unit 4 exploring plants 导学案1

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1、Unit4Exploringplants导学案1.datebackto追溯到，后接点时间，在句中做谓语时，常用一般现在时，无被动态。＝datefromdateback意为“追溯；存在”，后接“段时间”eg.TheGreatWallofChinadatesbacktothethirdcenturyB.C.Thebeautifulfolklegenddatesbackmorethan300years.2.scalen.1)磅秤；天平盘apairofscales一台天平aspringscale弹簧秤weighsth.Inthescale用秤称

2、2)规模；程度；范围（与on连用）onalarge/big/vast/grandscale3.conflictn.(c.或u.)/vi.斗争Eg.1)Somepeoplefeelthereisagreatdealof~betweenreligionandscience.2)Thetwopartieshavebeenin~sincetheelection.3)DoBritishlaw~withanyinternationallaws?4.tightadj.紧的；紧密的a~knot打的紧紧的结a~rope绷紧的绳索a~ship不漏水的船My

3、shoesaretoo~5.sealn.1)海豹2）封口；封条vt.封闭eg.~anenvelopMylipsaresealed,Iwon’ttellyou.我现在守口如瓶，不会告诉你的。6.appealto(prep.)sb.对……有吸引力appealtosb.forsth.为某事向某人呼吁appealtosb.todosth.呼吁某人做某事eg.Thisidea~edtohisfather.Weare~ingtothegovernmentforfoodandclothes.Thegovernmentis~ingeveryonetos

4、avethewater.7.attachsth.to(prep.)把……系在……上attachto与……有联系attachimportance/significance/value/weight…tosth.认为……有重要性(意义，价值，分量)beattachedto爱慕……依恋……;附属于……Eg.1)Please~thislabeltothebottle.2)Doyouliveinabedroomwithabathroomattached?3)Thisinstituteis~edtotheUniversityofTexas.这个研究

5、所附属于得州大学。4)Iamverymuch~edtothatoldcar.5)Mostpeopleattachgreatimportancetotheirchildren’seducation.8.distantadj.远的a~relativedistancen.远方；距离inthedistanceatadistancekeepsb.ata~(对某人)保持距离9.fluencyn.流利fluentadj.流利的flun.流感speakEnglishwithfluencyspeakfluentEnglish10.botany(u.n.)

6、植物学BotanyBay植物湾botanist(c.n.)植物学家botanicaladj.植物学的~garden植物园11.beardn.下巴上的胡须weara~留胡须mustachen.唇上的胡须whiskersn.脸颊的胡子Warming–upandreading1.adapttoadapt(oneself)tobeadaptedtoeg.Oureyesslowlyadaptedtothedark.Weadaptedourselvestothehotweather.2.Sb.befamiliarwithsth.Sth.befami

7、liartosb.Eg.Heisfamiliarwiththeplant’snames.=Theplant’snamesarefamiliartohim.3.比较：faraway,far-away,farawayfrom,farfrom1）faraway作表语或状语；away可以省去；也可作后至定语。2）far-away作前至定语3）farawayfrom只表距离，away可省去。4）farfrom除表距离外，还有“远远不，完全不，并非”之意，后接名词，动名词或形容词eg.Theydon’tlivefar(away).Theylivea

8、tafar-awayplace.Theschoolisfar(away)frommyhouse.Iamfarfrom(being)happyinmypresentjob.一点也不满意--Areyoucold