1.DNA脱氧核糖核酸2.blueprintn.蓝图3.generaladj.一般的;普通的e.g.Heteachesthemgeneralknowledgeandlifeskills.他教给他们一般性知识和生活技能。4.complexadj.复杂的5.twinn.双胞胎之一;孪生儿之一6.repeatv.重复;复述;背诵e.g.Willyoupleaserepeattheword?请你重复一遍这句话好吗?7.patternn.模式;形式8.identifyv.确认;鉴别9.relatedadj.有关的;相关的10.grandsonn.孙子;外孙e.g.Agrandmaiskissinghergrandson.一位奶奶在亲吻她的孙子。11.granddaughtern.孙女;外孙女e.g.Theoldwomanoftenconsidersthegirl(as)hergranddaughter.这个老女人把这个女孩当成她的孙女。12.instructionn.指示;说明e.g.Thedoctorgaveherabottleofmedicine(药)andtoldhertotakeitastheinstruction.医生给了她一瓶药并告诉她吃药的方法。●WhatdoyouknowaboutDNA?●WhatcanscientistsdowithDNA?Readthelessonandanswerthequestions.1.Whatisablueprint?2.Whichismorecomplex,buildingalivingthingorbuildingahouse?Ablueprintisadrawingthatshowshowtoputahousetogetherwith/usingmanydifferentparts.Buildingalivingthingisfarmorecomplexthanbuildingahouse.3.DosometwinshavethesameDNA?4.IsitpossibletochangeyourDNA?5.WhoseDNAisrelatedtoyours?Yes,itis.Inthefuture,scientistsmightbeabletochangeourDNA.Peoplewhoarerelatedtoyou.Forexample,yourparentsandgrandparents.Yes,sometwinshavethesameDNA.1.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.一般而言,蓝图就是一幅图纸,它显示一座房子的构造。ingeneral意思是“一般而言;概括说来(通常置于句首)”。也可以用generallyspeaking来表示。e.g.Ingeneral/Generallyspeaking,womencrymoreeasilythanmen.一般而言,女人比男人容易哭。2.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.但创造一个生物比盖房子要复杂得多。far用来修饰形容词和副词的比较级,这样的词语还有much,still,even,no,alittle,abit,alot,rather,any等。e.g.Theroomisabitlargerthanthatone.这个房间比那个稍大一点。Heworksstillharderthanever.他比以往更加努力学习了。Mattersarealotbetterthaneverbefore.情况远远比以往好。Canhejumpanyhigher?他能跳得更高一些吗?LessonOneismucheasierthanLessonTwo.第一课比第二课容易得多。Tomlooksevenyoungerthanbefore.汤姆看上去甚至比以前还年轻。Thistrainrunsmuchfasterthanthatone.这辆火车比那辆快得多。3.Exceptforsometwins,everylivingthingshasitsownuniqueDNA.除了同卵双胞胎之外,每个生物都有自己独特的DNA。exceptfor是“除……之外”的意思,但强调对某种基本情况进行具体的细节方面的修正,也可以说是对主要部分的肯定和对局部的否定,它不表示同类事物之间的关系。e.g.Exceptforoneoldlady,thebuswasempty.除一位老太太乘坐外,公共汽车空无一人。Shewouldhaveleftherhusbandyearsagoexceptforthechildren.要不是为了孩子,她几年前就离开她的丈夫了。except意思是“除……之外”,它要求排除的是同类。另外,except一般不用于句首。e.g.WeallwenttothezooexceptLiMing.除了李明以外,我们都去了动物园。IdidnothingexceptwatchingTVyesterday.昨天,我除了看电视以外,什么也没干。besides意思是“……之外(尚有……)”,包括besides之后的内容。e.g.HealsoknowsJapanesebesidesEnglish.除了英语之外,他也懂日语。(两门外语他都懂)Twootherboysareondutytodaybesidesyou.包括你在内还有两名男孩今日值日。(共三人)【运用】将下面的汉语句子翻译成英语。昨天,除玛丽以外,我们都去公园了。__________________________________________________________________WeallwenttotheparkyesterdayexceptMary.4.FromyourDNA,scientistscanidentifynotonlyyou,butalsopeoplewhoarerelatedtoyou.科学家们不但能够辨认出你,而且能够辨认出和你有血缘关系的人。relate与to/with连用,表示“与……有关”或“使互相关联”。e.g.He...