描写植物的营养作文范文.doc

描写植物的营养作文范文 导语：那青翠欲滴的叶子中星星点点地冒出几个白中泛绿的小花蕾左躲右藏地好像怕羞的小女孩下面是小编为大家整理的英语范文希望对大家有所帮助,欢迎阅读仅供参考更多相关的知识请关注CNFLA学习网 Iwanttokindofbeans,mungbeans,becauseeverytimeIeatsoymilkinthought,ifIcankindofsoybeanandgreenbean,Icanusemykindofsoybeanandgreenbeangotthesoyabeanmilk.Iamathometotakeaflowerpot,flowerpotiswhite.Itakeoutyourhomesoilagain. Itookoutmybeansandgreenbeansholdinhand,cool,thencarefullyputtheseedsburiedintheground,Icannotwaittolongitout,Iwatertheseedeveryday,fertilization.Seedsmaysometimesspeakinsoilinthemothersarms,possiblesoilmothertellher:theoutsideworldcanbebeautiful,peachblossomsmileredinthefaceandshookthewillowsgreenlongbraids,chatteringswallow. Adayafterday.EverydayIgoodcareofintheseed.Oneday,hefinallybreakout?Iama磞high,hurrytocallmomanddad,momanddadwasveryhappyDayafterday.Apotofbeansgrowback,justcantseemungbeansprout.Greenbeansarealsoinsleeplate?LongafterIfromdaytodaycare,finallyoutMaybeofwomenandchildrencalltowakethebirdsandspring?Iknowthattheteacheraskedustowritethepositioniswhy?Becausetheteacherwantedustoknowafewseedissodifficult,butmotherraiseusevenharder.Imustrepaythemother. Althoughmyseedsgrowback,buttherearestudentsofplantisbetterthanmine.Iwanttotakegoodcareofmylittlebettersprouts. 我想种黄豆、绿豆因为我每次吃豆浆的时候都在想如果我能种黄豆和绿豆的话我就可以用我种的黄豆和绿豆打豆浆了我就在家里拿了一个花盆花盆是白色的我又把家里的土拿出来 我拿出黄豆和绿豆捧在手上冰凉的再把种子小心翼翼的埋在土里我就迫不急待的想要它长出来我每天给种子浇水、施肥种子也许有时还在土壤妈妈的怀抱里说话可能土壤妈妈在告诉她：“外面的世界可美丽了桃花笑红了脸柳树摇着绿色的长辫子小燕子叽叽喳喳地叫着” 过了一天又一天每天我都在细心的照顾着种子一天他终于破土而出了?我高兴得一磞老高赶快叫爸爸妈妈来看爸爸妈妈也很开心一天又一天一盆黄豆都长出来了就是没看见绿豆芽绿豆宝宝是不是还在睡懒觉呢?经过我一天天的照顾终于长出来了可能是小鸟和春姑娘和小朋友呼唤醒的?我知道老师让我们写这篇作文是为什么?因为老师想让我们知道养几粒种子都这么难可是母亲养我们就更难了我一定要报答母亲 虽然我的种子长出来了可还有同学培养的植物比我的更棒我要更好地照顾好我的小芽 Thebooksays,alllivingthingswillbebreathing.Ithink:peopleandanimalsbreatheispossible,buthowplantsbreath?Inordertoconfirmthebook,Idecidedtodoanexperiment. Ichosesixpiecesfromhomecallastheleavesofthisplant.Theyareverystrong,growverdant.Idividedthemintotwogroupstodoexperiments. Iwasinthefirstsetofabovethreeleafbladeevenlycoatedwithvaseline.Underasecondsetofthreeleafbladeevenlycoatedwithvaseline. Twodayslater,Ifoundthatthefirstgroupandleavesnochange,becauseintheleavesofplants,withmanysmallholesthroughthem,calledpores.Allkindsofplantleaves,undertheskinstomatalmorewithless,generalundertheporosityofleafepidermismorethanontheskin.Plantsabsorbcarbondioxidefromtheairisthroughthestomataandoxygen.Usevaseline,afterbesmearisonbladeisclosedpores,madefromthehole,throughtheair.Plantsusedinthemanufactureoffuelenergy(sunlight)mostlyontheleaf,andpetroleumjellycoatingcannotblockthesun.Inaddition,thewaterfromtherootsbystem,noraffectedbypetroleumjelly,sofoliarbladewillnotbeaffectedbyanycoatedwithvaseline. Thesecondgroupofleafblight.Becausethebladeisappliedwithvaseline,ontheundersideoftheleaves,plantgrowthandmostoftheporosityandaveragesunlightislessthantheback,neitherfromporesintotheair,butnotfromstomatalout,sothebladewillsoonwither. Bydoingthisexperiment,Iknowthattheplantismainlywiththebladeonthebackofthebreath,cannotbreatheinthebladeisappliedinplants.Iknowhowshouldprotectplants. 书上说：“凡是有生命力的东西都要呼吸”我想：“人和动物呼吸是有可能的可植物怎样呼吸呢?”为了证实书上的话我决定做个实验 我从家里选择了六片“马蹄莲”这种植物的叶子它们都是十分健壮长得绿茵茵的我把它们分成两组来做实验 我在第一组的三片叶子的叶片上面均匀地涂上了凡士林在第二组的三片叶子的叶片下面均匀地涂上了凡士林 两天后我发现：第一组和叶片没有什么变化因为在植物的叶片上生有许多小孔叫气孔各种植物的叶片上、下表皮的气孔有多有少一般叶片上的气孔下表皮比上表皮多植物就是通过这些气孔吸收空气中的二氧化碳和氧气用凡士林涂在叶片上后气孔被封闭了使空气不能从气孔通过植物用于制造养料的能源(阳光)大都照在叶面上而凡士林的涂层不能阻挡阳光另外水