選修二單元詞匯教學案設(shè)計

教材分析課課題:wordsandexpressionsinunit2module8課型：newlesson課時:1選修八中在復習高中語法項目的同時，主要是訓練學生的閱讀技能并拓展學生的詞匯量，抓雙基學習。了解克隆過程及克隆的意義。學情分析學生已基本養(yǎng)成學習習慣，有一定的單詞基礎(chǔ)對構(gòu)詞法也已初步了解，可以利用構(gòu)詞法更快捷的記憶單詞；在句子中猜測單詞詞義。設(shè)計理念基礎(chǔ)單詞讀寫自主學習；重難單詞短語合作探究突破。135課堂模式，注重基礎(chǔ)單詞短語的掌握，知識拓展過程中基本技能的提高。教學目標掌握重點單詞和短語的讀寫。總結(jié)理解重點單詞的用法。提高學生的閱讀技能----猜詞，查讀和推理能力。體會自主探究的樂趣，了解合作學習的優(yōu)勢。學習重點總結(jié)并合理運用重點單詞和短語。學習難點總結(jié)并合理運用重點單詞和短語。教學準備編寫導學卡制作課件預測學生可能會遇到的問題主備人：審核人：授課時間：年月日教學過程設(shè)計三個階段學習內(nèi)容教師行為期望學生行為自主學習階段1.Pleasetrytoguessthemeaningoftheunderlinedwords.(1)Cloningisawayofmakinganexactcopyofanotheranimalorplant.(準確的，精確地)(2)Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated(difficult/complex).（簡單的）(3)CloningscientistswerecastdowntofindthatDolly’s(thesheep)illnessweremoreappropriatetoamucholderanimal.Sadlythesamearbitraryfateaffectedotherspecies,suchasclonedmice.（沮喪/失望;任意的/無法逆轉(zhuǎn)的）(4)newspaperwroteofevilleadershopingtoclonethemselvestoattaintheirambitions.（達到，實現(xiàn)）2.Trytoreadthewordsindividuallyandtheingroupsdiscussthedifficultpronunciationanddealwithitontheirown.3.Listentothetapeandfollowthepronunciation.對于學生不能理解的句子，用簡單的英文解釋。播放單詞錄音。根據(jù)句義，猜測單詞詞義，初步了解克隆。根據(jù)音標自主拼讀單詞，聽音跟讀掌握單詞標準發(fā)音。合作交流階段Individualworktoreviewpartsofspeechorrelatedformsofthewordsinthisunit.Refertothedictionaryifnecessary.Discusstheanswersingroupsandthenpresenttheanswers.(1)differv.不同：相異—n.______----adj._____(2)exactadj.準確的，精確的：精密的-----adv.______(3)commercialadj.商業(yè)的：貿(mào)易的----n._______(4)carriern.攜帶者，搬運工，運輸工具----v._______(5)correction.n.改正，修正----v._______(6)object.v.反對，不贊成------n.______(7)decoration.n.裝飾-----v.________(8)accumulatevt.積累：聚積----n.______(9)assumptionn.假定：設(shè)想----v.__________.(10)resistvt.抵抗：對抗----n.____adj.______(11)reasonableadj.合情理的；公道的-----n.／v.----______(12)argumentn.論據(jù)：論點：爭論----v._______(13)regulationn.規(guī)則；規(guī)章；法規(guī)----v._______管理，控制adj.有規(guī)律的，規(guī)則的_______(14)mediumn.媒介；手段；工具----(pl.)______(15)undertakevt.著手：從事：承擔---pt._____----pp.______(16)forbidvt.禁止：不準---pt.______pp.________keys:(1)difference;different(2)exactly(3)commerce(4)carry(5)correct(6)objection(7)decorate(8)accumulation(9)assume(10)resistance;resistant(11)reason(12)argue(13)regulate;regular(14)media(15)undertook;undertaken(16)forbade/forbad–forbiddenDeductiveorinductivemethodtolearntheuseofthephrases.Cooperativeworktofinishexercisesconcerningthewordsandphrasesabove.Eachgrouppresenttheiranswers.1(sb.)____castdown____使沮喪Shewascastdownbyhisbehavior.他的行為使她感到沮喪。2objecttosth./sb.不贊成，反對

object______sth.反對某人干某事

havenoobjection____sb.doingsth.不反對某人干某事牛津P1372)Ireallyobjectto

________(charge)forparking.

我非常反對收停車費。Weallobjecttotheplan.__________________

3infavorof贊成，同意，支持，看中，選中

insb.'sfavor對某人有利的（地）

dosb.afavor幫某人忙e.g.(1)Isit____________cloningor____________it?

