__theexam,wewillsaygoodbyetoourdearteachers,classmatesaswellasourbeautifulschool.AInBForCAfterDThrough2）gowrong出錯，出現(xiàn)問題例：Somethinghasgonewrongwiththemachine.機器出毛病了。知識點9：Therobotcaughtavirusandnolongerworkedproperly.P39catchavirus感染病毒，多用于電腦，機器人例：Mycomputercaughtavirus.Itdidn’twork.我的電腦中病毒了，他不運轉(zhuǎn)了。2）nolonger不再相當(dāng)于not…anylonger例：Youarenolongerachild.=Youarenotachildanylonger.3）properly副詞正確地，適當(dāng)?shù)乩篒can’tspeakEnglishproperly.我說不好法語。知識點10：Itbegantomakestupidmistakes.P39makemistakes或者makeamistake犯錯例：Howcanyoumakeamistakelikethat?你怎么能犯那種錯誤呢？拓展：bymistake無意中，（由于疏忽）錯誤地例：Itookyourumbrellabymistakeyesterday.昨天我錯拿了你的雨傘。mistakesb/sthfor把某人/某物誤認為….Don’tmistakemeforlily.I’mLucy.不要把我錯認為是莉莉，我是露西。知識點11：….hewouldfindhisflatinacompletemess.P391)inacompletemess亂作一團，一塌糊涂Theofficewasinacompletemess.辦公室一塌糊涂。2）complete此處是形容詞，意思是完全的，徹底的，complete還有完整的意思。Heisacompleteillboy.他是個徹頭徹尾的壞蛋。IhaveacompletesetofShakespeare’splays.我有一套莎士比亞戲劇全集。Complete還有完成的意思Completethesentenceswiththewords.用這些單詞完成句子。3）mess是可數(shù)名詞inamess雜亂不堪Thekitchenwasinamess.廚房又臟又亂。9BUnit4知識點知識點1：Ourownplanet,theEarth,isbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.P52moreandmorecrowded越來越擁擠，結(jié)構(gòu)為“比較級+and+比較級”，意思是越來越….;若形容詞的比較級是加more構(gòu)成的，則用“moreandmore+形容詞”表示“越來越….”Hebecomesfatterandfatter.他變得越來越胖。Chinaisbecomingmoreandmorebeautiful.中國正變得越來越漂亮。2）polluted形容詞被污染的動詞pollute污染名詞為pollution意思是污染物，污染Ifwedrinkthepollutedwater,wemaygetill.如果我們喝了這些被污染了的水，我們可能會生病。Wemustn’tpollutetheenvironment.我們一定不能污染環(huán)境。There’salotofpollutionintheairhere.這里的空氣有大量的污染。3）rapid形容詞快的，迅速的HemaderapidprogressinEnglish.他在英語方面取得了很快的進步。知識點2：Withthedevelopmentoftechnology,bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraftthattravelatthespeedoflight.P52withthedevelopmentof….隨著…的發(fā)展develop動詞發(fā)展，形成developing形容詞發(fā)展中的adevelopingcountry發(fā)展中國家developed形容詞發(fā)達的adevelopedcountry發(fā)達國家2）atthespeedof為固定短語以…的速度Thatnighthedrovethecaratthespeedof200kmperhour.那天晚上他以每小時200千米的速度駕駛。類似的短語：atthepriceof以..的價格atahighprice高價atalowcost低成本atfull/highspeed全速/高速知識點3：Foodwillprobablybeintheformofthepillsandwouldnotbesotasty.P52intheformof為固定短語，以…的形式Shetoldherpasttousintheformofstory.她以故事的形式將她的故事講給我們聽。Hemadehersuggestionintheformofaquestion.她以提問題的形式提出建議。2）tasty形容詞美味的，可口的比較級tastierThefishisverytasty.taste嘗起來后接形容詞Thistomatotastessweet.這個西紅柿嘗起來是甜的。知識點4：ThegravityonMarsisonlyaboutthree-eighthsofthatontheEarth.P531)three-eighths意思為八分之三，分數(shù)和名詞搭配時，做主語時，謂語動詞的單復(fù)數(shù)形式看of后面的名詞而定，如果名詞是復(fù)數(shù)，謂語動詞用復(fù)數(shù)形式，如果名詞是單數(shù)或者是不可數(shù)名詞，謂語動詞用單數(shù)形式。Onethirdofthewaterisdirty.三分之一的水是臟的。Twothirdsoftheworkersinourfactoryareyoungpeople.我們廠三分之二的工人是年輕人。例題：About___B__oftheearth_____coveredwithwater,butwehavelessandlessavailablefr