九年级英语下册：Unit2 DNA Lesson 10 What Is DNA 课件(冀教版).ppt

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1、Lesson10WhatIsDNA?Fillineachblankwiththeproperwordfromthebrackets:Whatis___________(big)animalintheworld?Theseorangesare__________(juice).Pleasehavesome.Ahorseisa__________(help)animal.Look!Mycomputerdoesn’twork.Ineed__________(repair)it.Doesyourcomputerneed_____________________(repair)?5.–Wouldyoum

2、ind__________(open)thedoorforme?--No,notall.Ihavemadeupmymind______(help)you.6.Theboy________(call)Mikewasonceathief,butnowhe__________(call)“livingLeiFeng”.juicythebiggesthelpfultorepairrepairing/toberepairedopeningtohelpcallediscalled根据汉语意思完成句子，每空一词：我们都叫他小李。Weall__________________XiaoLi.2.昨天晚上我和父亲

3、同时到家。MyfatherandIgothome_______________________yesterdayevening.3.这个动物的耳朵像兔子的耳朵。Theanimal’sears_________________therabbit’s.4.他们把不同的零件放在一起。They_________thesedifferentparts__________.5.我可能会把恐龙和兔子结合起来。Imight_________adinosaur_________arabbit.callhimatthesametimeare/looklikeputtogethercombineandAtask:M

4、akeanewlivingthings!Whatifyoucouldcombineotheranimalsorplantstomakesomethingnew?Think:Whatanimalsorplantswouldyouchoose?Why?Whatwouldyournewanimalorplantbelike?Whatwouldyounameyournewanimalorplant?Why?Writedownyourideas.Talkaboutthemwithyourgroup.Drawapictureofyournewanimalorplant.Havefun!Whatif…,如果

5、……该怎么办/会怎么样？Thinkaboutit!Doyouandthestudentsnearyoulookthesame?Whatisthesame?Aretheredifferencesbetweenyouandthem?Whatyouknow“DNA”?Whatcanscientistsdowith“DNA”?“DNA”isshortfordeoxyribonucleicacid.WhatisDNA?Whatisablueprint?Whatareidenticaltwins?Whatdoesidenticalmean?Whatdoesidentifymean?Whatdoyoukno

6、waboutDNA?Readcarefullyandanswerthefollowingquestions:patternIdenticaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.Theyareclones.theblueprintoflifethesametodetermine(鉴定)Languagenotes:Whenyouwereababy,yourbodyalreadyknewtheanswerstothesequestions.toprep.“……的”2.Ablueprintshowswhereto

7、putallthepartsofthehouse.It’sthepattern(that/which)youusetobuildthehouse.theanswertothequestionthekeytothedoor3.Exceptforidenticaltwins,eachlivingthinghasitsownuniqueDNA.exceptprep.“除……之外”不能用于句首except