2023學(xué)年完整公開課版Unit2CloningLanguagepoints

Unit2CloningLanguagepointsLanguagepoints課時(shí)是對(duì)Reading課時(shí)的補(bǔ)充。幫助學(xué)生鞏固課文重點(diǎn)詞匯、短語(yǔ)和句型的用法，進(jìn)一步扎實(shí)基礎(chǔ)知識(shí)。教師可根據(jù)學(xué)生預(yù)習(xí)情況選擇性講解。（詞匯的釋義和用法，建議引導(dǎo)學(xué)生自行查找字典等相關(guān)資料來(lái)學(xué)習(xí)，以培養(yǎng)其自主學(xué)習(xí)能力。）詞匯講解，建議采用歸納法，先盡可能多的呈現(xiàn)一些相關(guān)例句，或讓學(xué)生從已學(xué)課文中查找相應(yīng)例句，引導(dǎo)學(xué)生試著從所觀察到的語(yǔ)言現(xiàn)象中總結(jié)出詞匯的意思和用法。Words:undertake,breakthrough,altogether,object,obtain,attain,forbid,accumulateExpressions:payoff,castdown,objectto,infavourofPatterns:Then…位于句首，倒裝itisvaluablefor…FocusonTolearnsomeusefulwords,expressionsandpatternsinthepassage.Objective

1.undertake

Thescientistundertakestheexperiment.

科學(xué)家從事這項(xiàng)實(shí)驗(yàn)。

Ican

undertaketheresponsibilityforthechanges.

我愿意承擔(dān)這些變革的責(zé)任。vt.

著手；從事；承擔(dān)practiceTranslatethefollowingsentences.(1)誰(shuí)將承擔(dān)這項(xiàng)工作的責(zé)任?Whowillundertakeresponsibilityforthiswork?Studentsarerequiredtoundertakesimpleexperiments.(2)要求學(xué)生從事簡(jiǎn)單的實(shí)驗(yàn)。2.payoffIttookthemthreeyearstopayoffthedebt.Herdesignwonthefirstprizeinthecompetition.Yearsofpatienceandhardworkhadpaidoff.償清(債務(wù))；得到好結(jié)果LingFengwonthefirstprizeintheNationalEnglishCompetitionandI’mgladthathereffortsatlast______.A.workedoutB.gotbackC.paidoffD.turnedoutpracticeChoosethebestanswer.practiceTranslatethefollowingsentences.(1)Withthehelpofhisfather,he

__________________(償清了所有債務(wù)).

(2)Believeme,allyoureffortswill

_______(取得好結(jié)果)someday.(3)約翰學(xué)習(xí)一直很刻苦，因此取得了好成績(jī)。payoffpaidoffallthedebtsJohnstudiedhardallthetime,anditpaidoff.3.

breakthroughScientistsarehopingforabreakthroughinthesearchforacureforcancer.Amajorbreakthroughinnegotiationshasbeenachieved.n.突破Theyhaveachievedabig_______inthetreatmentofcancer,whichbringshopetocancerpatients.advantageB.reputationC.breakthroughD.assumptionpracticeChoosethebestanswer.EversinceIsawthediaryexcerptsI'vebeencastdown.自從看到日記摘錄，我就一直非常沮喪。4.cast沮喪，不愉快vt.扔；投；擲castastone扔石頭Theanglercasthisline(intothewater).釣魚的人把魚線拋入水中。castdownpracticeTranslatethefollowingsentences.(1)Don'tletyourselfbecastdownbyasmallfailureintheexperiment;tryagain.Hewascastdownbythesadnews.(2)這悲傷的消息使他情緒低落。別為了實(shí)驗(yàn)中的小小失敗而沮喪；再試下去。Nooneobjectedtotheplan.Ireallyobjecttobeingchargedforparking.MotherobjectedthatJimmywastooyoungtotakeupthejob.Ourobjectistogetatthetruth.Whatarethosestrangeobjects?v.反對(duì)；n.目標(biāo)；物體objectionn.不贊成；反對(duì)；異議Mymainobjectiontotheplanisthatitcoststoomuch.5.object[拓展]objecttodoingsth.反對(duì)做某事objectthat…以……為理由反對(duì)raise/have/makeanobjectionto(doing)sth.對(duì)……表示反對(duì)Ihavenoobjectiontoyourplan.Theymadeanobjectiontothemeetingdate.Icanhardlystandhisrudemanners.Iobject______likeachild.A.tobetreatedB.beingtreatedC.tobeingtreatedD.totreatpracticeChoosethebestanswer.practiceFillintheblanks.(1)What________(物體)canyouseeinthepicture?(2)Somemembersofourgroup__________(反對(duì))myplan,whichmademedisappointed.(3)They____________(反對(duì))theplanwasrisky.objectsobjectedtoobjectedthat6.

