Unit+5+Lesson 29教學設(shè)計 冀教版英語九年級全冊

Lesson29DNA--TheStoryofYou教學設(shè)計基本信息課題Lesson29DNA--TheStoryofYou課型閱讀課主備人課時1備課時間2023.10.16授課時間教學目標1.ToreadandunderstandthepassageaboutDNA.2.ToknowmoreaboutDNA.3.Studyhardandworkforourcountry,makeourcountrystrongerandstronger.教學重難點重點general,repeat,grandson,granddaughter,instruction,ingeneral,expectfor,berelatedto,billionsof…難點ToknowmoreaboutDNA.教學策略情境教學法教具準備PPT音頻教學過程主備Step1LeadinAskthestudentsaquestion:WhatdoyouknowaboutDNA?LetthestudentswatchavideoaboutDNA.Howdoesitwork?Let’swatchavideo.Step2PresentShowsomepicturestolearnthenewwordsinthislesson.Askthestudentstoreadaloud,andaskthemtomakesentenceswiththenewwords.Step3Reading1.ListentoPara1-3,andfillintheblanks:Whenyoubuildahouse,youuseablueprint.What’sablueprint?In______,ablueprintisadrawingthatshowhowto______ahousetogetherwithmanydifferent_______.DNAistheblueprintoflife.Butbuildingalivingthing_____far______complexthanbuildingahouse.Ittakes______________yearsfornaturetochangetheDNAinlivingthingstomakethemfittheworldtheylivein.____________areyou?Whatcolouraryoureyes?Whatsizeareyourfeet?Allthesethingsare_______influencedbyyourDNAbeforeyourareborn!Answers:general,put,parts,is,more,millionsof,Howtall,strongly2.Readthepassageagainandwritetrue(T)orfalse(F).1.NaturechangedtheDNAinlivingthingstomakethemfittheworldtheylivein.2.YourDNAdecidedyourheight,youreyecolorandthesizeofyourfeet.3.EveryoneintheworldhastheirownuniqueDNA.4.ThereisonlyonesetofDNAinyourbody.5.YourDNAwillpassontoyournextgeneration.Answers:TFFFTStep4Exercises:1.Fillintheblankswiththephrasesinthebox.ingeneralexceptfornotonly…butalsorelatedtoevenifthesame…as1.Yourhomeworkisquitegood_________afewspellingmistakes.2.________theyoung________theoldlikepopmusic.3.Kate’shairis_________colour___hersister’s.4._________,womenlivelongerthanmen.5.________manydifficultiesremain,wecanovercomethem.6.Iswealth__________happiness?2.askthestudentstofinishNo.3.Step5RetellingWhathaveyoulearntaboutDNA?Fillintheblanksandtrytoretellthepassagetoyourpartner.DNAis_________________.Buildingalivingthingis_________.Ittakesmillionsofyearsfornatureto_________________tomakethemfittheworld.DNAstronglyinfluencedyourheight,youreyecolorandthesizeofyourfeetbefore____________.Exceptforsometwins,everylivingthinghas____________________.Somehealthproblemscanbe_______byproblems_____________.Thereare______ofyourDNAin__________ofyourbody.Scientistscan________notonlyyou,butalsopeoplewho______________you.Step6GroupworkIsitagoodideatochangetheDNAofthefoodweeat?Somepeoplesaydoingthismakesourfoodbetter.Othersthinkit’stoodangerous.SearchtheInternetforinformationandwritedownyourideas.布置作業(yè)1.Writeashortreportaboutitandbringsomephotosofyourgrandparentsandyourself.2.Previewthewordsandexpre