人教版选修九课件Unit 4 Exploring Using language

ReadinganddiscussiononP37Flowersandtheiranimalpollinators Bee Humming-birds Butterflies moth Difficultwordsandexpressionsevolveevolutionattachtobattubeodourgiveout发展；进展；进化发出；分发气味管子演变；进化附上；贴上蝙蝠 Whatisthetextabout?Whatdopicturesshowyou?Whatisthechartabout?1Thetextisaboutflowersandtheiranimalpollinators.Thepicturesshowdifferentkindsofanimalpollinatorsandtheirflowers.Thechartlistsanimalpollinatorsandthecharacteristicsoftheflowerstheypollinate. Answerthequestions.1.Whatistheadvantageforanimalsofvisitingflowers?Animalsgetfoodcallednectarfromtheflowers.2.Whydosomeplantsneedanimals?Someplantsneedanimalstopollinatethem.2 3.Howdoesananimalpollinateaflower?Ananimalpollinatesaflowerbycollectingpollenfromaflowerandpassingitontoanotherflower. 4.Whatfeaturesofaflowerareimportantinattractinganimalpollinators?Thefeaturesofaflowerthatareimportantinattractinganimalpollinatorsareitscolour,shape,sizeandsmell. 5.Whatisnectar?Nectarisasweetliquidproducedbyflowersandcollectedbybees.6.Whatkindsofanimalsaremostflowerspollinatedby?Mostflowersarepollinatedbybees,mothsandbutterflies. Trueorfalse1.Beesfollowcolouredlinestothenectarinsidetheflower.2.Flowersthatarewhiteorpalecanbeseenbynightpollinators.3.Butterfliesareattractedtosweet-smellingflowers.TTF3 4.Batspollinateflowersatnight.5.Flowercolourisnotimportanttohummingbirds.6.Allpollinatorsneedtolandonthefloweriftheyaretofindthenectar.TFF Findothernounsinthechartthatmeanthesameas“smell”.Listadjectivesfromthechartthatareusedtodescribedifferentkindsofsmells.Nounsthatmean“smell”:______________.Adjectivesthatdescribesmells:_______________________________________________.odour,perfumedelicate,fragrant,odourless,strong,sweet,musty,fruity4 1.evolveevolve常用作不及物动词，意为“进化，形成，发展”，常与from搭配使用，意为“从……发展而来”。如：ThepresentBritishpoliticalsystemhasevolvedoverseveralcenturies.英国的现行政治制度是经过几个世纪逐步发展而成的。单词讲解 Thedevelopmentalhistoryofsocietytellsusthatmanhasevolvedfromtheape.社会发展史告诉我们人是从类人猿进化来的。★其名词形式为evolution,意为“进化，演变，发展，渐进”。 如：1）.Darwin’stheoryofevolutionhasbeenwidelyaccepted.达尔文的进化论已经被广泛接受。2）.Thefarmersbenefitalotfromtheevolutionoffarmingmethods.耕种方法的发展使农民大大受益。★其形容词形式为evolutionary,意为“演变的，进化的，逐渐发展的”。如：Thechangehasbeenevolutionary.变化是渐进的。 [小试]翻译下列句子。这位设计师逐渐形成了自己的风格。2.这家公司已经发展成为一家大机构。Thedesignergraduallyevolvedthestyleofhisown.Thecompanyhasevolvedintoalargeorganization. 2.attachattachsth.tosth.表示“把……附加、系上或缚在……上”。如：Heattachedalabeltoeachpieceofluggage.他把每件行李都贴上标签。attachtosb./sth.表示“（使）与……有联系，与……有关联”。如：Itwasjustanaccidentandnoblameattachestoeitherofyou.这只是一个意外，你俩一点责任也没有。 attachimportance/value/weight,etc.tosth.表示“认为……有重要性/价值/分量等”。如：Weshouldattachprimaryimportancetothedevelopmentofeconomy.我们应把经济发展放在首要位置。 beattachedto表示“（变得）喜欢，依恋，对……有感情”。如：Iammuchattachedtomyfamily.我对我的家很依恋。beattachedto还表示“附属于”。如：Thismiddleschoolisattachedtoanormalcollege.这所中学附属于一所师范院校。 attachoneselftosb./sth.表示“依附某人，参加某事”。如：Heattachedhimselftothegroupofmountainclimbers.他参加了那个登山队。 Thehospitalisattachedtothatuniversity.2.AyoungmanattachedhimselftomeatthepartyandIcouldn’tgetridofhim.3.在年底前你将一直属于这一部门。4.我们已变得十分留恋这所房子，舍不得搬家。这家医院附属于那所大学。在聚会上有个年轻人总缠着我，我简直无法摆脱他。You’llbeattachedtothisapartmentuntiltheendoftheyear.We’vegrownveryattachedtothishouseandwouldn’tmove.