高中英語(yǔ)人教版選擇性必修第三冊(cè)UNIT4USINGLANGUAGE學(xué)案

Unit4UsingLanguage學(xué)案【本課目標(biāo)】L掌握本課時(shí)出現(xiàn)的重點(diǎn)單詞、短語(yǔ)和句型。2.通過(guò)對(duì)教材課文的閱讀,在課文的具體情境中猜測(cè)詞義,推測(cè)詞性,了解重要詞匯的基本用法。

【課文研讀】Task1:FastReadingThetextmainlytellsusthat.Task2:CarefulReadingIJudgethefollowingstatementstrue(T)orfalse(F).()1.Theygotstuckontheislandforaboutfivemonths.()2.Forthegroupmembers,itwasboringtoeatthesamemealsdayafterday.()3.Manyofthembecameillbecauseoftheextremelycoldweather.()4.Thoughindifficulties,theystillkeptpositiveandoptimistic.()5.Thebestrewardfortheirperseverancewasgoinghomeandreunitedwiththeirfamilyandfriends.IIReadthetextandthenchoosethebestanswer.()1.WhydidtheyfeelaloneanddesperateontheElephantIsland?SomethingunexpectedhappenedtoShackletonandhisboat.Theydidn'thavewaterandfoodtosurvive.Theycan'tseekanyhelpfromothers.Theygotstuckinadifficultsituationandtheywereworriedwhetherthehelpcouldcome.()2.WhichofthefollowingstatementsisNOTtrueaccordingtothetext?TheycouldmakefirebyburningtreesonAntarctica.AgooddinnerandsomemusiccouldcheerthemupontheElephantIsland.Seaanimalsweretheironlysourceoffood.ThetemperatureschangedfrequentlyonAntarctica.()3.OntheislandtheyfacedmanystrugglesEXCEPT.lackoffoodstrongwindschangingweatherD.seacreaturesTask3:Study-readingWhatiftheyweredelayed?【句式分析】Whatif…？倘若……怎么辦？［句意翻譯］Itwasalmostasdangeroustobecometoohotfromwearingtoomanyclothesastobecometoocoldfromwearingtoofew.【句式分析】tobecometoohotfromwearingtoomanyclothes（穿太多衣服變得太熱）和tobecometoocoldfromwearingtoofew（穿太少衣服變得太冷）進(jìn)行比較;as…as…"同一樣”。［句意翻譯］Whenwewerefinallyrescued,wefeltsuchreliefandjoythatmanyofuscouldnothideourtears.【句式分析】such??,that…如此以至于［句意翻譯］【自主學(xué)習(xí)】giveoff放出（熱、光、氣味或氣體）（課本P44）Thisgaveoffoily,blacksmoke,butitstayedburningeveninstrongwinds.它會(huì)放出有油的、黑色的煙,但是就算在強(qiáng)風(fēng)中,它也能保持一直燃燒。giveaway頒發(fā)，分發(fā)；泄露（秘密）；贈(zèng)送giveup放棄；交此讓出；認(rèn)輸givein（tosb）（向某人）屈服，讓步giveout用完;分發(fā)；公布;停止運(yùn)行g(shù)iveback歸還;送回；使恢復(fù)givewayto向讓步；被代替【練一練】（1）Thoseflowerslookprettybutdon'tgiveoffanicesmell.這些花看似漂亮，但是氣味并不好。（2）Thismilkmustbebad,foritisgivingoffanastysmell.這個(gè)牛奶一定變質(zhì)了，因?yàn)樗l(fā)出一種令人惡心的氣味。⑶短語(yǔ)填空?Peoplemuchmorebytheirgesturesthanbytheirwords.②Bicyclesareenvironmentallyfriendlybecausetheywon'twastegas.③Facedwithdifficulties,theyneverbuttrytheirbesttofindawayout.④Thetruckrefusedtothecar,sotheycausedanaccident.(4)完成句子Ifplasticandrubberareburnt,.如果塑料和橡膠被焚，它們就會(huì)放出有毒的氣體。commitment/?,(apromisetodosthortobehaveinaparticularway;thewillingnesstoworkhardandgiveyouenergyandtimetoajoboranactivity)承諾；保證；奉獻(xiàn)(課本P45)Andhepaidusbackbyhiscommitmenttosaveusfromaslowbutpainfuldeath,并且他以他拯救我們免于緩慢而痛苦的死亡的承諾回報(bào)了我們。(l)makeacommitmentto…對(duì)做出承諾commitmenttosb/sth奉獻(xiàn)/投入(2)commitv.犯(罪或錯(cuò)等)；承諾，保證commitoneselfto(doing)sth作出決定；致力于，獻(xiàn)身于(做)某事becommittedto(doing)sth專注于(做)某事(3)committedadj.盡心盡力的；堅(jiān)信的；堅(jiān)定的［溫馨提示］commitoneselfto(doing)sth表示“專心致志于”，to是介詞，后接名詞、代詞或動(dòng)名詞。【練一練】(l)Thehospitalhasmadeacommitmenttoprovidethebestpossiblemedicalcare.這家醫(yī)院已經(jīng)做出承諾要提供最好的醫(yī)療服務(wù)。(2)Theyarelookingforsomeonewitharealsenseofcommitmenttothejob.他們正在找一個(gè)對(duì)這項(xiàng)工作有獻(xiàn)身精神的人。(3)Thegovernmentmustcommititselftoimprovinghealthcare.fThegovernmentmustbecommittedtoimprovinghealthcare.政府必須致力于改善醫(yī)療保健服務(wù)。(4)單句填空①Thisdevelopmentareaiscommittedto(create)aperfectinvestmentenvironment.②Thecompany,s(commit)toprovidingqualityatreasonablepriceshasbeenvitaltoitssuccess.⑸完成句子①(當(dāng)你對(duì)一個(gè)孩子做出承諾時(shí))，youhavegottosticktoit.②Inrecentyears,thecommunity(致力于創(chuàng)造一個(gè)更好的環(huán)境)forustolive,toworkandtoenjoylife.【句型分析】(課本P44)Whatiftheyweredelayed?如果他們被耽擱了怎么辦？Whatif-?【句式點(diǎn)撥】"Whatif…？”常用來(lái)提出假設(shè)、建議、邀請(qǐng)、要求等，意為“倘使……將會(huì)怎樣/如果……將會(huì)怎樣？”后面經(jīng)常跟一般現(xiàn)在時(shí),有時(shí)根據(jù)語(yǔ)境判斷也可以跟虛擬語(yǔ)氣。【相關(guān)拓展】(l)Howcome…？怎么會(huì)?/怎么回事？(2)How/Whatabout??怎么樣？(3)Whatfor?為什么/為何？(4)Sowhat?那又怎么樣？(5)Whynot…？為什么不?【練一練】(1)WhatifIcan'tunderstandthelocalpeoplewhenIgettoAmerica?我到美國(guó)的時(shí)候要是聽(tīng)不懂當(dāng)?shù)厝苏f(shuō)話怎么辦呢？(2)Howco