新人教选修9_Unit4_Exploring_plants[全套课件].ppt

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1、Unit4Exploringplantsrose玫瑰tulip郁金香peony牡丹sunflower向日葵Whichflowerisyourfavorite?Why?roseredrosesindicatewarmthandlovewhiteones,purity（纯洁）andsimplicity（朴实）blueones,honestyandsincerity.2.scalen.1)磅秤；天平盘.sealn.1)海豹2）封口；封条vt.封闭wordsscale,conflict,restriction,

2、fluency,appeal,postpone,evolve,attach,datebackto,giveout,weeds,distant,seal,missionary,endeavour,anchor,botanistWhathappenedintheseyears?Completethesentences.1Inl5OOBC,theQueenofEgyptsentshipstogatherplants,animalsandothergoods.2Inthe1740s,aFrenchCatholi

3、cmissionarycalledFatherd'IncarvillewassenttoBeijing.3In1751,someTreeofHeavenseedsarrivedinEngland.Comprehending4In1769,SirJosephBankscollectedvastquantitiesofplantsinthelandnowknownasAustralia5In1784,theTreeofHeavenwasintroducedintoNorthAmerica.6In1833,N

4、athanielWardusedtwospecialcasesthathehadinventedtoshipBritishplantstoSydney,Australia.7Between1843and1859,aBritishplantcollectorRobertFortune.madeseveraltripstoChina8Duringthesecondhalfofthenineteenthcentury,manyCatholicmissionariesweresenttoChinafromFra

5、nce.9In1897,aFrenchPlantcollectorFatherFarges.sentseedsoftheDoverTreefromChinatoFrance.10In1899,aPlantcollector,EHWilson.collectedalargequantityoftheseedsoftheDoveTreeinChina.Grammar1.Collecting“exotic”plants,astheyarecalled,datesbacktotheearliesttimes.(

6、ReadingPara.1)【解析】datebackto从现在追溯到过去某时，相当于datefrom或gobackto。【考查方向】考查datebackto短语作谓语的情况。因“追溯”是从现在算起指向过去，所以该动词的时态通常用一般现在时，没有被动语态。【考题预测】Hisinterestinstampcollectinghisschooldays.A.isdatedfromB.datesbacktoC.isdatedbacktoD.dates【点拨】datebackto(datefrom)无被动形式，而

7、date作动词表示“写上日期”，与句意不符，故选B。2.Braveyoungmentooktheopportunityofgoingonbotanicalexpeditions,oftenfacingmanydangersincludingdisease,near-starvation,severeenvironmentsandconflictswiththelocalpeople.(ReadingPara.2)【解析1】动词-ing短语oftenfacingmanydangersincludingdi

8、sease,near-starvation,severeenvironmentsandconflictswiththelocalpeople作谓语tooktheopportunity的伴随状语。【考查方向】非谓语动词的考测。现在分词短语作伴随状语，它同句子的主语构成逻辑上的主谓关系，并且和句子谓语动作几乎是同时发生。【真题再现】Weoftenprovideourchildrenwithtoys,footballsorbasketballs,