新人教版高中英语选修8unit2cloning教案.docx
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新人教版高中英语选修8unit2cloning教案
新人教版高中英语选修8unit2cloning教案
Unit2Cloning
Teachingaims:
Topic
Talkingaboutcloning
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,from
timetotime,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)Nobodysharesmybeliefthathewasmad.Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.
Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.
Teachingprocedures
用心爱心专心
Period1Reading
Step1.Warmingup
A.Leadin:
Ifnecessary,introducesomethingaboutcloningbyquestionsandanswers:
Thethreetypesofcloning:
1.recombinantDNAtechnologyorDNAcloning;2.reproductivecloning;3.therapeuticcloning
B.DiscussthepicturesonP10,thenfinishthewarming-upexercises.
Questionsaboutcloning:
What’scloning?
Howisacloneproduced?
Whatbenefitscanhumansgainfromcloning?
Whatproblemsmayarisewhenhumansarecloned?
Shouldweclonehuman?
Couldcloningreplacesexasthemeansofcreatinghumanlife?
Step2.Reading
Task1:
Ssscanthepassageandtrytogetthemainideaofeachparagraph:
uggestedanswers:
S
Para.1Cloningisawayofmakinganexactcopyofanotheranimalandplant.Para.2Cloninghastwomajoruses.
Para.3TheproblemsofDolly.
Para.4TheeffectofDolly
Para.5Itisforbiddentoclonehumanbeing.
Task2:
SsreadandfinishEx1-3onpage12
Period2.Languagelearning
Step1.Revision
Ssretellthetext.
Step2.Languagepoints
Explainthefollowingsentences:
itisawayofmakinganexactcopyofanotheranimalandplant.它是一种精确复制另一个动物或植物的方式.
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.
However,scientistsstillwonderwhethercloningwillhelporharmusandwhereitisleadingus.
用心爱心专心
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.
Iwouldliketosuggestthatmedicalcloningisnotassimpleanissueas
manycolleagueclaims.
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(Ifyoubelievethathumanlifecomesintoexistenceassoonasthecells
starttogrow,thenthepracticeofremovinghumanstemcellsfromanembryo
killsit.
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.
eriod3.ListeningandspeakingP
Step1.Revision
GooverthelanguagepointswiththeSstogether.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„?
用心爱心专心
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:
hatattractspeopletoCaliforniaisitspleasantclimateandrelaxedW
lifestyle.
ThisiswhyeachyearagreatnumberofpeoplefromallovertheworldtrytoimmigratetoCalifornia.
However,mostapplicantsknowthattheyhaveverylittlechanceofgettingavisa.
Nobodysharesmybeliefthathewasmad.
Theyarefamiliarwiththeopinionthatallmatterconsistsofatoms.Thesuggestioncamefromthechairmanthatthenewruleshouldbeadopted.Step2.Explanations(重点讲解)
ExplainEx1onp14.
以下资料供教学时参考使用:
高考链接U2B8
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)
用心爱心专心
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’sparty
wasagreatsuccess.(全国?
2004)
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
Theyfoundatlast______theyhadbeenlookingfor.
A.whatB.thatC.whereD.which
2.Itmakesnodifference___________.
用心爱心专心
A.whenyouwillleaveB.thatwhowillgowithme
C.whywilltheyleaveD.Howwillyougetthere3.ThesewildflowersaresospecialthatIwoulddo_________Icantosavethem.
A.thatB.whateverC.whicheverD.allwhat4._______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;when12.Heis_______isknownasahacker,wholikestoshowoffontheInternetandattackwebsites.
A.whoB.whatC.thatD.which
13.Hefinallyspokeouthisownidea,________madeusfeelquitedisappointed.
A.whatB.theoneC.theonethatD.that14.Itisthefact_____hedoesn’tknowhisownbirthday_______surprisesusalot.
A.which;whichB.which;thatC.that;thatD.that;which15.Thereisnodoubt_______heisguilty.
A.thatB.ifC.whetherD.what
16._______we’llgocampingthisweekenddependsontheweather.
用心爱心专心
A.IfB.WhenC.WhetherD.Where17.It’sgenerallyconsideredunwisetogivechildren______theywant.
A.whoB.whicheverC.wheneverD.whatever18.Thenursesaretryingtheirbesttoreducethepatient’sfear______
hewoulddieofthisdisease.
A.asB.thatC.whichD.ofwhich19.——Whatareyouanxiousabout?
——___________.
A.IfwecansucceedB.Thatwecansucceed
C.WhetherwecansucceedD.Whycanwesucceed20.Perseveranceisakindofquality---andthat’s______ittakesto
doanythingwell.
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.
Sschoosetheinformationthattheycanuse;
Ssbegintowrite;
Sschecktheirmistakesinthewritings;
Ssinpairscheckthemistakes;
Ssrewritetheirpassageagain.
Step4.After-writing
Ssshowtheirwritingsinclassandgivethemsometipsonhowtoimprovewriting:
用心爱心专心
“Practicemakesperfect.”
Aswithanything,themoreyoupractice,thebetteryoubecome.It’sthe
samewithwritinginEnglish---themoreyouwrite,thebetteryourwritingwillbe.Sosetasidesometimeeachdaytowrite,evenifitisonlyfiveminutes.
Studytexts
Examinetheworkofwritersbyaskingyourselfquestionslike:
Whoisitwrittenfor?
Whatisitspurpose?
Howisitorganized?
Whatspeciallanguageandwordsdoesituse?
Donotcopyotherwriters’textsbutexaminehowthetextshav