高二英語(yǔ)上冊(cè)Unit13教案

1課題SEFCB2Unit13Thewaterplanet課時(shí)7授課日期教學(xué)目標(biāo)教學(xué)重難點(diǎn)教學(xué)用具drinkit.Plantsandanimalsrequirewaterthatismoderatelypure,andthchemicalsorharmffshellfishharvestedfrompollutedwatersmaybeunsafetoeat.Peoplewhoingest2bearchildrenwithbirthdefects.Themajorwaterpollutantsarechemical,biological,orphysicalmaterialsthatdegra1.LearnandmasterthenewwordsandtheusefulWords:cube,sailor,disadvantagUsefulexpressions:Thewaterisbeingusedto/for.Weshould/could...Ifwe...wecan...32.Improvethestudents'listeningabilitybypractice.2.Howtoimprovethestudents'listeni1.Listening-and-answ2.theblackboard3.anemptyglass,abottleofwatera4eg.WhathappenedtoyoulastweeIfanythinghappenstothemachine,pleasetellme.Today,we'remainlylearnedsomethingaboutwat1.語(yǔ)音知識(shí)54.ashamedA.discussedC.expecteddB:Yes,please.Thatwouldbesokindofyou.I'vebeenworkingsohardrecentlythatIB:Thanksverymuch!Bye!A.Ok.I'llringyouifIhaveanynew.選作作業(yè)：倍速7TheSecondPeriodPre-rWords:cube,property,range,medium,relatively,dissolve,pu2.Masterthefollowingalltheway,thatis,mixwith,takeadv8I.Pre-reading2.Thegeneralideaofthetext:Scanthepassagetogetsomcubicmeterofwaterweighswater.9Readthepassagecarefullyandfin(1)Thepropertiesofwaterarechemicalstructure,salinitydensity,heatcap(6)Plankton,sharksandTheteacherplaysthetapeforthestudentstolisten.Aftpronunciation,stressandintonToday,wehavereadapasspolluted.Inaddition,tryyourbesttoretellthepassageinyour選做作業(yè)：倍速1.Reviewtheimportantu2.ExplaintheusageofnewwordsmentionedinlastclassHowtomakethestudentsusetheworsituations..2.Pairorgroupworktopracticetheusage⑤夠付(費(fèi)用)Twohundreddollarscancoverherneedeverymonth.②表示"混亂"或"亂七八糟"。turnout結(jié)果是Everythingturnedout(2)(人)蜂擁Workerspouredoutofthefactories.(3)(雨)傾盆而下Therainisreallypouringdown.(4)傾注Hehasbeenpouringmoneyintothefilmforyearsbutit'sstillintrouble.Thecubeof3is27.(3cubedis27.)立方aboutthemariner.你與搭檔一起看是否能找到像關(guān)于這個(gè)水手那樣的好的恐怖①表示"追及"或"趕上",相當(dāng)于catchupwith。②表示"提出"、"提供"、"產(chǎn)生"或"發(fā)現(xiàn)(解決辦法、答案等)",等于produce。Theairlinehascomeupwithasolutiontotheproblem.航空公司想出辦法來(lái)解決這comeupto來(lái)到……跟前；往上達(dá)到……高度Thewatercameuptomywaicomeabout發(fā)生Tellmehowtheaccidentcameabout?comeacross偶然遇到Icameacrosshisnameontheedown(物價(jià))跌落；(風(fēng)俗，習(xí)慣)傳下來(lái)Pricedidn'tcomedown.comeon進(jìn)展HowareyoucomingonwithyourEnglish?comeout出版；結(jié)果是Thebookcameoutlastyear.Howcome...?為何會(huì)……?Howcomeshehatesbirds?givewayto屈從，讓步Thecompanygavewaytotheworker'sdemand.innoway絕不Thetwoincidentsareinnowayconnected.makeone'sway前進(jìn)，行走Theymadetheirwayacrosstheriver.vi.獲益；得益于接介詞from/by(4)[C](一處)房地產(chǎn)n.范圍(認(rèn)知、知識(shí)、經(jīng)驗(yàn)或能力方面)不可數(shù)名詞beoutofone'srange某人所不能及的變化(范圍)(1)從……分布到……(2)在某一特定的范圍內(nèi)變化alltheway(自始至終)一直，一路上，從遠(yuǎn)道而來(lái)(2)beuptosb.應(yīng)由某人負(fù)責(zé)(3)beupto+n.