Unit5RevealingnatureDevelopingideasWriting课件-高二英语外研版选择性

Writinganobservationaljournal外研版高中英语选择性必修一Obtainthemainideaandkeysentencesfromthecontextandpictures;Identifyandsort

thewordsandexpressionsdescribingthegrowthofplants;Applyusefulexpressionstothewritingtask.LearningObjectives*spine/spaɪn/n.（动植物的）刺，刺毛*myth/mɪθ/n.（古代的）神话*legend/'ledʒənd/n.传说，传奇（故事）detect/dɪˈtekt/v.发现，察觉（尤指不易觉察到的事物）*wasp/wɒsp/n.黄蜂*pesticide/ˈpestɪsaɪd/n.杀虫剂，农药root/ruːt/n.根*chilli/ˈtʃɪli/n.辣椒link/lɪŋk/v.把……联系起来；连接*fungus/'fʌŋgəs/n.真菌（复数fungi）*fungal/ˈfʌŋɡl/adj.真菌的*cybercrime/'saɪbəkraɪm/n.网络犯罪centimetre/'sentɪˌmiːtə/n.厘米WarmingupHowtowriteanobservationaljournal?3.Whatdotheflowerslooklike?Theflowersareyellowandwhite,andshapedliketrumpets.1.Howwerethedaffodilbulbsplanted?Theywereplantedsidebysideinsoil,withthepointedendsfacingup.2.Inwhatenvironmentdidtheleavesgrow?Theleavesgrewinasunny,butcoolplace.Readtheobservationaljournalandanswerthequestions.Thedaffodilbulbshavebeenplantedsidebysideinsoil,withthepointedendsfacingup.Waterhasbeenaddedandthecontainerwasputinacool,darkplace.Thebulbsarebeingwateredregularly.howisitplanted?environmentHowtoobserveagrowingplant?daffodilbulb水仙花soiln.

土地；土壤pointed

end

尖端container

n.集装箱；容器Asinglestemhassproutedfromeachofthebulbs.Oneachstemaretwoleaves,whicharelongandnarrowwitha

waxytexture.Thecontainerhasbeenmovedtoasunny,butcoolplace.shapeandtextureenvironmentstemsn.柄；茎；干sprout

v.长芽；萌芽；迅速成长

n.芽；年幼者narrow

adj.狭隘的;狭窄的waxy

texture

蜡质结构Thestemshavegrowntoaround20centimetrestallandeachhasproducedasingleflower.Theflowersareyellowandwhite,andshapedliketrumpets.heightcolorandshapecentimeter

n.厘米（＝1／100米）；公分trumpet

n.喇叭;小号ThegrowthofthedaffodilbulbsTimeEnviromentHeightColorShapeTextureOthersWeek1sidebysideinsoil;thecontainerwasinacool,darkplace-------------------------thepointedendsfacingup;beingwateredregularlyWeek3Week6BrainstormingIfyouaregoingtoshootavlogaboutthegrowthofyoursunflower,whatwillbeincludedinyourvlog?Lookatthepicturesandtalkabouthowthesunflowergrows.Whatorderdidyouusewhendecribingthegrowingsunflower?Wherediditgrow?Howabouttheenvironment?Whatchangeshappenedtothesunflower?Howaboutitscolor,shapeandtexture?Howmanyflowerswerethere?Whatdidtheylooklike?1.认真观察，抓住特点。观察的重点是植物的干、枝、叶、花及颜色，了解它们的大小、高矮、形状、色彩、味道等。还要抓住特点，有目的地观察。如植物开花时的姿态、颜色、花期；植物叶子在不同时间、不同季节的变化。总之，要抓住所写的植物与其它植物的不同，写出它的特点。2.要按一定的顺序写。可以先从整体入手，看它像什么，然后再一部分一部分地写。也可以按照它生长的时间顺序写，先长什么、再长什么，最后长什么；也可以按根、茎、叶、花、果实的顺序写。总之，要按一定的顺序写，这样作文才层次清楚，有条不紊。3.表达出自己喜爱的感情。TimeEnvironmentHeightColorShapeTextureOthers1June6July26Julysproutinsoilbudthestemgrowsto...with...facingupproduceasingleflower...isshapedlike...Nowwriteyourobservationaljournalaboutthesunflower.Anobservationaljournalaboutthesunflower1JuneCoveredwith1-2cmofmoistsoil,thesunflowerseedtakesafewdaystocomeupafterbeingplanted.Waterhasbeenaddedregularlyandthehardseedcoatsoftensinthedampsoiltoallowthefirstroottopiecedownwardsandthefirstleavestopushtothesoilsurface.参考范文6JulyTherootcontinuestogrowdownwards.Thesinglestemgrowshollowandsmooth,revealinglargespade-shapedleavesfromthegrowingtip.Gradually,theplant’sgrowingtiprevealsthefirsthintsofdevelopmentoftheflowerbud.Theplantstembecomesmorewoody.26JulyAboutthreeweeksaftertheflowerbudfirstbecomesvisibleatthetipofthesunflowerstem,itenlargesandbeginstorevealaflatteneddisc.Overthecourseofoneweek,theyellowrayflorets,thediscfloretsbloomacrossthecoreofthesunflowerblossom.Itisyellow,lookingbeautiful.Makeimprovementstoeachother'sobservationaljournalsandsharethemwiththeclass.阅读下面短文，根据其内容写一篇60词左右的内容概要。Onepossibleversion:Flyingisafastwaytotravel,butitisbadfortheenvironment.(

要点1)Planesusealotoffuelandputlargeamountsof

CO2

intotheatmosphere,andevenshortflightsproducealotof

CO2.(要点2)Wheny