它是贊成克隆行為還是反對克隆行為？(2)Willyouplease________________?------certainly.你能幫我一個忙嗎？-----當然可以。

4payoff（無被動）得到好結(jié)果，取得成功，奏效，償清，付清(1)朗文P1503)Mr.Liwasdrivingataxiontheweekendsto_______allhisdebts.

李先生周末開出租車賺錢以還清他的所有債務。(2)Herdesignwonthefirstprizeinthecompetition.Yearsofpatienceandhardworkhadatlast_______.

她的設(shè)計在比賽中獲得一等獎。多年的耐心和艱苦的工作終于得到了好的結(jié)果

5forbidsth./doingsth.禁止某事/干某事

forbidsb.todosth不準某人干某事.

forbidsb.fromdoingsth.禁止某人干某事(1)(牛津P794)Heforbadethem_________(mention)thesubjectagain.他不準他們再提這個問題。(2)He_____________duringofficehours.

他禁止在辦公時間抽煙。(3)牛津P794)Youareallforbidden_________.

你們都不準離開。6owevt.欠(賬、錢、人情等)；歸功于(～…to/owetoitthat…/owingto介詞短語：由于)……，應感謝(1)IfIhaveimprovedinanyway，I_____itall___myteacher.

如果說我有一些進步，這應該全部歸功于我的老師。

(2)She________________________________________ratherthantoability.她把她的成功歸功于幸運，而不是有能力。(3)(牛津P1427)Thanksforhelpingme—I____you_______.

謝謝你幫助我——我欠你一個人情。

7.bothersb._________sth.為某事打擾或煩擾某人(牛津P221)Idon’twanttobotherherwith/aboutmyproblemsatthemoment.

我此刻不想讓她為我的事操心。(牛津P221)Sorrytobotheryou，butthereisacallforyou.

很抱歉打擾你一下，有你的電話。8differ______不同于，和……不同，和……意見不一致

differ_____在……方面不同

differwith與某人意見不同

bedifferentfrom與…….不同，有區(qū)別

________difference產(chǎn)生差別，起重要作用

makenodifference________________________betweenAandB分辨出A與B的不同，區(qū)分A與B9resistdoingsth.反對做某事resistthetemptation抵抗誘惑10(be)boundto(do)一定，注定（做）…Keys:1.be;by2.to;to;beingcharged;我們都反對這個計劃。3.infavorof;against;domeafavor4.payoff;paidoff5.frommentioning/tomention;forbidssmoking;toleave.6.(1)owe;to(2)oweshersuccesstoluck(3)owe;afavor7.with/about8.from;in;makea;不起作用;tellthedifference指導學生小組合作，了解詞匯構(gòu)詞法。運用演繹法及歸納法引導學生小組合作掌握重要詞組的用法規(guī)則。根據(jù)構(gòu)詞法跟準確快速記憶單詞。根據(jù)例句歸納總結(jié)詞組用法；或者根據(jù)詞組用法規(guī)則，正確完成句子最終掌握重點詞語的使用。鞏固達標階段1.indivuallyfinishthewordandphraseexercises.2.discusstheanswersingroupsandthenpresentthem.一.WordExercises.1.Thechemicalsthatareharmfultotheenvironmentare____________(禁止)here.

2．Christmas____________(裝飾品)nowhavestartedtosellwellinourshop.

3．Beforerulesand____________(規(guī)則)wereintroduced，thesportwasverydangerous.4．Iamsureshehastheabilityto____________(承擔)allkindsofhousework.

5．Ithoughtthepriceofthecarwasquite____________(合理的)，soIdecidedtobuyit.6.Itisseveno’clocknow.tobe____(準確的)，it’sseventhree.

7．用object的適當形式填空

(1)Greydecidedtomovetothecountrysideandhiswifemadeno____________toit.

(2)Somemembersofthecommittee____________tomyproposal，whichmademedisappointed.

8用assume的適當形式填空

(1)Weareworkingonthe____________thattheconferencewilltakeplaceasplanned.

(2)____________thathisstoryistrue，whatshouldwedo?

1.forbidden2.decorations3.regulations4.undertake5.reasonable6.exact7.(1)objections(2)objected8.(1)assumption(2)Assuming

二。高頻短語1．________________得到好結(jié)果；取得成功；償清

2．________________

沮喪；不愉快

3．________________

反對

4．________________

贊成；支持

5．________________

把……歸功于……6．________________

一定或注定(做)……7._________________不準某人干某事8.___________________為某事打擾或煩擾某人Keys:1.payoff2.castdown3.objectto4.infavorof5.owe…to…6.beboundto7.forbidesb.todosth.8.bothersb.with/aboutsth.三．Fillintheblankswiththephrasesabove.1.Hewill_________(bound)regretforwhathehasdoneifheknowsthetruth.2.Hefelt__________沮喪whenhefoundouttheresult

