Unit5Lesson29DNA-TheStoryofYouDNAblueprintgeneralcomplextwinrepeat脱氧核糖核酸n.蓝图adj.一般的;普遍的adj.复杂的n.双胞胎之一;孪生儿之一v.重复;复述;背诵WordsandExpressionspatternidentifyrelatedgrandsongranddaughterinstructionn.模式;形式v.确认;鉴别adj.有关的;相关的n.孙子;外孙n.孙女;外孙女n.指示;说明WordsandExpressionsTheylookalike.YourDNAcomesfromyourparents.WhatisDNA?WhatdoesDNAstandfor?DNAissomethingthatalllivingthingshave.Itcarriesthegeneticinformationthatmakeseverylivingthingwhatitis.DNAisshortforthefullscientificterm“deoxyribonucleicacid”(脱氧核糖核酸).1.ToreadandunderstandthepassageaboutDNA2.ToknowmoreaboutDNA3.Tolearnsomeusefulwordsandexpressions:general,repeat,grandson,granddaughter,instruction,ingeneral,expectfor,berelatedto,billionsof…ObjectivesPartIBlueprintPartⅡDNALet’slearnmoreaboutDNA.Skimthepassageanddivideitintodifferentparts.ReadPart1andcompletethesentences.Blueprint1._________,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.2.Buildingalivingthingis________complexthanbuildingahouse.3.IttakesmillionsofyearsfornaturetochangetheDNAinlivingthingsto_____them___theworldtheylivein.IngeneralfarmoremakefitReadPart2andcompletethesentences.DNAisfantastic1._________sometwins,everylivingthinghasitsownuniqueDAN.2.Somehealthproblemscan________byproblemsinyourDNA.3.TherearecopiesofyourDNAisevery_________yourbody.Expectforbecausedpartof4.Youhaveyourown______DNA,butitrepeatspatternsfromyourparents’DNA.(FromyourDNA,scientistscanidentify________you,________peoplewhoarerelatedtoyou.)5._______youhaveagrandsonorgranddaughter,heorshewillhaveyourDNA.uniquenotonlybutalsoWhenReadthelessonandanswerthequestions.P7511.Whatisablueprint?2.Whichismorecomplex,buildingalivingthingorbuildingahouse?3.DosometwinshavethesameDNA?4.IsitpossibletochangeyourDNA?5.WhoseDNAisrelatedtoyours?1.Ablueprintisadrawingthatshowshowtoputahousetogetherwith/usingmanydifferentparts.2.Buildingalivingthingisfarmorecomplexthanbuildingahouse.3.Yes,sometwinshavethesameDNA.4.Yes,itis.Inthefuture,scientistsmightbeabletochangeourDNA.5.Peoplewhoarerelatedtoyou.Forexample,yourparentsandgrandparents.Fillintheblankswiththephrasesinthebox.ingeneralexceptfornotonly…butalsorelatedtoevenifthesame…as1.Yourhomeworkisquitegood_________afewspellingmistakes.2.________theyoung________theoldlikepopmusic.3.Kate’shairis_________colour___hersister’s.4._________,womenlivelongerthanmen.5.________manydifficultiesremain,wecanovercomethem.6.Iswealth__________happiness?exceptforNotonlybutalsothesameasIngeneralEvenifrelatedto2P753Completethepassagewiththesentencesinthebox.ChangingDNADoyouknowDNAcanbechanged?Haveyoueverseenapigwithadog’sbody?Ofcoursenot!Pigsanddogscan’thavebabiestogether._____Butnow,scientistscandoit.ScientistscantakeDNAfromonekindofanimalandputitintoanotherkindofanimal.TheycandesignnewplantsbycombiningtheDNAofotherplants._____Somescientistsareworried.TheysayweneedtoknowmoreaboutDNAbeforewestartchangingit._____Butwhatiftheplantsarebadforhumans,too?A.TheirDNAcan’tcombine.B.Wecanmakeplantsthatarebadforpests.C.TheycanevencombinetheDNAofaplantandananimal.ACBP75WhatcanscientistsdowithDNA?4IsitagoodideatochangetheDNAofthefoodweeat?Somepeoplesaydoingthismakesourfoodbetter.Othersthinkit’stoodangerous.SearchtheInternetforinformationandwritedownyourideas.TranslatetheChineseintoEnglish.ingeneralliveinexceptforinthefuturelookfornotonly…butalso…berelatedtobillionsofontheearththesame…as一般而言;通常住在(某地)除……之外在未来寻找不仅……而且……与……相关数以亿计的;大量在地球上与……同样的1.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.一般而言,蓝图就是一副图纸,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。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。Theroomisabitlargerthanthatone.这个房间比那个稍大一点。Heworksstillharderthanever.他比以往更加努力学习了。3.Exceptforsometwins,everylivingthinghasitsownuniqueDNA.除了同卵双胞胎之外,每个生物都有自己独特的DNA。exceptfor意思是“除……之外;要不是由于”,它要求排除的是不同类的。Thecityisgoodexceptfortheweather.除天气外,这座城市还不错。Exceptforoneoldlady,thebuswasempty.除一位老太太乘坐外,公共汽车空无一人。except“除……之外”,一般不用于句首。WeallwenttothezooexceptLiMing.除了李明以外,我们都去了动物园。besides“除……之外(尚有……)”,包括besides之后的内容。HealsoknowsJapanesebesidesEnglish.除了懂英语之外,他也懂日语。(两门外语他都懂)4.FromyourDNA,scientistscanidentifynotonlyyou,butalsopeoplewhoarerelatedtoyou.从你的DNA中,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。relateto/with表示“与……有关,使互相关联”。Heisrelatedtomyfamily.他与我的家庭有关系。Thematterrelatestohim.这事与他有关。注:另附word文档,点此链接Ⅰ.根据汉语提示完成句子。1.The_______(普遍的)opinionisthattheconference(会议)wassuccess.2.Couldyou______(重复)thatquestionforme?3.You’llgetnowhereifyoufollowhis__________(方法).4.Ourcultureismore_______(复杂的)thanheknows.5.Wouldyoubeableto_______(辨别)themanwhorobbedyou?generalrepeatinstructioncomplexidentifyⅡ.翻译下列句子。1.我认为有必要从整体上改进我们的教育体系。Ithinkweneedtoimproveoureducationalsystemingeneral.2.我把我所有的东西都卖掉了,只剩下汽车和书。3.轻工业和农业密切相关。Isoldeverythingexceptformycarandmybooks.Lightindustryiscloselyrelatedtoagriculture.本课重点回顾1.Ingeneral,ablueprintisadrawingthatshowshowtoput