新人教選修9_Unit4_Exploring_plants[全套]ppt課件

.,Unit4Exploringplants,.,rose玫瑰,.,tulip郁金香,.,peony牡丹,.,sunflower向日葵,.,Whichflowerisyourfavorite?Why?,.,rose,redrosesindicatewarmthandlovewhiteones,purity（純潔）andsimplicity（樸實）blueones,honestyandsincerity.,.,2.scale,n.1),磅秤；天平盤,.sealn.1),海豹,2,）封口；,封條,vt.,封閉,words,scale,conflict,restriction,fluency,appeal,postpone,evolve,attach,datebackto,giveout,weeds,distant,seal,missionary,endeavour,anchor,botanist,.,Whathappenedintheseyears?Completethesentences.1Inl5OOBC,theQueenofEgyptsentshipstogatherplants,animalsandothergoods.2Inthe1740s,aFrenchCatholicmissionarycalledFatherdIncarvillewassenttoBeijing.3In1751,someTreeofHeavenseedsarrivedinEngland.,Comprehending,.,4In1769,SirJosephBankscollectedvastquantitiesofplantsinthelandnowknownasAustralia5In1784,theTreeofHeavenwasintroducedintoNorthAmerica.6In1833,NathanielWardusedtwospecialcasesthathehadinventedtoshipBritishplantstoSydney,Australia.,.,7Between1843and1859,aBritishplantcollectorRobertFortune.madeseveraltripstoChina8Duringthesecondhalfofthenineteenthcentury,manyCatholicmissionariesweresenttoChinafromFrance.9In1897,aFrenchPlantcollectorFatherFarges.sentseedsoftheDoverTreefromChinatoFrance.10In1899,aPlantcollector,EHWilson.collectedalargequantityoftheseedsoftheDoveTreeinChina.,.,Grammar,.,1.Collecting“exotic”plants,astheyarecalled,datesbacktotheearliesttimes.(ReadingPara.1)【解析】datebackto從現(xiàn)在追溯到過去某時，相當于datefrom或gobackto?！究疾榉较颉靠疾閐atebackto短語作謂語的情況。因“追溯”是從現(xiàn)在算起指向過去，所以該動詞的時態(tài)通常用一般現(xiàn)在時，沒有被動語態(tài)。,.,【考題預(yù)測】Hisinterestinstampcollectinghisschooldays.A.isdatedfromB.datesbacktoC.isdatedbacktoD.dates【點撥】datebackto(datefrom)無被動形式，而date作動詞表示“寫上日期”，與句意不符，故選B。,.,2.Braveyoungmentooktheopportunityofgoingonbotanicalexpeditions,oftenfacingmanydangersincludingdisease,near-starvation,severeenvironmentsandconflictswiththelocalpeople.(ReadingPara.2)【解析1】動詞-ing短語oftenfacingmanydangersincludingdisease,near-starvation,severeenvironmentsandconflictswiththelocalpeople作謂語tooktheopportunity的伴隨狀語。,.,【考查方向】非謂語動詞的考測?，F(xiàn)在分詞短語作伴隨狀語，它同句子的主語構(gòu)成邏輯上的主謂關(guān)系，并且和句子謂語動作幾乎是同時發(fā)生?！菊骖}再現(xiàn)】Weoftenprovideourchildrenwithtoys,footballsorbasketballs,_thatallchildrenlikethesethings.（全國卷III2006）A.thinkingB.thinkC.tothinkD.thought【點撥】we和think構(gòu)成邏輯上的主謂關(guān)系，而且動作thinkingthat同動作provide同時發(fā)生。故選A。,.,3.In1769,BankscollectedvastquantitiesofplantsinthelandnowknownasAustralia.(ReadingPara.4)【解析1】quantity作名詞，意為“量，數(shù)量，總量”，quantity前可用huge,good,great,large，small,vast等詞語修飾?！究疾榉较颉俊癮largequantityof+可數(shù)名詞復(fù)數(shù)”作主語，相當于“alargenumberof+可數(shù)名詞復(fù)數(shù)”作主語，謂語用復(fù)數(shù)；“alargequantityof+不可數(shù)名詞”作主語，相當于“alargeamountof+不可數(shù)名詞”作主語，謂語一般情況下用單數(shù)，但如果“quantitiesof+不可數(shù)名詞”作主語，謂語用復(fù)數(shù)。