高中英语unit 2 cloning必修八新人教版.docx

高中英语unit 2 cloning必修八新人教版.docx

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高中英语unit2cloning必修八新人教版

Unit2Cloning

Teachingaims:

1.Topic

Talkingaboutcloning

2.Usefulwordsandexpressions:

Strawberry,differ,exact,straightforward,breakthrough,disturbing,cast,altogether,objection,media,ceiling,shortly,retire,assumption,merely,decoration,zebra,aloud.

Expressions:

castdown,objectto,themedia,infavourof,boundto,fromtimetotime,bringbacktolife,payoff.

3.Functionalitems:

Expressingandsupportinganopinion

I’mhappytoaccept…but…

I’mnotbotheredabout…

Iwouldneveraccept…

Idon’tmindbut…

Ihopeyou’llcarryon…

Areyousureyouwantto..?

Iagreewithyouthat…

Isitfairto…?

Doyouthinkitiswiseto…?

Ithinkyoushould…

Welldonetoyoufor…

Idon’tunderstandwhyyoudon’t…

Ican’thelpthinking…

Icouldneveragreeto…

4.Grammar

ReviseNounClauses（astheAppositive）

1.Nobodysharesmybeliefthathewasmad.

2.Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.

3.Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.

Teachingprocedures

Period1Reading

Step1.Warmingup

A.Leadin:

Ifnecessary,introducesomethingaboutcloningbyquestionsandanswers:

Thethreetypesofcloning:

1.recombinantDNAtechnologyorDNAcloning;2.reproductivecloning;3.therapeuticcloning

B.DiscussthepicturesonP10,thenfinishthewarming-upexercises.

Questionsaboutcloning:

1.What’scloning?

2.Howisacloneproduced?

3.Whatbenefitscanhumansgainfromcloning?

4.Whatproblemsmayarisewhenhumansarecloned?

5.Shouldweclonehuman?

6.Couldcloningreplacesexasthemeansofcreatinghumanlife?

Step2.Reading

Task1:

Ssscanthepassageandtrytogetthemainideaofeachparagraph:

Suggestedanswers:

Para.1Cloningisawayofmakinganexactcopyofanotheranimalandplant.

Para.2Cloninghastwomajoruses.

Para.3TheproblemsofDolly.

Para.4TheeffectofDolly

Para.5Itisforbiddentoclonehumanbeing.

Task2:

SsreadandfinishEx1-3onpage12

Period2.Languagelearning

Step1.Revision

Ssretellthetext.

Step2.Languagepoints

Explainthefollowingsentences:

1.itisawayofmakinganexactcopyofanotheranimalandplant.

它是一种精确复制另一个动物或植物的方式.

2.Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.

多利的出现引起了一场反对的风暴,并且对媒体和公众思想产生了很大的冲击.

3.However,scientistsstillwonderwhethercloningwillhelporharmusandwhereitisleadingus.

然而科学家一直致力于研究克隆到底会有助于我们还是会伤害我们,它将会把我们引向何方.

4.Iwouldliketosuggestthatmedicalcloningisnotassimpleanissueasmanycolleagueclaims.

我认为医用克隆技术并不像很多同事们所说的那么简单。

5．Ifyoubelievethathumanlifecomesintoexistenceassoonasthecellsstarttogrow,thenthepracticeofremovinghumanstemcellsfromanembryokillsit.

如果你认为人的生命在细胞开始生长时就形成了，那么从胚胎中去除人体干细胞就会杀死这些胚胎。

Step3Learningaboutlanguage

SsfinishEx1-4onp13-14.

Step4.Practice

AsktheSstodoEx.1--2onpage55-56.

Period3.Listeningandspeaking

Step1.Revision

1.GooverthelanguagepointswiththeSstogether.

2.CheckSs’homework.

Step2.Listening

Task1:

SslistentothetapeandfinishEx1-2onpage17.

Step3.talking

Task2:

PracitceEx3onp17.

Thefollowingexpressionsmaybeofhelptothestudents:

I’mhappytoaccept…but…

I’mnotbotheredabout…

Iwouldneveraccept…

Idon’tmindbut…

Ihopeyou’llcarryon…

Areyousureyouwantto..?

Iagreewithyouthat…

Isitfairto…?

Doyouthinkitiswiseto…?

Ithinkyoushould…

Welldonetoyoufor…

Idon’tunderstandwhyyoudon’t…

Ican’thelpthinking…

Icouldneveragreeto…

Step4.Listening（onpage54）

Task3:

SslistentothetapetwiceandfinishEx1-3onpage54.（Wb）

Step5.Speaking

Task4:

Ssinpairspracticethetalkingonp55.

Period4.Grammar:

ReviseNounClauses（astheSubject,Object,Predicative,andAppositive）

Step1.Warmingup

FindoutsentenceswhichcontainNounClausesinthereadingpassage,andtellthefunctionofeachclause:

1.WhatattractspeopletoCaliforniaisitspleasantclimateandrelaxedlifestyle.

2.ThisiswhyeachyearagreatnumberofpeoplefromallovertheworldtrytoimmigratetoCalifornia.

3.However,mostapplicantsknowthattheyhaveverylittlechanceofgettingavisa.

4.Nobodysharesmybeliefthathewasmad.

5.Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.

6.Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.

Step2.Explanations（重点讲解）

ExplainEx1onp14.

