冀教版初三下册_Unit_2_DNA___Lesson_10_What Is DNA.ppt

,Lesson10WhatIsDNA?,Fillineachblankwiththeproperwordfromthebrackets:Whatis_(big)animalintheworld?Theseorangesare_(juice).Pleasehavesome.Ahorseisa_(help)animal.Look!Mycomputerdoesntwork.Ineed_(repair)it.Doesyourcomputerneed_(repair)?5.Wouldyoumind_(open)thedoorforme?-No,notall.Ihavemadeupmymind_(help)you.6.Theboy_(call)Mikewasonceathief,butnowhe_(call)“livingLeiFeng”.,juicy,thebiggest,helpful,torepair,repairing/toberepaired,opening,tohelp,called,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。Theanimalsears_therabbits.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.,callhim,atthesametime,are/looklike,put,together,combine,and,Atask:Makeanewlivingthings!Whatifyoucouldcombineotheranimalsorplantstomakesomethingnew?Think:Whatanimalsorplantswouldyouchoose?Why?Whatwouldyournewanimalorplantbelike?Whatwouldyounameyournewanimalorplant?Why?Writedownyourideas.Talkaboutthemwithyourgroup.Drawapictureofyournewanimalorplant.Havefun!,Whatif,如果该怎么办/会怎么样？,Thinkaboutit!Doyouandthestudentsnearyoulookthesame?Whatisthesame?Aretheredifferencesbetweenyouandthem?Whatyouknow“DNA”?Whatcanscientistsdowith“DNA”?,“DNA”isshortfordeoxyribonucleicacid.,WhatisDNA?Whatisablueprint?Whatareidenticaltwins?Whatdoesidenticalmean?Whatdoesidentifymean?WhatdoyouknowaboutDNA?,Readcarefullyandanswerthefollowingquestions:,pattern,Identicaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.Theyareclones.,theblueprintoflife,thesame,todetermine(鉴定),Languagenotes:,Whenyouwereababy,yourbodyalreadyknewtheanswerstothesequestions.,toprep.“的”,2.Ablueprintshowswheretoputallthepartsofthehouse.Itsthepattern(that/which)youusetobuildthehouse.,theanswertothequestionthekeytothedoor,3.Exceptforidenticaltwins,eachlivingthinghasitsownuniqueDNA.,exceptprep.“除之外”不能用于句首exceptfor“除(瑕疵)，若无”,Languagenotes:,Everyoneofus,_him,wenttothepark.Iusuallygotoschoolbybike_onrainyday.Sheisagoodgirl_herweakhealthcondition._hiscarelessness,heisagoodstudent.,except,except,exceptfor,Exceptfor,except“除之外”besides“除之外(还有)”but和except的用法大致相同,除了他以外，我们都去了。Weallwent_him.除他去以外，我们大家也都去了。Weallwent_him.盒子里除了一张卡片外，没有任何东西。Thereisnothing_acardinthebox.,except,besides,but/except,Languagenotes:,4.Exceptforidenticaltwins,eachlivingthinghasitsownuniqueDNA.YourDNAisineverypartofyourbody.,eachadj.&pron.“每一，每个”指两个或两个以上的人或东西，强调个人或个别everyadj.“每一，每个”只能指三个以上的数量，强调全体或全部,_hasabook._ofushasabook.We_haveacomputer._studenthasabook.Therearealotoftresson_sideofthestreet.,Each,Each,each,Each/Every,她认识班级中所有的学生。Sheknows_pupiloftheclass.她认识班级中每一个学生。Sheknows_pupiloftheclass.,every,each,each,Languagenotes:,5.FromyourDNA,scientistscanidentifynotonlyyoubutalsopeoplerelatedtoyou.,identifyv.“确认；鉴别”identicaladj.“完全相同的”,notonlybutalso“不但而且”用来连接语法结构相同的成分，连接并列的主语时，谓语动词要用“就近原则”,Notonlyyoubutalsohe_(like)popmusic.Hecannotonlysingbutalsodance.HecanspeaknotonlyEnglishbutalsoFrench.Youcaneatlunchnotonlyatschoolbutalsoathome.,likes,Languagenotes:,6.Yourmotherandfatherrelatedtoyou.Soareyoursistersandbrothers.,TomcanspeakFrench.SocanJack.Iamagoodstudent.Soisshe.IwatchedTVlastnight.SodidMary.Theyhavefinishedtheirhomework.Sohavewe.,=Yourmotherandfatherrelatedtoyou.Yoursistersandbrothersarerelatedtoyou,too.,TomcantspeakFrench.NeithercanJack.Iamnotagoodstudent.Neitherisshe.IdidntwatchTVlastnight.NeitherdidMary.Theyhaventfinishedtheirhomework.Neitherhavewe.,区别：Sheisagoodteacher.SoamI.Sheisagoodteacher.Sosheis.,Fillintheblankswithproperprepositionsorconjunctions:Doyouknowtheanswers_thequestions?DNAis_ablueprint.Youcompositionisquitegoodexcept_afewspellingmistakes.Areyoufriendsrelated_you?Areyourarmslong_short?YourboneshavethesameDNA_yourskin.YouhaveyourownDNA,butitrepeatsthepatterns_yourparentsDNA.Somehealthproblemscome_yourfamilysDNA.Scientistscanlook_theseproblemsinyourDNA.,to,like,for,to,or,as,from,from,for,Fillineachblankwiththeproperwordfromthebrackets:1.Thisisthe_(identify)hotelthatwestayedinlastyear.2.Thetwobabiesare_(twin).3.Junefirstis_(child)Day.4.Yourbrothersarepeople_(relate)toyou.5.Weshouldeat_(health)food.6.Doyouknowwhoisthe_(own)ofthehouse?7.Ablueprintisa_(draw).8.Yourbodyusesthispatterntobuild_(it).9.YouhaveyourownDNA,butitrepeatsthepatternsfromyour_(parent)DNA.10.SomehealthproblemscomefromyourfamilysDNA._(science)canlookfortheseproblemsinyourDNA.,identical,twins,Childrens,related,healthy,owner,drawing,itself,parents,Scientists,同义句转换，每空一词：1.Bothheandshearecomingtotheparty._he_she_comingtotheparty.2.Tomdrawswell.Lindadrawswell,too.Tomdrawswell._.3.Dadseyesarenotverybig.Minearenotverybig,either.Dadseyesarenotverybig._.4.Sometimestheycanhelpyoubeforeyoufallill.Sometimestheycanhelpyoubeforeyou_ill.5.LucyisasoldasLily.Lucyhas_ageasLily.6.Weallwenttothepark,butJennydidntgo.Weallwenttothepark_Jenny.7.JohnisfromCanada.John_fromCanada.,Notonly,SodoesLinda,butalso,is,Neitheraremine,become,thesame,except/but,comes,根据汉语意思完成句子，每空一词：你穿多大号的鞋？_shoesdoyouwear?2.我们用蓝图建造房子。We_ablueprint_ahouse.3.除了窗子小外这座房子很漂亮。Thehouseisbeautiful_thesmallwindows.4.你的头发和皮肤有同样的DNA。Yourhairhas_yourskin.5.她不但会唱歌，而且会跳舞。Shecan_sing_dance.6.每一个生物都有自己独特的DNA。_itsownuniqueDNA.7.昨晚他去看电影了，我也去了。Hewenttoseeafilmyesterdayevening._.