新编英语教程4unit.ppt

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1、Unit7TextIASunriseontheVeldTextIITheKillersontheMarchTextITextIIOralWorkListeningPre-readingActivityStructureVocabularyAcquisitionIntensiveReadingText1:ASunriseontheVeldTextIPre-readingActivity红火蚁、外引红火蚁、泊来红火蚁（台湾）入侵红火蚁是最近进入中国的入侵物种，也是世界自然保护联盟（IUCN）收录的最具有破坏力的入侵生物之一。红火蚁工蚁多型，体长2.4-6mm(Hedg

2、es1998)，上颚4齿，触角10节，身体红色到棕色，柄后腹黑色。蚁巢向外突起呈丘状，直径一般小于46厘米。当蚁丘受到破坏时，入侵红火蚁将异常愤怒。其可用后腹部的尾刺进攻入侵者，一般被蛰刺后次日会有水疱出现。成虫食性广泛，其捕杀昆虫、蚯蚓、青蛙、蜥蜴、鸟类和小哺乳动物也采集植物种子。其进攻体型相对大的鸟类等的眼等要害器官。入侵红火蚁给被入侵地往往带来严重的生态灾难，是生物多样性保护和农业生产的大敌。红火蚁入侵住房、学校、草坪等地，与人接触的机会较大，叮咬现象时有发生。其尾刺排放的毒液可引起过敏反应，甚至导致人类死亡。入侵红火蚁同时也啃咬电线，经常造成电线短路甚至引

3、发小型火灾。TextIPre-readingActivityTextIFeaturesofWritingConcretewordsexaggerationDifferenttermsforthebuckVarysentencelengthThird-personnarratorSimileRhetoricalQuestionsatlastTextIVocabularyAcquisitionWritedownthemeaningofeachwordthatfitsthecontext.scurry(L.3)peer(L.9)jerk(L.12)twitch(L.19

4、)anguish(L.35)ebbing(L.70)pincers(L.75)frisk(L.89)sniff(L.95)Moveinhaste(atalowlevel)Lookcarefully,perhapswithsomedifficultyMovesuddenlyrepeatedunconscioussmallmovementofthemusclesgreatphysicalandmentalsufferingGoingback(asagroup)Hand-likepartsofanant,forseizing&holdingMovequicklyfrom

5、sidetosideandup&downDrawairintothenosewithasound,“smell”TextIVocabularyAcquisitionWritedownthemeaningofeachwordthatfitsthecontext.glistening(L.4)writhe(L.8)trickle(L.19)skeleton(L.28)glittering(L.32)incredulously(L.36)exhilarated(L.38)shiningtwist(thebody)Flowinsmalldropsorinathinstre

6、amTheframeworkofallthebonesinahumanoranimalbodyShinningbrightly,showingtinyflashesShowingdisbelief,unbelievinglyInveryhighspirits…thattooknonoticeofhim,…nottakeany/muchnotice(ofsomething)e.g.Ihopeyou'lltakenoticeofwhatI'mgoingtotellyou.Iwavedbuttheytooknonotice.Iwaved,buthedidn'ttakea

7、nynotice(=pretendednottonotice)Task:Translate我没太理会她的建议。Ididnottakemuchnoticeofhersuggestions.glistengleamglitter[intransitive]toshineandlookwetoroilyglistenwithe.g.Theboy'sbackwasglisteningwithsweat.glisteningblackhairgleam[intransitive]toshinesoftly[Syn]glimmere.g.Histeethgleamedunde

8、rhism