2023學年完整公開課版Unit2CloningLanguagepoints

Unit2CloningLanguagepointsLanguagepoints課時是對Reading課時的補充。幫助學生鞏固課文重點詞匯、短語和句型的用法，進一步扎實基礎知識。教師可根據(jù)學生預習情況選擇性講解。（詞匯的釋義和用法，建議引導學生自行查找字典等相關資料來學習，以培養(yǎng)其自主學習能力。）詞匯講解，建議采用歸納法，先盡可能多的呈現(xiàn)一些相關例句，或讓學生從已學課文中查找相應例句，引導學生試著從所觀察到的語言現(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.

科學家從事這項實驗。

Ican

undertaketheresponsibilityforthechanges.

我愿意承擔這些變革的責任。vt.

著手；從事；承擔practiceTranslatethefollowingsentences.(1)誰將承擔這項工作的責任?Whowillundertakeresponsibilityforthiswork?Studentsarerequiredtoundertakesimpleexperiments.(2)要求學生從事簡單的實驗。2.payoffIttookthemthreeyearstopayoffthedebt.Herdesignwonthefirstprizeinthecompetition.Yearsofpatienceandhardworkhadpaidoff.償清(債務)；得到好結(jié)果LingFengwonthefirstprizeintheNationalEnglishCompetitionandI’mgladthathereffortsatlast______.A.workedoutB.gotbackC.paidoffD.turnedoutpracticeChoosethebestanswer.practiceTranslatethefollowingsentences.(1)Withthehelpofhisfather,he

__________________(償清了所有債務).

(2)Believeme,allyoureffortswill

_______(取得好結(jié)果)someday.(3)約翰學習一直很刻苦，因此取得了好成績。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。別為了實驗中的小小失敗而沮喪；再試下去。Nooneobjectedtotheplan.Ireallyobjecttobeingchargedforparking.MotherobjectedthatJimmywastooyoungtotakeupthejob.Ourobjectistogetatthetruth.Whatarethosestrangeobjects?v.反對；n.目標；物體objectionn.不贊成；反對；異議Mymainobjectiontotheplanisthatitcoststoomuch.5.object[拓展]objecttodoingsth.反對做某事objectthat…以……為理由反對raise/have/makeanobjectionto(doing)sth.對……表示反對Ihavenoobjectiontoyourplan.Theymadeanobjectiontothemeetingdate.Icanhardlystandhisrudemanners.Iobject______likeachild.A.tobetreatedB.beingtreatedC.tobeingtreatedD.totreatpracticeChoosethebestanswer.practiceFillintheblanks.(1)What________(物體)canyouseeinthepicture?(2)Somemembersofourgroup__________(反對)myplan,whichmademedisappointed.(3)They____________(反對)theplanwasrisky.objectsobjectedtoobjectedthat6.

obtaintoobtainpermissionFirsteditionsofthesebooksarenowalmostimpossibletoobtain.Inthesecondexperimenttheyobtainedaveryclearresult.vt.獲得；贏得practiceTranslatethefollowingsentences.(1)很難獲得可靠的證據(jù)。Youcanalsoobtainknowledgethroughpractice.(2)你還可以從實踐經(jīng)驗中獲得知識。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.克隆植物簡單，但克隆動物就非常復雜了。while作并列連詞用，意思為“然而”，表示前后意義上的對比或轉(zhuǎn)折。如：Somepeoplewastefoodwhileothersdon’thaveenough.Youlikesports,whileIprefermusic.while的其他用法：①while用作從屬連詞，意思為“當……時候”，引導時間狀語從句。如：Whiletheoldmanwasout,athiefenteredthehouse.Strikewhiletheironishot.②while用作從屬連詞，意思為“雖然；盡管”，引導讓步狀語從句。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。正常的語序為ThedisturbingnewsthatDollyhadbecomeseriouslyillcamethen.常見的使用全部倒裝結(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、方向、時間的副詞(如here,there,in,out,up,down,away,now,then等)位于句首，且謂語常用不及物動詞(如go,come,leave,move,run,rush,jump等)時。如：Downjumpedthemanfromthetree.注意：如果主語是人稱代詞，主語和謂語的語序不變。如：Awaytheywent.③表示方位的介詞短語置于句首時，句子需全部倒裝。如：Infrontofthehousesatanoldman.Outsidetheentrancestoodtwopoliceofficerswithguns.practiceTranslatethefollowingsentences.(1)這群人一個一個地離去。Herecomesourteacher.(2)我們的老師來了。Awaywentthecrowdonebyone.(3)在我們面前有很多困難。Beforeuslayalotofdifficulties.TipsforteacherLetthewordfly板塊是幫助學生學習一些一詞多義、熟詞生義的詞匯。通過此環(huán)節(jié)，學生可以對一些常見詞的用法、意思有一個全面的了解。在翻譯過程中體會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，五月一直在，仲夏唱支歌，然后就離開。不及物動詞vi.

HestayedwithafriendwhilehewasinParis.他在巴黎時住在一位朋友家里。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.及物動詞vt.

Thegovernmenttooknosteptostaytheriseinprices.政府未采取措施抑制物價上漲。阻止;抑制Shemanagedtostayheranger.她努力克制了怒氣。平息,暫時解除名詞n.他在這個村子逗留的期間,沒有交上幾個朋友。停留,逗留活學活用從上面給出的例句中我們可以看到stay在不同的語境中會產(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？請選擇幾個進行造句或?qū)υ捑毩?。Individualactivity注:另附word文檔。點擊此處鏈接I.Completethefollowingsentenceswithproperwords.1.Isawalittleboyc____astoneintotheriverjustnow.2.Theissueisnotquite_______________(簡單的)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_____________________________(多莉看來是在正常地成長著)wasveryencouraging.Thencamethedisturbingnewsthat__________________________(多莉病重).2.____________________________________(科學家們腦海里產(chǎn)生的問題)were:“Wouldthisbeamajordifficultyforallclonedanimals?”DollyseemedtodevelopnormallyDollyhadbecomeseriouslyillThequestionsthatconcernedallscientistsIII.Translatethefollowi