2021届高一年概要写作指导

Asonegoesthroughlife,onelearnsthatifyoudon'Asonegoesthroughlife,onelearnsthatifyoudon'tpaddleyourowncanoe,youdon'tmove.在人牛的路上，你会发现如果不靠自己，你不会前讲。Asonegoesthroughlife,onelearnsthatifyoudon'Asonegoesthroughlife,onelearnsthatifyoudon'tpaddleyourowncanoe,youdon'tmove.在人牛的路上，你会发现如果不靠自己，你不会前讲。20212021届高一年概要写作指导第页文体类型三：说明文Human,don'tcometoocloseWhenweseebabiesorpets,wecan'thelpgentlytouchingthemtoshowourlove.Andtheygiveushappyfeelingsback.Butarecentstudyshowsthatit'sdifferentforplants.Astudy,publishedinThePlantJournal,showsthatplantsdon't“like"tobetouched.That'sbecausetouchingchangestheirgenes（基因）and,evenworse,canslowtheirgrowth.ProfessorJimWhelanoftheLaTrobeInstituteinAustraliagaveanexplanation.“Thelightesttouchfromahuman,animal,insect,orevenplantstouchingeachotherinthewind,leadstoahugegenechangeintheplant,"ScienceDailyreported.Inordertotestthetheory,thescientistsdidanexperimentonplants.Theygrewanumberofplantstotheageoffourweeks.Thentheytouchedthemwithapaintbrushevery12hoursovera36-hourperiod.Theyfoundthatasaresponsetothetouch,themitochondria（线粒体）intheplantshadbeenpartlydestroyed.Themitochondria,asScienceAlertnoted,arethe“powerhouseofthecell（纟田胞）".Themitochondriaproduceenergyfortherestofthecellinbothanimalsandplants.Ifthis“powerhouse"isweakened,theplantswilllosealargeamountofenergythatshouldhavesupportedtheirgrowth.WhelanfurtherexplainedtoScienceDaily,“Ifthetouchingisrepeated,thenplantgrowthisreducedbyupto30percent."Althoughtheprocessdoeshaveastrongeffectonplants,usuallytheplantssurvive.Touchingchangestheplants,butit'snotnecessarilyabadchange.AccordingtoScienceAlert,frequenttouchingormovingplantswillmakethemgrowshorterthanotherones.Theresearchersbelievethischange,insomeway,couldbehelpful.Itmayhelpplantsfightthreatstotheirhealthsuchasinsectsandbadweather.Thenewresearchfindingshaveledtoadeeperunderstandingoftheplants'responsetotouching.Andtheresearchmight“openupnewwaystoreducesensitivity（敏感性）andoptimize（优化）growthinthefuture",ScienceAlertreported.I.Reading读把握文本的框架Para1-3:beginningintroductiontotherecentstudyPara4-10:bodythefindingsofthestudyPara11:conclusiontheinfluenceofthestudy理出各部分的主要内容Arecentstudyshowsthattouchingcanchangethegenesofplants.说明文的概要要开门见山，直接切入主题。a.Reasons:Frequenttouchingaffectsandevendestroysmitochondria.b.Othereffectsofthechangefromtouching.—Thechangemaybehelpfulforplants此处4-7段有关触摸如何影响植物生长的解释；8-10段有关这种触摸带来基因的改变，并非都是不好的，也可能是有助于植物生存的。Theresearchcanhelpusbetterunderstandplants.说明这个科学研究的意义。II.Writing写Accordingtoarecentstudy,touchingcanchangethegenesofplantsandevenslowtheirgrowth.Intheexperimentconductedtotestthistheory,themitochondria,whichproduceenergyforthecell（从句解释了什么是线粒体）,wereaffecte（d此处有同学认为用damaged更好）,thusreducingthegrowthoftheplants（现在分词说明结果）.However,scientistsbelievethechangemaybehelpfulforplantsinotheraspects（此处这个要点很容易被漏掉）.Anyway,theresearchisofgreatimportancetothestudyofplants/t