Unit5 Revealing nature Developing ideas 语言点高中英语外研版（2019）选择性必修第一册

TheSecretLanguageofPlants(Langaugepoints)Manycultureshavestoriesoftalkingtreesthatgiveadviceaswellaswarningstopeople.AlexandertheGreatandMarcoPoloweresaidtohavevisitedsuchatreeinIndia.aswellas和，也，又...besaidtohavedonesth.据说...已经做了某事1aswellas

【词汇拓展】aswellas意为“和……一样好”，和；aswellas作介词相当于besides,意思为“除……之外,还有”,后面通常接名词或动词-ing形式,尤其是位于句首时。aswell是副词短语,其意思为“也”,相当于too,它一般放在句末,有时和连词and或but搭配使用。Aswellaseatingfiveapples,theydranksevenbottlesofwine.HespeaksChineseaswellasJane.Itisinhisbestinterestsaswellasyours.Theyvisitedsomefactories,hospitalsaswellastheschool.当用作主语的成分后面跟有由but,except,besides,including,like,with,aswellas,alongwith,inadditionto,ratherthan,togetherwith等引出的短语时，谓语动词习惯上要与这些结构前面的主语保持一致（就远一致）。1、Tomaswellashisparents_________(enjoy)fishing.2、Youaswellasyourbrother____________(praise).enjoysarepraised2Iamsorrytohavekeptyouwaiting.Theypretendedtohavefinishedthejob.tohavevisitedsuchatree是不定式的完成式。如果不定式所表示的动作发生在谓语动词之前,就要用完成式。2【句式拓展】(1)不定式的一般式所表示的动作通常与谓语的动作或状态同时或几乎同时发生,或是在它之后发生。(2)如果谓语动词的动作(情况)发生时,不定式表示的动作正在进行,这时,不定式就要用进行式。(3)动词expect,

intend,

plan,

hope,

mean,

promise,

suppose,

think,

want,

wish

等的过去式加不定式的完成式,或他们的过去完成时加不定式的一般式表示过去没有实现的愿望、期待或计划等。Iplantoattendthemeetingtobeheldtomorrow.Hehappenedtobepassingbywhentheaccidenthappened.Iintendedtohavecalledonyou,butIhadanunexpectedvisitor.不定式的完成式句式拓展Withuslongbelievingthattalkingplantsarefantasy,newresearchhasrevealedsomethingamazing:itappears

thatplantscancommunicateafterall.appear似乎，好像(不用于进行时)Thereappeared

tobenosignificantdifferencebetweenthetwogroups.

②Themanappeared

tohavehadaheartattack.③Itappears

thattherehasbeenamistake.

Ithasbeenknown

forsometime

thatplantsusechemicalstocommunicatewitheachother.Translation人们早就知道植物可以利用化学物质相互交流。3【句式拓展】(1)that从句作主语时,可以用it来替换成以下几种结构:①Itis+名词短语+从句:这样的名词短语有afact,asurprise,anhonor,apity,commonknowledge(常识)等。②Itis+形容词+从句:这样的形容词有natural,true,strange,necessary,important,obvious,certain,wonderful,funny,possible,likely等。③It+动词+从句:这样的动词有seem,happen,appear,look,matter,make,strike,occur(突然想起)等。④It+be+分词+从句:这样的分词有said,reported,believed,known,proved,thought,expected,announced,arranged,hoped,agreed等。it作形式主语句式拓展【句式拓展】(2)it除了可以替代主语从句作主语外,还可以替代不定式或动词-ing作主语。①Itis+adj./n.+todosth②Itisnouse/nogood/uselessdoingsthItisnecessaryforyoutolearnasecondforeignlanguage.Itiscommonknowledgethatthefullmoonbringsfairweather.4.Thishappenswhenaplant,say(比方说）abeanplant,getsattackedby（被攻击/袭击)insects.Theplantreleasestinyamountsof(微量的）chemicalsfromtheleavesthatarebeingeaten.release:v.

释放(化学品等)①Adrenalin(肾上腺素)

isreleasedinmomentsofdanger.②Plantsreleasewaterthroughtheirleavesbytranspiration(蒸腾作用).

4amountsof

意为“大量的”,尤与不可数名词连用。Itwasprofitableforthemtoproducelargeamountsoffood.Iwentoutforameallastnightanddrankamountsofredwine.【词汇拓展】theamountof...……的数量alarge/greatamountof+n.[U]大量的……(作主语时,谓语用单数)largeamountsof+n.[U]大量的……(作主语时,谓语用复数)inamount(=inall)总之,总计;在数量上amountto总计,合计(amount为动词)Theirtravelingexpensesamounttosevenhundreddollars.Someofthesechemicalsdriveinsectsaway.Othersattractinsects—thewasps!Thewaspskilltheinsectsthatareeatingthebeanplants.drive...away赶走...,使离去;驱车离开；Scientistshopetolearnmoreaboutthisplantwarningsystem,sothatwecanuseittogrowcropswithoutpesticides.Achilliplantcantellifaneighbouringplantishelpful,orunfriendly.Sometreesmakeclickingnoiseswhenthereisnotenoughwater,indicating

droughtisarriving.tell识别，辨别Translation辣椒可以知道自己附近的植物是敌是友。还有些树木在缺水时会发出咔嗒声，以示干旱就要来了。clickv.发出滴答声；发出咔嚓声；点击，用鼠标点击；（因突然明白而）恍然大悟；（与某人情投意合，合得来）Thedoorclickedshut.Clickforafriend?WhenIsawtheanswer,itsuddenlyclicked.Mostsurprisinglyofall,plantshaveanamazingsystemofcommunicationthatcanlinknearlyeveryplantinaforest.link...to/with把...和...联系起来Scientistscallthissystemthe“woodwideweb".Itis

insomeways

similartotheInternetweuse.

callsb.sth.称呼某人某物besimilarto与...相似insomeways在某些方面WhiletheInternetisa

worldwidlenetworkofcomputerslinkedbycablesandsatellites,thewoodwidewebislinked

undergroundbyfungi.

Thisfungalnetwork

linkstherootsofdifferentplantstoeachother.link...with/to...将...和...联系/连接起来belinkedto/with...将...和...联系/连接起来Translation互联网是通过电缆和卫星连接的全球计算机网络,而植物万维网则是在地下通过真菌连接而成的。这个真菌网络将不同植物的根彼此连接。Usingthewoodwideweb,plantscanshareinformationandevenfoodwitheachother.Plantscansteal

foodfrom

eachother,or

spreadpoisonstoattackotherplants.steal...from...从...偷...Perhapsonedayscientistswilllearnhowtocreatea

“firewall”防火墙

tohelppreventtheseattackswithinthewoodwideweb.Scientistsarelearningmoreeverydayabout

thesecretwaysinwhichplantstalktoeachother.Idon’tliketheway

thatyouspeaktoher.Theway

inwhichheansweredthequestionwasstrange.Shewaspleased