冀教版九年级英语下册课件.ppt

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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/toberepairedopeningtohelpcalledis

3、called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.我可能会把恐龙和兔子结

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

5、yribonucleicacid.[di:'ɔksi,raibəunju:'kli:ik]['æsid]DNAisapatternforyourbodytobuilditself.(likeablueprint)Thetwogirlsaretwins.MaybetheyhavetheidenticalDNA.ZhangLiangyinglookslikehermotherIdenticaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.They’r

6、eclones!Let’slearnthenewwords蓝图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”DNAisthepatternforourbodyusestobuilditself.Eachlivingthingshasitsown,uniqueDNA.Fromy

7、ourDNA,scientistscanidentifyyouandpeoplerelatedtoyou.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

8、between。SwitzerlandliesbetweenFrance,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。Yo