英语unit2《dna》lesson10课件（1）（冀教版九年级下）

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1、Lesson10WhatisDNA?Fillineachblankwiththeproperwordfromthebrackets:Whatis___________(big)animalintheworld?Theseorangesare__________(juice).Pleasehavesome.Ahorseisa__________(help)animal.Look!Mycomputerdoesn’twork.Ineed__________(repair)it.Doesyourcomputerneed______

2、_______________(repair)?5.–Wouldyoumind__________(open)thedoorforme?--No,notall.Ihavemadeupmymind______(help)you.6.Theboy________(call)Mikewasonceathief,butnowhe__________(call)“livingLeiFeng”.juicythebiggesthelpfultorepairrepairing/toberepairedopeningtohelpcalled

3、iscalled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

4、兔子结合起来。Imight_________adinosaur_________arabbit.callhimatthesametimeare/looklikeputtogethercombineandThinkaboutit!Doyouandthestudentsnearyoulookthesame?Whatisthesame?Aretheredifferencesbetweenyouandthem?Whatyouknow“DNA”?Whatcanscientistsdowith“DNA”?“DNA”isshortfor

5、deoxyribonucleicacid.DNAisapatternforyourbodytobuilditself.(likeablueprint)Thetwogirlsaretwins.MaybetheyhavetheidenticalDNA.ZhangLiangyinglookslikehermotherIdenticaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.They’reclones!Let’slearnthenewwords蓝

6、图n.一般意义上的adj.完全相同的adj.双胞胎之一n.卵细胞n.克隆v,n.确认，鉴别v.不但……而且……blueprintgenerallyindenticaltwineggcloneidentifynotonly…butalso…Listentothetapeandanswer”T”or“F”DNAisthepatternourbodyusestobuilditself.Eachlivingthingshasitsown,uniqueDNA.FromyourDNA,scientistscanidentifyyoua

7、ndpeoplerelatedtoyou.OurbonesdonothavethesameDNAasourskin.Allhealthproblemscomefromourfamily’sDNA.LanguagenotesAretheredifferencesbetweenyouandthem?你和他们之间有什么不同吗?【辨析】：between与amongbetween常用于两者之间，among一般指三者或三者以上，如果指三个以上的人或物的每两个之间时，仍然要用between。SwitzerlandliesbetweenF

8、rance,Italy,AustraliaandGermany.瑞士位于法国，意大利，奥地利及德国之间。Theyliveamongthemountains.他们住在群山之中。Iwasamongthecrowd.我处在人群中。Youuseittobuildahouse.你用它来建造房子。use的用法use