3.Theconductor______(forbid)us____tickourhandsoutofthewindowwhenthebuswasmoving.4.We________(object)treatedlikethis.5.She’snot__________(favour)carryingouttheplan.Keys:1.beboundto2.castdown3.forbade;to4.objecttobeing5.infavorofStep5.Extension.IndividuallyunderlinethesentencescontainingkeywordsandphrasesinReading.(differ;undertake;payoff;object;forbid;beboundto;assumption)Trytotranslatethemintochinesetogetageneralideaofthisunit.FinishthereadingoncloningDollythesheeptogetfamiliarwithcloning.一．Sentencescontainingkeywordsandphrasesfromthisunit.1.Thinkabouthowthetwinsdiffer.2.Cloningisadiificulttasktoundertake.3.Butatlastthedeterminantionandthepatienceofthescientistspaidoffin1996withabreakthrough.4.Dolly’sappearanceraiseastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.5.Somebegantoreformtheirlegalsystemandforbaderesearchintohumancloning,butothercountrieslikeChinaandtheUK,continuetoaccumulateevidenceoftheabundantmedicalaidthatcloningcouldprovide.6.Dolly’sdeath,likeherbirth,wasboundtoraiseworries.7.Scientistsbelievehumancloningisjustamatteroftimebuttheassumptionthathumancloneshavealreadybeenbornhasn’tbeenprovedyet.二．Readingcomprehension. Britishscientistshavedonesomethingthatmanypeoplethoughtwasimpossible:theycreatedthefirstcloneofanadultmammal.Theclone,namedDolly,isaseven-month-oldsheep,grownfromacellofanadultfemalesheep. Whatisaclone?Acloneisacopy,ageneticcopy.Genesaretheinstructionsforlife.Theytellacellwhattodoandhowtodoit.Genesmakeeachindividualplantoranimaldifferentandunique.Butaclonehasthesamegenesastheoriginalorganism. Cloningisnotnew.Plantshavebeenclonedforcenturies.Newplantsareoftengrownfromcuttingsfromanotherplant.Also,plantslikepineapples,strawberriesandcarnationsaresometimescloned.Onebenefitofcloningisthatwecanmakemanycopiesofthebestandhealthiestplants. Ithasbeenmuchmoredifficulttocloneanimals.Frogshavebeencloned,buttheydiedastadpoles,neverlivinglongenoughtobecomeadultfrogs.Mice,sheepandcattlehavebeenclonedfromembryos.ButDollyisthefirsthealthycloneofanadultmammal.Howdidtheydoit?(1)Anunfertilizedeggwastakenfromasheep.(2)Theeggnucleuswasremoved.(3)Acellwastakenfromtheudderofapregnantsheep.Itwas“starved”,sothatitstoppedgrowing.(4)Thetwocellswerecombinedintooneandthenimplantedinathirdsheep,whereitgrewnormally.(5)Theclonewasborn.Itwasgeneticallyidenticaltothepregnantsheepinstep(3). Thissoundsmucheasierthanitactuallywas.Toendupwithoneclone,thescientistsstartedwith277uddercells.Andtheyneededinawaytomaketheeggcellacceptanewnucleus.Theydidthatbystarvingthecellinstep(3). Itmaysoonbepossibletoclonemanytypesofanimals.Willwealsobeabletoclonehumanorgans,orevenwholehumanbeings?Wehaveonlybeguntothinkaboutthemoralityofcloningtechnology.Maybethequestiontoaskisnotwhetherwecanclonehumans,butinstead,shouldweclonehumans?1.Dollyisasheepbecausesheisgrownfromacellofanadultfemalesheep_____.A.thatwasnotherfatherB.thatwasnothermotherC.thathasnoparentsD.thathasnotanytail2.TellwhichofthefollowingstatementsisTRUE.A.Onlyplantscanbecloned.B.Onlystrawberriesandcarnationscansometimesbecloned.C.Animalsandplantshavequitealonghistoryofcloning.D.Genescantellacellwhattodoandhowtodoitduringcloning.3.Fromthefourthparagraphwecanknowthat_____.A.atadpoleistheearlystageofagrown-upfrogB.atadpoleisafrogwithoutatailC.atadpoleisapoolwherefrogscanliveD.atadpoleisacloneofanadultmammal4.WhatistherightorderintheprocessofthecloneofDolly?a.Takinganunfertilizedeggfromanadultfemalesheep.b.Removingtheegg’snucleus.c.Combiningthetwocellsintooneandthenimplantingitinathirdsheep.d.Takingacellfromtheudderofapregnantsheep.A.abcd B.cabdC.abdc D.dcba