以下资料供教学时参考使用：

高考链接

1.Thefactthatsheseemedtodevelopnormallywasveryencouraging.（Reading）

[考点]that引导的从句作同位语，说明thefact的内容。

[考例]Thereisanewprobleminvolvedinthepopularityofprivatecars________roadconditionsneed________.（上海2003）

A.that;tobeimprovedB.which;tobeimproved

C.where;improvingD.when;improving

[点拨]选A。

that引导同位语从句，具体说明anewproblem的内容。

2.Atfirstitwasnotaccurateenoughandmanyattemptstoclonemammalsfailed.（Reading）

[考点]attempt用作名词，“努力，尝试，企图”的意思。

attempt也可用作及物动词。

[考例]Amanisbeingquestionedinrelationtothe________murderlastnight.（江苏2004）

A.advisedB.attendedC.attemptedD.admitted

[点拨]选C。

句义是：

“一个涉嫌参与昨夜谋杀的人正在接受审讯”。

3.ThepopularityofthefilmJurassicPark,inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs,proveshowinterestedordinarypeopleareinthesubject.

（UsingLanguage）

[考点]which引导非限定性定语从句，关系代词which在从句中作介词in的宾语，介词in可以提前。

[考例]TheEnglishplay________mystudentsactedattheNewYear’spartywasagreatsuccess.（全国Ⅱ2004）

A.forwhichB.atwhichC.inwhichD.onwhich

[点拨]选C。

inwhich表示“在这个英语话剧中”。

4.Newspaperstoldstoriesofevilleadershopingtoclonethemselvesandreligiousleadersraisedmoralquestions.

[考点]动词-ing短语作定语。

[考例]WhenthefirstEnglishsettlersarrivedintheNewWorld,theIndians________jewellerymadeofanimalbonesgreetedthemwarmly.（上海春季2005）

A.wearingB.towearC.wornD.havingworn

[点拨]选A。

wearing现在分词作定语，表示“正穿着”。

Step3FinishEx2-3onp14-15orallyinclass.

Step4.FinishEx1-2onp56-57.

附:

名词性从句专题练习

1.Theyfoundatlast______theyhadbeenlookingfor.

A.whatB.thatC.whereD.which

2.Itmakesnodifference___________.

A.whenyouwillleaveB.thatwhowillgowithme

C.whywilltheyleaveD.Howwillyougetthere

3.ThesewildflowersaresospecialthatIwoulddo_________Icantosavethem.

A.thatB.whateverC.whicheverD.allwhat

4._______isknowntousall,themoontravelsaroundtheearthonceeverymonth.

A.ItB.ThatC.AsD.What

5.AfterYangLiweisucceededincirclingtheearth,_________ourastronautsdesiretodoiswalkinspace.

A.whereB.whatC.thatD.how

6.________breaksthelawshouldbepunished.

A.AnyoneB.WhoC.WhoeverC.He

7.Thereason_______hewaslatewas________hewasnottoldwhenandwherethemeetingwouldbeheld.

A.why;thatB.that;whyC.why;becauseofD.ofwhich;that

8.That’s_____hedidn’tgototheconcertlastnight.

A.whichB.whyC.howD.when

9.I’venoidea________hehasbeen.

A.whereB.whichC.thatD.when

10.Itlooks_________everythingwereinorder.

A.thatB.howC.asifD.what

11.Does_____matter______willbesenttoTaiwan?

A.that;whoB.it;who;C.that;whichD.it;when

12.Heis_______isknownasahacker,wholikestoshowoffontheInternetandattackwebsites.

A.whoB.whatC.thatD.which

13.Hefinallyspokeouthisownidea,________madeusfeelquitedisappointed.

A.whatB.theoneC.theonethatD.that

14.Itisthefact_____hedoesn’tknowhisownbirthday_______surprisesusalot.

A.which;whichB.which;thatC.that;thatD.that;which

15.Thereisnodoubt_______heisguilty.

A.thatB.ifC.whetherD.what

16._______we’llgocampingthisweekenddependsontheweather.

A.IfB.WhenC.WhetherD.Where

17.It’sgenerallyconsideredunwisetogivechildren______theywant.

A.whoB.whicheverC.wheneverD.whatever

18.Thenursesaretryingtheirbesttoreducethepatient’sfear______hewoulddieofthisdisease.

A.asB.thatC.whichD.ofwhich

19.——Whatareyouanxiousabout?

——___________.

A.IfwecansucceedB.Thatwecansucceed

C.WhetherwecansucceedD.Whycanwesucceed

20.Perseveranceisakindofquality---andthat’s______ittakestodoanythingwell.

A.whatB.thatC.whichD.why

Keys:

1—5AABDB6—10CABBC11—15BBDCA16—20CDBCA

Period5.Reading&Writing

Step1.ReadthepassageThereturnofthedinosaurs?

onp15,andthenfinishtheexercisesattached.

Step2.ReadingTask:

Task1:

SsreadthepassageADebateonp58andfinishExonp59.

Step3.Writing

Task2:

Ssselectandorganizewhattheywanttowriteandbegintheirwriting.

1.Sschoosetheinformationthattheycanuse;

2.Ssbegintowrite;

3.Sschecktheirmistakesinthewritings;

4.Ssinpairscheckthemistakes;

5.Ssrewritetheirpassageagain.

Step4.After-writing

Ssshowtheirwritingsinclassandgivethemsometipsonhowtoimprovewriting:

“Practicemakesperfect.”

Aswithanything,themoreyoupractice,thebetteryoubecome.It’sthesamewithwritinginEnglish---themoreyouwrite,thebetteryourwritingwillbe.Sosetasidesometimeeachdaytowrite,evenifitisonlyfiveminutes.

Studytexts

Examinetheworkofwritersbyaskingyourselfquestionslike:

Whoisitwrittenfor?

Whatisitspurpose?

Howisitorganized?

Whatspeciallanguageandwordsdoesituse?

Donotcopyotherwriters’textsbutexaminehowthetextshavebeenputtogetherandusethemasmodelsforyourownwriting.

补充阅读材料

ClonedSheepDollyDevelopsArthritis

LONDON