obtaintoobtainpermissionFirsteditionsofthesebooksarenowalmostimpossibletoobtain.Inthesecondexperimenttheyobtainedaveryclearresult.vt.獲得；贏得practiceTranslatethefollowingsentences.(1)很難獲得可靠的證據(jù)。Youcanalsoobtainknowledgethroughpractice.(2)你還可以從實(shí)踐經(jīng)驗(yàn)中獲得知識(shí)。Itisdifficulttoobtainreliableevidence.7.

accumulateAspeopleaccumulatemorewealth,theytendtospendagreaterproportion(比例)oftheirincomes.Thecompanysaidthedebtwasaccumulatedduringitsacquisitionofnineindividualbusinesses.We'veaccumulatedsomuchrubbishovertheyears.vt.&vi.積累；聚積Clinical(臨床的)evidencebeganto_______,suggestingthatthenewdrugshadawiderrangeofusefulactivitiesthanhadbeenpredictedfromexperimentsinanimals.(2011湖北)A.operate B.strengthen C.approve D.accumulatepracticeChoosethebestanswer.課文難句精析1.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.克隆植物簡(jiǎn)單，但克隆動(dòng)物就非常復(fù)雜了。while作并列連詞用，意思為“然而”，表示前后意義上的對(duì)比或轉(zhuǎn)折。如：Somepeoplewastefoodwhileothersdon’thaveenough.Youlikesports,whileIprefermusic.while的其他用法：①while用作從屬連詞，意思為“當(dāng)……時(shí)候”，引導(dǎo)時(shí)間狀語(yǔ)從句。如：Whiletheoldmanwasout,athiefenteredthehouse.Strikewhiletheironishot.②while用作從屬連詞，意思為“雖然；盡管”，引導(dǎo)讓步狀語(yǔ)從句。如：WhileIlikethecolorofthemobilephone,Idon’tlikeitsshape.practiceTranslatethefollowingsentences.(1)他出去散步了，而我卻呆在家里。Ilikesingingwhileshelikesdancing.(2)我喜歡唱歌，而她喜歡跳舞。Hewentoutforawalk,whileIstayedathome.(3)雖然我們盡了最大努力，但還是輸了比賽。Whilewetriedourbest,welostthegame.2.ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.接著傳來(lái)了多莉病重的壞消息。此句用的是全部倒裝結(jié)構(gòu)，副詞then位于句首。正常的語(yǔ)序?yàn)門hedisturbingnewsthatDollyhadbecomeseriouslyillcamethen.常見(jiàn)的使用全部倒裝結(jié)構(gòu)的情況：①在therebe/lie/stand/live等結(jié)構(gòu)中。如：Theregoesthecar.②表示地點(diǎn)、方向、時(shí)間的副詞(如here,there,in,out,up,down,away,now,then等)位于句首，且謂語(yǔ)常用不及物動(dòng)詞(如go,come,leave,move,run,rush,jump等)時(shí)。如：Downjumpedthemanfromthetree.注意：如果主語(yǔ)是人稱代詞，主語(yǔ)和謂語(yǔ)的語(yǔ)序不變。如：Awaytheywent.③表示方位的介詞短語(yǔ)置于句首時(shí)，句子需全部倒裝。如：Infrontofthehousesatanoldman.Outsidetheentrancestoodtwopoliceofficerswithguns.practiceTranslatethefollowingsentences.(1)這群人一個(gè)一個(gè)地離去。Herecomesourteacher.(2)我們的老師來(lái)了。Awaywentthecrowdonebyone.(3)在我們面前有很多困難。Beforeuslayalotofdifficulties.TipsforteacherLetthewordfly板塊是幫助學(xué)生學(xué)習(xí)一些一詞多義、熟詞生義的詞匯。通過(guò)此環(huán)節(jié)，學(xué)生可以對(duì)一些常見(jiàn)詞的用法、意思有一個(gè)全面的了解。在翻譯過(guò)程中體會(huì)詞匯使用的豐富多彩。LetthewordflyThecuckoocomesinApril,andstaysthemonthofMay;singsasongatMidsummer,andthengoesaway.名言警句讀一讀stay布谷鳥，四月來(lái)，五月一直在，仲夏唱支歌，然后就離開。不及物動(dòng)詞vi.

