英语：Unit-2-《DNA》Lesson-11课件1冀教版九年级下

Lesson11:CloningPeople?,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,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._.,Whatsize,use,tobuild,exceptfor,thesameDNAas,notonly,butalso,Eachlivingthinghas,SodidI,Atask:WhatthingsaboutyoushowyourparentsDNA?Withapartner,talkaboutthingsthatarethesamebetweenyouandyourparents.Youcanstartlikethis:Momistall.SoamI.Dadseyesarenotverybig.Neitheraremine.,Thinkaboutit!WhatisDNA?Whatareidenticaltwins?WhatdoyouknowaboutDNA?DoyouknowDolly,thefirstclonedsheep?Whatifscientistscouldmakeclonesofhumanbeings?EachclonewouldhavethesameDNA.Butwouldtheybeexactlythesameastheoriginalhuman?Orwouldtheybedifferent?,the“blueprintoflife”,Scientistsclonedinosaurs,Isitpossibleforscientiststoclonepeople?,Newwords,clonev.克隆humanbeing人类exactlyadv.精确的originaladj.原始的dividev.分开eggn.卵细胞；卵子adultadj成年的Dolly多利designv.设计insectn.昆虫damagev.损害,ListeningTask:,Theclonesarethe_height.Thereare_waystoclonepeople.,same,two,CanwemakeclonesfromdeadDNA?Whatarethetwowaystoclonepeople?Wouldcloninghumansbeagoodorbadthing?,Readcarefullyandanswerthefollowingquestions:,Wecandivideagrowingegginhalf.ThenwewouldhavetwoeggswiththesameDNA.Orwecouldcloneanadultperson,thesamewayscientistsclonedDolly,thesheep.,CanscientistsdesignnewplantsoranimalsbycombiningtheDNAofotherplantsoranimals?WhathavescientistsdesignedbychangingDNA?Whyaresomescientistsworried?,Readcarefullyandanswerthefollowingquestions:,Strongercottonplants.Anewkindofcorn.Anewkindofrice.Cowsthatmakemoremilk.,damageinsect,Languagenotes:,1.Whatifscientistscouldmakeclonesofhumanbeings?,whatif“要是会怎么样/怎么办？”后面是条件状语从句,Whatiftheplantsarebadforhumans?Whatifyoucouldcombineotheranimalsorplantstomakesomethingnew?Idontlikebange(蹦极)atall.Whatiftheropebreaks?Youmustworkhardnow.WhatifyoufailintheexaminationofJune?,makeclonesofsb./sth.clonesb./sth.,clonen.非但尤其是”morethan+数词=over+数词“以上；不止”,Heismorethanateacher.Heisadoctor,too.Therearemorethan/overfiftystudentsintheclassroom.,5.Manythingschangeus:theplaceswelive,thefoodweeatandthepeopleweknow.,6.Wecandivideagrowingegginhalf.,Pleasedividetheappleinhalf/intohalves.Letsdivideourselvesintoseveralgroups.,dividev.“分开，分割”常与in或into连用,divide和separate这两个词都有“分开”的意思，但含义和用法都不太相同。divide指的是把人或物分成若干等分，常与介词into连用；separate指的是将一个整体的物品分开或将两个靠近的物品分开，使其不在一起，常与介词from连用。Letsdividethesebooksintotenparts.我们把这些书分成10份吧。Afenceseparatedthecowsfromthepigs.围栏把奶牛和猪分开了。2)英语中的“一半”是ahalf。但如果说“一半的”，也就是说如果后接一个名词时，则多用halfa+名词。