人教版高中英语选修9课件：Unit 4 Exploring plants Language points(共41张PPT).ppt

Unit4Exploringplants1.Collecting“exotic”plantsastheyarecalleddatesbacktotheearliesttimes.datebackto追溯到;始于datefrom追溯到;始于datedadj.过时的陈旧的2.Manyancientcivilisationssawthevalueofbringingbackplantsfromdistantlands.Nothingofvaluewasstolen.putvalueon定价重视e.g.Heputslittlevalueonqualifications.set(a)valueon重视估计e.g.Shesetslittlevalueonwealth.e.g.Ifyouborrowmyelectricdrilldon’tforgettobringitback.AlllibrarybooksmustbebroughtbackbeforeJune20.Ifyou’regoingtothemarketpleasebringmebackteneggs.(2)使回想起bringaboutbringdownbringforwardbringinbringonbringoute.g.Scientistssaythatmanyfactorsbringaboutchangesintheweather.Thesceneintheroombroughtthepoormanbacktoreality.Itwilltakemorethanspeechestobringdownthepricestheseday.AtournextCouncilmeetingheisproposingtobringforwardthequestionofdevelopingthecitycentre.Howmuchdoesgaragebusinessbringineachmonth?Hestillinsistedthathewouldbringoutabookinthespring.Newquestionsareconstantlybeingbroughtupattheweeklymeeting.Thechildisverybadlybroughtup.3.However…thattheexplorationofthebotanicalworldbeganonalargescale.scalen.规模(可数不可数)4.Braveyoungmentooktheopportunityofgoingonbotanicalexpeditions…takeopportunityofdoing/todosth.抓住……的机会e.g.Hetooktheopportunitytoquestionhiswife.Ishalltakethefirstopportunityofseeingyou.I’mgladtohavetheopportunityoftalkingtoyou.Hesoughtopportunitiesofdoingherlittleservices.Don’tletslipanyopportunityofpractisingyourEnglish.Somehowtheydidn’tseemtogetanopportunitytoobject.Theremaybeanopportunityforyoutoseethemanagerthisafternoon.5.Oneplantexplorerlostseveralyears’workwh