HestayedwithafriendwhilehewasinParis.他在巴黎時(shí)住在一位朋友家里。停留;留下;暫住Ihopetheweatherwillstayfine.我希望天氣能持續(xù)放晴。繼續(xù),保持Stayrighthere.站住;停下;止住就在這里停下。Hemadefewfriendsduringhisstayinthevillage.及物動(dòng)詞vt.

Thegovernmenttooknosteptostaytheriseinprices.政府未采取措施抑制物價(jià)上漲。阻止;抑制Shemanagedtostayheranger.她努力克制了怒氣。平息,暫時(shí)解除名詞n.他在這個(gè)村子逗留的期間,沒(méi)有交上幾個(gè)朋友。停留,逗留活學(xué)活用從上面給出的例句中我們可以看到stay在不同的語(yǔ)境中會(huì)產(chǎn)生豐富的含義，不僅僅表示“停留”。大家還知道哪些stay含義呢？請(qǐng)選擇幾個(gè)進(jìn)行造句或?qū)υ捑毩?xí)。Individualactivity注:另附word文檔。點(diǎn)擊此處鏈接I.Completethefollowingsentenceswithproperwords.1.Isawalittleboyc____astoneintotheriverjustnow.2.Theissueisnotquite_______________(簡(jiǎn)單的)asitseems.3.Doyouthinkanyonewouldo______ifIsmokehere?4.Themanalwaysmanagestoo________whathewants.aststraightforwardbjectbtain5.Tellmethe_______(確切的)timewhenthenexttrainwillarrive.6.Themanfailedtoseethe____________

(商業(yè)的)valueofhisdiscovery.7.Thescientisthasmadeamajorb____________inthisresearch.8.Themanagershouldu__________

fullresponsibilityfortheproject.9.Byinvestingwiselyhehasalreadya___________afortune.exactcommercialreakthroughndertakeccumulatedII.Completethefollowingsentenceswithoutchangingtheirmeanings.ThatIdidn’tpassthedrivingtestmademefrustrated.Mynotpassingthedrivingtestmademe

__________.2.WhenIwasyoung,myparentsdidn’tallowmetogooutaloneatnight.WhenIwasyoung,myparents_______

me______goingoutaloneatnight.castdownforbadefrom3.Tomysurprise,hedidn’tagreetomyplan.Tomysurprise,he____________myplan.4.Inourclasstherearefivestudentsinall

fromAmerica.Inourclassthereare___________fivestudentsfromAmerica.5.WhyIamnotforitcanbeeasilyanswered.WhyIamnot_______________itcan

beeasilyanswered.infavourofobjectedtoaltogetherThefactthat_____________________________(多莉看來(lái)是在正常地成長(zhǎng)著)wasveryencouraging.Thencamethedisturbingnewsthat__________________________(多莉病重).2.____________________________________(科學(xué)家們腦海里產(chǎn)生的問(wèn)題)were:“Wouldthisbeamajordifficultyforallclonedanimals?”DollyseemedtodevelopnormallyDollyhadbecomeseriouslyillThequestionsthatconcernedallscientistsIII.Translatethefollowi