Unit4ExploringplantsWarmingupWarmingupCanyoutellthenameoftheflower?TulipTulipsarebeautifulflowersandpeopleoftenSendthemtotheirfriendsaspresents.SunflowerSunflowerItcomesfromNorthAmerica.Indianstherebegantogrowthemsome3000yearsago.PeonytheChinesenationalflowerRoseRosesarebestpresentstobesenttofriends.Anditisalsoverypopulartosendrosesaslovesignalbetweenyoungpeople.Redrosesindicatewarmthandloveandwhiteones,purityandsimplicity,blueones,honestyandsincerity.Whichisyourfavoriteflower?Why?Reading:Reading:rose玫瑰tulip郁金香peony牡丹sunflower向日葵Whichflowerisyourfavorite?Why?roseredrosesindicatewarmthandlovewhiteones,purity（纯洁）andsimplicity（朴实）blueones,honestyandsincerity.JosephBanksDanielsolanderKarlLinnaeusTeacherStudentlifelongfriendsWhathappenedintheseyears?Completethesentences.1Inl5OOBC,theQueenofEgyptsentshipstogatherplants,animalsandothergoods.2Inthe1740s,aFrenchCatholicmissionarycalledFatherd'IncarvillewassenttoBeijing.3In1751,someTreeofHeavenseedsarrivedinEngland.Comprehending•4In1769,SirJosephBankscollectedvastquantitiesofplantsinthelandnowknownasAustralia•5In1784,theTreeofHeavenwasintroducedintoNorthAmerica.•6In1833,NathanielWardusedtwospecialcasesthathehadinventedtoshipBritishplantstoSydney,Australia.•7Between1843and1859,aBritishplantcollectorRobertFortune.madeseveraltripstoChina•8Duringthesecondhalfofthenineteenthcentury,manyCatholicmissionariesweresenttoChinafromFrance.•9In1897,aFrenchPlantcollectorFatherFarges.sentseedsoftheDoverTreefromChinatoFrance.•10In1899,aPlantcollector,EHWilson.collectedalargequantityoftheseedsoftheDoveTreeinChina.Grammar1.Collecting“exotic”plants,astheyarecalled,datesbacktotheearliesttimes.(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，所以改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oftenfacingmanydangersincludingdisease,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,_______thatallchildrenlikethesethings.（全国卷III2006）A.thinkingB.thinkC.tothinkD.thought【点拨】we和think构成逻辑上的主谓关系，而且动作thinkingthat…同动作provide…同时发生。故选A。【解析2】conflict是名词，意为“冲突，斗争”，常构成短语有：inconflict有矛盾，有冲突；inconflictwith和……有矛盾，和……不一致；bringsbintoconflict使某人与……发生争执等等。【考查方向】考试时会把conflict同argument（辩论）,negotiation（谈判）,bargain（契约，合同）,battle（战斗，战争）,campaign（战役，活动，运动）,struggle（竞争，奋斗）,contact（联系，接触）,connection（联接，关系）等名词放在一起辨析。【真题再现】Indealingwithpublicrelations,weshouldmakeeveryefforttopreventthe_____inpersonality.（上海2004）A.contactB.contrastC.connectionD.conflic...