勝任；適于Theboyisofmediumheightfor①破壞Thepolicebrokethedoordown.③機(jī)器損壞Thecarbrokedown.④(身體)垮了Hishealthbrokedownbecausehehadbeenworkingtoohard.⑤崩潰，瓦解；破裂Talksbetweenthetwosideshavebrokendown.Shebrokedownwhensheheardherhusba⑥起化學(xué)變化Chemicalsinthebodybreakdownourfoodintousefulsubstances.TheiceoftheriverbeginstobreakupatthebeginningofMarch.bemadeupof的用法Themedicalteamismadeupof5doctorsand8nu辨析Desksandchairsaremadeofwood.桌椅是用木頭制造的。難點(diǎn)他們用玻璃制造瓶子。詞組Theworkersandpeasantsmakeupthemajorityofthepopulationofourcountry.他使整個(gè)房間都能聽(tīng)到他的聲音。難點(diǎn)②表示"使成為"或"使變成",后跟名詞、代詞、含形容詞或過(guò)去分詞的復(fù)合賓語(yǔ)。Hisparentswanttom短語(yǔ)短語(yǔ)mix的用法Airisamixtureofgases.空氣是幾種氣體的混合物。r(1)有……大小Thisroommeasures6metresby4.(2)測(cè)量Thetailormeasuredmeforasuit.(3)措施；辦法Theytookstrongmeasuresagainstrecklessdrivers.短語(yǔ)(1)吸收只有努力才能成功。21.Thewaterintheoceanalsokeeps(1)堅(jiān)固的Holdthecandlesteady.(2)平穩(wěn)的，有規(guī)律的Theeconomyiskeepingupasteadyspeed.(3)不變的；穩(wěn)定的Wehaveasteadyjob.(4)可靠的Sheneedstomarrysomeonesteady.bycar/bus/train坐小汽車(chē)(公共汽車(chē)，火車(chē))Itmeansthenumberofspeciesperarea.3.Arivermeetstheocean.6.enjoyallthebenefitsof7.facemanyofthedangers(1)供給(2)約定；規(guī)定Thelawprovidesthatvaluableancientbuildingsmustbepreservedbythe3.Estuariesalsocontributetotheeconthroughprep.(1)穿過(guò)，通過(guò)；貫穿(4)情況好；取得成功(5)打通，接通(電話)選做作業(yè)：倍速一.概述情態(tài)動(dòng)詞(ModelVerbs)又稱(chēng)為情態(tài)助動(dòng)詞(ModelAuxiliaries),主要有can,may,must,could,might,shall,should,will,would,oughtto,need,dare等。情態(tài)動(dòng)詞(1)情態(tài)動(dòng)詞+動(dòng)詞完成式：musthavedone(2)情態(tài)動(dòng)詞+動(dòng)詞進(jìn)行式：mustbedoing(3)情態(tài)動(dòng)詞+動(dòng)詞完成進(jìn)行式：musthavebeendoing(4)某些情態(tài)動(dòng)詞的特殊用法：need二.具體內(nèi)容(一)情態(tài)動(dòng)詞+動(dòng)詞完成式musthavedone表示對(duì)過(guò)去某事的肯定猜測(cè)。其否定或疑問(wèn)形式都用canHecan'thavemissedtheway.“Thedictionaryhasdisappeared.Whocouldhavetakenit?”Ican'tfindmykeys.Imay/might4.oughtto/shouldhavedone和oughtnotto/sh(1)WithalltheworkfinisheYouneedn'thavewakenmeup;Idon'thavetogotoworktoday.“IwonderhowTomknewaboutyourpa“Hemust/could/may/mighthaveheardofitfromMary.”(二)情態(tài)動(dòng)詞+動(dòng)詞進(jìn)行式情態(tài)動(dòng)詞+行為動(dòng)詞進(jìn)行式(即情態(tài)動(dòng)詞+be+doing形式),表示推測(cè)或評(píng)論(1)Hemustbeplayingbas(三)情態(tài)動(dòng)詞+動(dòng)詞完成進(jìn)行式情態(tài)動(dòng)詞+行為動(dòng)詞完成進(jìn)行式(即情態(tài)動(dòng)詞+havebeen+v-ing形式),表示(1)Theyshouldhavebeenmeetingtodiscusstheproblem.三.某些情態(tài)動(dòng)詞的特殊用法情態(tài)動(dòng)詞need與實(shí)義動(dòng)詞need在時(shí)態(tài)、肯定、否定結(jié)構(gòu)上的對(duì)比見(jiàn)下表。時(shí)態(tài)情態(tài)動(dòng)詞need實(shí)義動(dòng)詞need現(xiàn)在時(shí)過(guò)去時(shí)將來(lái)時(shí)句型情態(tài)動(dòng)詞dare實(shí)義動(dòng)詞dare肯定句用用否定句現(xiàn)在時(shí)daren't/dare疑問(wèn)句過(guò)去時(shí)Daredhe現(xiàn)在時(shí)Doyou/Doeshe定回答為Pleasedon't.或No,youmustn't.例如：“Mayweleavenow?”“No,youmustn't.Youhaven'tfinishedyourhomeworky