1課題SEFCB2Unit13Thewaterplanet課時7授課日期教學目標教學重難點教學用具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.語音知識54.ashamedA.discussedC.expecteddB:Yes,please.Thatwouldbesokindofyou.I'vebeenworkingsohardrecentlythatIB:Thanksverymuch!Bye!A.Ok.I'llringyouifIhaveanynew.選作作業：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：倍速1.Reviewtheimportantu2.ExplaintheusageofnewwordsmentionedinlastclassHowtomakethestudentsusetheworsituations..2.Pairorgroupworktopracticetheusage⑤夠付(費用)Twohundreddollarscancoverherneedeverymonth.②表示"混亂"或"亂七八糟"。turnout結果是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于這個水手那樣的好的恐怖①表示"追及"或"趕上",相當于catchupwith。②表示"提出"、"提供"、"產生"或"發現(解決辦法、答案等)",等于produce。Theairlinehascomeupwithasolutiontotheproblem.航空公司想出辦法來解決這comeupto來到……跟前；往上達到……高度Thewatercameuptomywaicomeabout發生Tellmehowtheaccidentcameabout?comeacross偶然遇到Icameacrosshisnameontheedown(物價)跌落；(風俗，習慣)傳下來Pricedidn'tcomedown.comeon進展HowareyoucomingonwithyourEnglish?comeout出版；結果是Thebookcameoutlastyear.Howcome...?為何會……?Howcomeshehatesbirds?givewayto屈從，讓步Thecompanygavewaytotheworker'sdemand.innoway絕不Thetwoincidentsareinnowayconnected.makeone'sway前進，行走Theymadetheirwayacrosstheriver.vi.獲益；得益于接介詞from/by(4)[C](一處)房地產n.范圍(認知、知識、經驗或能力方面)不可數名詞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變化alltheway(自始至終)一直，一路上，從遠道而來(2)beuptosb.應由某人負責(3)beupto+n.勝任；適于Theboyisofmediumheightfor①破壞Thepolicebrokethedoordown.③機器損壞Thecarbrokedown.④(身體)垮了Hishealthbrokedownbecausehehadbeenworkingtoohard.⑤崩潰，瓦解；破裂Talksbetweenthetwosideshavebrokendown.Shebrokedownwhensheheardherhusba⑥起化學變化Chemicalsinthebodybreakdownourfoodintousefulsubstances.TheiceoftheriverbeginstobreakupatthebeginningofMarch.bemadeupof的用法Themedicalteamismadeupof5doctorsand8nu辨析Desksandchairsaremadeofwood.桌椅是用木頭制造的。難點他們用玻璃制造瓶子。詞組Theworkersandpeasantsmakeupthemajorityofthepopulationofourcountry.他使整個房間都能聽到他的聲音。難點②表示"使成為"或"使變成",后跟名詞、代詞、含形容詞或過去分詞的復合賓語。Hisparentswanttom短語短語mix的用法Airisamixtureofgases.空氣是幾種氣體的混合物。r(1)有……大小Thisroommeasures6metresby4.(2)測量Thetailormeasuredmeforasuit.(3)措施；辦法Theytookstrongmeasuresagainstrecklessdrivers.短語(1)吸收只有努力才能成功。21.Thewaterintheoceanalsokeeps(1)堅固的Holdthecandlesteady.(2)平穩的，有規律的Theeconomyiskeepingupasteadyspeed.(3)不變的；穩定的Wehaveasteadyjob.(4)可靠的Sheneedstomarrysomeonesteady.bycar/bus/train坐小汽車(公共汽車，火車)Itmeansthenumberofspeciesperarea.3.Arivermeetstheocean.6.enjoyallthebenefitsof7.facemanyofthedangers(1)供給(2)約定；規定Thelawprovidesthatvaluableancientbuildingsmustbepreservedbythe3.Estuariesalsocontributetotheeconthroughprep.(1)穿過，通過；貫穿(4)情況好；取得成功(5)打通，接通(電話)選做作業：倍速一.概述情態動詞(ModelVerbs)又稱為情態助動詞(ModelAuxiliaries),主要有can,may,must,could,might,shall,should,will,would,oughtto,need,dare等。情態動詞(1)情態動詞+動詞完成式：musthavedone(2)情態動詞+動詞進行式：mustbedoing(3)情態動詞+動詞完成進行式：musthavebeendoing(4)某些情態動詞的特殊用法：need二.具體內容(一)情態動詞+動詞完成式musthavedone表示對過去某事的肯定猜測。其否定或疑問形式都用canHecan'thavemissedtheway.“Thedictionaryhasdisappeared.Whocouldhavetakenit?”Ican'tfindmykeys.Imay/might4.oughtto/shouldhavedone和oughtnotto/sh(1)WithalltheworkfinisheYouneedn'thavewakenmeup;Idon'thavetogotoworktoday.“IwonderhowTomknewaboutyourpa“Hemust/could/may/mighthaveheardofitfromMary.”(二)情態動詞+動詞進行式情態動詞+行為動詞進行式(即情態動詞+be+doing形式),表示推測或評論(1)Hemustbeplayingbas(三)情態動詞+動詞完成進行式情態動詞+行為動詞完成進行式(即情態動詞+havebeen+v-ing形式),表示(1)Theyshouldhavebeenmeetingtodiscusstheproblem.三.某些情態動詞的特殊用法情態動詞need與實義動詞need在時態、肯定、否定結構上的對比見下表。時態情態動詞need實義動詞need現在時過去時將來時句型情態動詞dare實義動詞dare肯定句用用否定句現在時daren't/dare疑問句過去時Daredhe現在時Doyou/Doeshe定回答為Pleasedon't.或No,youmustn't.例如：“Mayweleavenow?”“No,youmustn't.Youhaven'tfinishedyourhomeworky