,.,【真題再現(xiàn)】Asaresultofdestroyingtheforests,alarge_ofdesert_coveredtheland.（2001年上海）A.numberhasB.quantityhasC.numberhaveD.quantityhave【點撥】alargenumberof后面接復(fù)數(shù)名詞，所以排除A和C；alargequantity后面跟的是desert，表示“沙漠”，用于不可數(shù)名次，所以排除D。句意為：破壞森林的結(jié)果是大片沙漠覆蓋了陸地。選B。,.,【解析2】句中nowknownasAustralia是過去分詞短語作theland的后置定語，相當于定語從句whichisnowknownasAustralia。beknownas以著稱?！究疾榉较颉靠疾榉侵^語動詞作定語。以beknown引出的短語有：beknowas作為而出名；beknownfor因而出名；beknownto為知道。,.,【真題再現(xiàn)】LindaworkedfortheMinnesotaManufacturingandMiningCompany,_as3M.（浙江2004）A.knowingB.knownC.beingknownD.tobeknown【點撥】過去分詞短語作定語。故選B。,.,4.ABritishmancalledRobertFortunewasoneoftheearliestplantcollectorstouseWardiancases.(ReadingPara.7)【解析】句中theearliest是形容詞最高級作plantcollectors的定語，動詞不定式短語touseWardiancases作collectors的后置定語。【考查方向】當名詞被形容詞最高級或序數(shù)詞(含last)等修飾時，其后接動詞不定式作定語。,.,【真題再現(xiàn)】Thiscompanywasthefirst_portableradioaswellascassettetaperecordersintheworld.（上海2005春）A.producingB.toproduceC.havingproducedD.produced【點撥】thefirst后面省略了名詞company，thefirst后接動詞不定式作后置定語。句意：這家公司是世界上第一家生產(chǎn)小收音機和錄音機的公司。選B。,.,5Althoughthemissionariescollectedlargenumbersofspecies,therewasnotenoughmaterialforparticularspeciestogrowinginWesterngardens.(ReadingPara.9)【解析】although是從屬連詞，意為“盡管，雖然，然而”，引導(dǎo)讓步狀語從句，起補充說明的作用?！究疾榉较颉靠疾檫B詞although與其他連詞的辨析。although不與but連用，但可與副詞still或yet連用。although與though同義，用法也基本相同，但在讓步從句中，though的位置比較活（如“Thoughheispoor”和“Poorthoughheis”），although則通常置于從句之首。,.,【真題再現(xiàn)】hehaslimitedtechnicalknowledge,theoldworkerhasalotofexperience.（全國I卷2006）A.SinceB.UnlessC.AsD.Although【點撥】since和as表示原因，unless表示條件，although表示讓步。根據(jù)句意，本題引導(dǎo)although讓步狀語從句，故選D。,.,1However，itwasnotuntiltheeighteenthandnineteenthcenturiesthattheexplorationofthebotanicalworldbeganonalargescale然而，直到18和19世紀人們對植物世界大規(guī)模的探索才開始。Itiswasnotuntilthat的意思是“直到才”。如：Itwasnotuntilthel880sthattherewereconsistentexperimentalfindingstosupporthistheory.直到19世紀80年代才有了一致的實驗發(fā)現(xiàn)支持他的理論。,.,另外，含有notuntil結(jié)構(gòu)的句子也還可以放在句首來表示強調(diào)，這時主句用倒裝句。如：Notuntiltheearlyyearsofthel9thcenturydidmarlknowwhatheatis.直到19世紀初期人們才知道什么是熱能。Notuntil1begantoworkdidIrealizebowmuchtimeIhadwasted直到開始工作時我才意識到自己浪費了多少時間。Itwas_backhomeafterhefinishedthereport.notuntilmidnightdidhegoB.untilmidnightthathedidntgoC.notuntilmidnightthathewentD.untilmidnightwhenhedidntwent,.,4-NotonlydidFortuneintroduceoverl20speciesOfplantstoWesterngardensbuthealsoshipped20，000TeaplantsfromShanghaitoIndia,whereasuccessfulteaindustrywasestablished福瓊不僅把120余種植物引進入西方的園林，而且還用船將兩萬株茶樹從上海運到印度，印度的制茶工業(yè)就成功地發(fā)展起來了。notonly放在旬首時，用來表示強調(diào)，這時句子需要倒裝。,.,Notonlydidherefusethegift，healsoseverelycriticizedthesender他不僅拒絕收禮