英语Unit2DNALesson10WhatIsDNA（冀教版九年级下册）

Lesson10WhatIsDNA?Fillineachblankwiththeproperwordfromthebrackets:Whatis___________(big)animalintheworld?Theseorangesare__________(juice).Pleasehavesome.Ahorseisa__________(help)animal.Look!Mycomputerdoesn’twork.Ineed__________(repair)it.Doesyourcomputerneed_____________________(repair)?5.–Wouldyoumind__________(open)thedoorforme?--No,notall.Ihavemadeupmymind______(help)you.6.Theboy________(call)Mikewasonceathief,butnowhe__________(call)“livingLeiFeng”.juicythebiggesthelpfultorepairrepairing/toberepairedopeningtohelpcallediscalled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合起来。

Imight_________adinosaur_________arabbit.callhimatthesametimeare/looklikeputtogethercombineandAtask: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?Whatareidentical

twins?Whatdoesidenticalmean?Whatdoesidentifymean?WhatdoyouknowaboutDNA?Readcarefullyandanswerthefollowingquestions:pattern

Identicaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.Theyareclones.theblueprintoflifethesame

todetermine(鉴定)

Languagenotes:Whenyouwereababy,yourbodyalreadyknewtheanswerstothesequestions.toprep.“……的”2.Ablueprintshowswheretoputallthepartsofthehouse.It’sthepattern(that/which)youusetobuildthehouse.theanswertothequestionthekeytothedoor3.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.exceptexceptexceptforExceptforexcept“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.exceptbesidesbut/exceptLanguagenotes: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.EachEacheachEach/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.everyeacheachLanguagenotes:5.FromyourDNA,scientistscanidentify

notonlyyoubutalsopeoplerelatedtoyou.identifyv.“确认；鉴别”

identicaladj.“完全相同的”notonly…butalso…“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.likesLanguagenotes:6.Yourmotherandfatherrelatedtoyou.Soareyoursistersandbrothers.TomcanspeakFrench.So

canJack.Iamagoodstudent.So

isshe.IwatchedTVlastnight.So

didMary.Theyhavefinishedtheirhomework.So

havewe.=Yourmotherandfatherrelatedtoyou.Yoursistersandbrothersarerelatedtoyou,too.Tomcan’tspeakFrench.Neither

canJack.Iamnotagoodstudent.Neither

is

she.Ididn’twatchTVlastnight.Neither

didMary.Theyhaven’tfinishedtheirhomework.Neither

havewe.

区别：Sheisagoodteacher.SoamI.

Sheisagoodteacher.Sosheis.Fillintheblankswithproperprepositionsorconjunctions:Doyouknowtheanswers________thequestions?DNAis________ablueprint.Youcompositionisquitegoodexcept________afewspellingmistakes.Areyoufriendsrelated________you?Areyourarmslong________short?YourboneshavethesameDNA_______yourskin.YouhaveyourownDNA,butitrepeatsthepatterns________yourparents’DNA.Somehealthproblemscome________yourfamily’sDNA.Scientistscanlook_______theseproblemsinyourDNA.tolike

fortoorasfromfromforFillineachblankwiththeproperwordfromthebrackets: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.Somehealthproblemscomefromyourfamily’sDNA._________(science)canlookfortheseproblemsinyourDNA.identicaltwinsChildren’srelatedhealthyownerdrawingitselfparents’Scientists同义句转换，每空一词：1.Bothheandshearecomingtotheparty.________he_________she_____comingtotheparty.2.Tomdrawswell.Lindadrawswell,too.Tomdrawswell.____________________.3.Dad’seyesarenotverybig.Minearenotverybig,either.Dad’seyesarenotverybig._______________________.4.Sometimestheycanhelpyoubeforeyoufallill.Sometimestheycanhelpyoubeforeyou_________ill.5.LucyisasoldasLily.Lucyhas________________ageasLily.6.Weallwenttothepark,butJennydidn’tgo.Weallwenttothepark___________Jenny.7.JohnisfromCanada.John______fromCanada.NotonlySo

doesLindabutalsoisNeither

areminebecomethesameexcept/butcomes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