,【拓展】：halfakilo0.5千克halfaday/week/year半个/半个星期/半年halfanegg/apple半个鸡蛋/苹果halfakiloofbread/bananas/meat千克的面包/香蕉/肉a.oneandahalf后面习惯接复数名词Thefilmlastedoneandahalfhours.这场电影演了一个半小时。b.halfof之后接单数名词（代词宾格）是谓语用单数；若接复数名词（代词宾格）位于用复数。Halfofitisgood.那一半是好的。Halfofthemaregood.那些的一半是好的。c.twohoursandahalf多用于口语；twoandahalfhours多用于书面语，均为“2.5”个小时。twoandahalf之后要跟复数名词，单数动词。如：Twoandahalfhourspassesquickly.2.5个小时过得很快。从上下文看，当half作为名词单数表示一系列的可数东西时谓语动词用复数。如：Halfareeatenbyhimself.他自己吃了一半。,Languagenotes:,7.Orwecouldcloneanadultperson,thesamewayscientistsclonedDolly,thesheep.,9.TheycandesignnewplantsbycombiningtheDNAofotherplants.,takefrom“从提取”putinto“把放入”,8.ScientistscantakeDNAfromonekindofanimalandputitintoanotherkindofanimal.,designv.“设计；计划”designern.“设计者”,Languagenotes:,Who_canplaytheguitar?Where_didyougo?Doyouhaveanything_tosay?The_boysareplayingfootball.Whatsthatinyourthe_hand?,else,else,else,other,other,else修饰不定代词、疑问代词或疑问副词，必须位于这些词后other修饰名词，位于名词的前面,10.WhatelsehavescientistsdesignedbychangingDNA?,11.Itmayletscientistsfindnewwaystohelpsickpeople.这也许能帮助科学家们找到帮助病人的新方法。sick和ill都是形容词，表示“生病的”，但二者无区别：ill只可用作表语；而既可作表语，也可做定语。Heisill/sickinhospital.他生病住院了。Heisasickboy.（正）Heisanillboy.（误）这男孩生病了。【注意】：sick,ill都作“病了”解，但英国人多说ill，美国人多说sick。说患病，人是sick或ill都可以，但动植物一般是sick而不是ill。此外，ill一般不会用在名词之前。,12.Ithinkitwouldbefuntohaveatwin,butIdontthinkIwouldwanttobecloned!我认为有个双胞胎会很有趣，但是我认为我不想被克隆。当think,believe,expect,suppose,imagine等表示看法、意见的动词后接含not的宾语从句时且主句主语为第一人称，习惯上把not移到主句之中，构成否定转移。如：Idontthinkthatsheisinterestedinmaths.我认为她对数学没有兴趣。Idontthinkitsnecessaryforthemtobuysobigahouse.我认为他们没有必要买那么大一座房子。,13.WhatkindofDNAaretheywearing?他们带有哪种DNA?【辨析】：wear,puton与dresswear表示“穿，穿着”“戴，戴着”，强调状态。puton表示“穿上，戴上”，强调动作。dress表示“穿衣”，其宾语是表示人的名词，而不是表示衣服的名词。Healwayswearsahat.他总是戴着一顶帽子。Putonyourglassesifyoucantseeclearly.看不清的话，就戴上眼镜。Shedressedherselfinaredcoat.她穿上一件红色大衣。,Fillineachblankwiththeproperwordfromthebrackets:Whatifit_(rain)tomorrow?Otherpeoplethinkhuman_(clone)isokay.EveryoneexceptJimandJohn_(be)therewhenthemeetingbegan.LiLei,togetherwithus_(be)playingnow.Hisunclehasbeen_(die)formanyyears.LiLeiisalways_(worry)abouthisstudies.Whathesaidmakesme_(worry).Whoisthe_(design)ofournewschoolbuilding?9.Theboycan_(exact)learnthesenumbersbyheart.10.LiYuchunis1.74metresin_(high).,rains,cloning,was,dead,worried,worried,designer,exactly,height,is,同义句转换，每空一词：WhatelsehavescientistsdesignedbychangingDNA?What_havescientistsdesignedbychangingDNA?2.ThecomputersaremadeinJapan.Theysellwell.Thecomputers_inJapansellwell.Thecomputers_inJapansellwell.3