Lesson11:AmazingPlants1)whenitcomesto2)hearsb.doing和hearsb.do的区别3)as…as的结构I.Learningaims:Rememberthenewwords:egret,eastern,shy,tightly,fossil,southwest,livingII.Learningimportantanddifficultpoints:egrettightlyeasternfossilsouthwestlivingshyNewWordsThinkAboutIt!Howmanyplantscanyouname?Haveyoueverheardaboutanyspecialplants?LanguageLanguagePointsPointswhenitcomesto这个是固定结构,意为“当提到……;就……而论”,这里的to是介词,所以后面是动词的时候,要用V-ing形式;如果后面是名词,直接加就可以。如:1.Whenitcomestolaughing,thistreeisreallyfunny.当谈到笑的时候,这棵树真的很有趣。Whenitcomestopolitics,Iknownothing.当谈到政治方面的时候,我什么也不知道。hearsb.doing表示听见某人或某物正在做某事;而hearsb.do意为“听到某人做了某事”,是指听到整个过程。如:2.Whenpeoplefirsthearitlaughing,theyareusuallyquitesurprisedandbegintolaughalongwiththetree.当人们第一次听到它笑时,他们通常都很惊讶,开始和数一起笑。Ioftenhearhersing.我经常听到她唱歌。知识链接与此相同用法的有:seesb.doingsth.看见某人正在做某事,seesb.dosth.看见某人做了(做过)某事;watchsb.doingsth.观看某人正在做某事,watchsb.dosth.观看某人做了某事。3.Thisplantcanliveaslongas1500years,sopeoplecallitalivingfossil.这种植物能活到长达1500岁,所以人们称它为活化石。aslongas表示“长达------之久;和------一样长”。as…as结构,中间接形容词或副词原级,在否定句中,也可说成(not)so…as。aslongas也意为“只要”,注意引导条件状语从句时,主句用将来时,从句用一般现在时态代替将来时态,即“主将从现”。如:Thisriverisn’tsolongasthatone.这条河与那条河不一样长。ExercisesExercises1.Thesun's_______(能量)willlastformillionsofyears.2.Ihaveagood_______(理由)tothinkthathewon'tcome.3.Thesungivesuslightandh______.4.Don'tworry.Thereisn_______wrongwithyou.I.根据句意及所给提示,完成下列句子。energyreasoneatothing1.It'spleasantforme______(live)inthecountry.2.Aretheirideasthesameas______(you)?3.Therearethousandsof_________(kilogram)ofmeatsoldinthemarketeveryweek.4.Adoctorcansavea_____(die)manbuthecan'tsaveadeadman.5.Vegetableshelp________(make)uskeepII.用所给单词的适当形式填空。toliveyourskilogramsdying(to)make1.夏天我们经常在树阴下喝茶。Insummer,weoftenhavetea___________________________ofthetrees.2.花生不长在树上。Peanuts___________________trees.3.没有植被,风和水会把土壤带走。Withoutplants,thewindandwaterwould_________thesoil_________.4.我们可以把木头制成课桌。Wecan_________wood_________desks.makeintoIII.根据所给汉语提示翻译下列句子。indon'tgrowoncarryawaytheshadeHomeworkLookformoreamazingLookformoreamazingplantsandtalkaboutoneofplantsandtalkaboutoneofthem.them.