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新概念英语讲义体系新概念英语第2册.第75讲。学生版Page1of19SOSPart1Basicwordsandexpressions1.flyoffcourse飞离航线新概念二Lesson75课堂内容Whenalightpassengerplaneflewoffcoursesometimeago,itcrashedinthemountainsanditspilotwaskilled.Theonlypassengers,ayoungwomanandhertwobabydaughters,wereunhurt.Itwasthemiddleofwinter.Snowlaythickontheground.Thewomanknewthatthenearestvillagewasmilesaway.Whenitgrewdark,sheturnedasuitcaseintoabedandputthechildreninsideit,coveringthemwithalltheclothesshecouldfind.Duringthenight,itgotterriblycold.Thewomankeptasnearasshecouldtothechildrenandeventriedtogetintothecaseherself,butitwastoosmall.Earlynextmorning,sheheardplanespassingoverheadandwonderedhowshecouldsendasignal.Thenshehadanidea.Shestampedouttheletters‘SOS’inthesnow.Fortunately,apilotsawthesignalandsentamessagebyradiotothenearesttown.Itwasnotlongbeforeahelicopterarrivedonthescenetorescuethesurvivorsoftheplanecrash.新概念英语讲义体系新概念英语第2册.第75讲。学生版Page2of19off偏离，为介词Ourofficeisoffthemainstreet.我们的办公室不靠大街。Duringthestorm,theshipwentoffcourse.在暴风雨中，船驶离了航线。2.hertwobabydaughters她的两个女婴baby在这里是形容词，指“幼小的”。3.Snowlaythickontheground.地上积着厚厚的雪。lie表示“处于某种状态”时，后面常跟形容词或分词：WhenIsawheryesterday,shelayillinbed.昨天我见到她时，她正卧病在床。Theoldmanliesillandneglectedinbed.老人卧病在床，无人照管。4.thickadj.厚的throughthickandthin同甘共苦Itwasverycoldoutside,soshewentoutinathickdownjacket.外面非常冷，所以她穿了一件厚厚的羽绒服出去了。Thesnowwasabout2inchesthick.Hundredsofpeoplegothurtbecauseofthethickfoglastweek.5.as…asonecan/could=as…aspossible尽可能……Hegotthroughasmuchfoodashecouldandsetout.他吃了尽可能多的食物，然后出发了。TellJimtocometomyofficeassoonashecan.让吉姆尽快到我的办公室来。6.signaln信号Thedirectorgavemeasignaltostart.导演给了我一个信号让我开始。Aredlampisusedasadangersignal.红灯用作危险信号。7.stampv跺，踩stampout踏灭，踩灭，本文out指出现，显现新概念英语讲义体系新概念英语第2册.第75讲。学生版Page3of19Whilewaitingforthebus,shekeptstampingherfeettostaywarm.Westampedoutthefireandcreptintoourtents.8.helicoptern直升飞机Helicoptersareusedinthesearchofsurvivors.Thehelicopterhoveredoverthecrowdforawhilebeforeinchingaway.直升机在人群上空盘旋了一会儿后慢慢飞走了。9.scenen现场Alargecrowdofpeoplegatheredatthesceneofthetrafficaccident.一群人聚集在车祸发生的地点。Thecriminalfledthescene.罪犯逃离了现场。ThesceneofthisplayissetinIreland.这出戏的场景是在爱尔兰。10.survivorn幸存者Heisawarsurvivor.Thepolicearetryingtorescuethesurvivorsbyahelicopter.11.Itwasnotlongbeforeahelicopterarrivedonthescenetorescuethesurvivorsoftheplanecrash.（1）to引导的不定式为目的状语。（2）Itwasnotlongbefore…为固定句型，表示“不久就……”（也可以用Itwillnotbelongbefore…表示将来可能发生的事），其含义与beforelong（不久）相近，只是before在课文这个句型中是连词，而在beforelong中为介词：Itwasnotlongbeforetheylearntthenews.他们不久就知道了这消息。Itwillnotbelongbeforehegetsoverhisillness.他大概不久就会痊愈。12.短语复习：flyoffcourse;trytodosth;sendasignal;sendamessagePart2StructureandVocabulary1.Shewasayoungwoman.Thewomanwas_________.A.ayouthB.youngC.ayoungD.youth2.Didthesnow_________thickontheground?A.layB.laidC.lainD.lie新概念英语讲义体系新概念英语第2册.第75讲。学生版Page4of193.Itwastoosmall.Itwasn’t_________A.enoughbigB.bigenoughC.fairlybigD.ratherbig4.Sheheardplanes_________overhead.A.passB.topassC.topassingD.inpassing5.Itwasnotlongbeforeahelicopterarrived_________.A.afterB.soonafterwardsC.behindD.muchlater6.Itwasalightplane.Itwasn’t_________.A.darkB.heavyC.blackD.deep7.Itgotterriblycold.Thecoldwas_________.A.frighteningB.horrifyingC.shockingD.frightful8.Shewonderedhowshecouldsendasignal.Shewantedtosend_________.A.aletterB.asignC.asignatureD.amessage9.Sheprobablystampedouttheletters‘SOS’withher_________.A.handsB.headC.feetD.knees10.Thesurvivorswere_________.A.liveB.livelyC.aliveD.inlifePart3Grammar一般过去时一般过去时表示过去发生的动作或存在的状态。1.一般过去时常见时间状语amomentago（刚才），yesterdaymorning，lastnight/week，thedaybeforeyesterday（前天），justnow（刚才）等。2.一般过去时的构成：主语+动词过去式+其它。如：Theyhadagoodtimeyesterday.3.动词过去式的变化规律1）动词过去式的变化可速记为“直”、“去”、“双”、“改”四字诀。①一般情况下在动词原形后直接加-ed。如：want→wantedplay→played②以不发音的字母e结尾的动词，去掉e再加-ed。如：hope→hopedlive→lived③重读闭音节单词需双写最后一个辅音字母再加-ed。如：stop→stopped④以辅音字母+y结尾的动词变y为i，再加-ed。如：study→studiedworry→worried◆规则动词过去式的读音也有规律可循。请记住：清后[t]，元浊[d]，[t][d]之后读[id]。新概念英语讲义体系新概念英语第2册.第75讲。学生版Page5of19①清辅音[p][k][ʃ][s]等后，ed要读[t]。如：workedfinished②元音或浊辅音[b][g][v][z][m]等后，ed要读[d]。如：livedcalled③[t]或[d]后，ed读[id]。如：startedneeded2）不规则动词变化，要逐一熟记。be动词过去式有两种形式，主语是第一、三人称单数形式使用was，其他人称用were。不规则动词时态变化表变化类型ExampleA---A---A型（现在式、过去式和过去分词同形）costcostcost花费cutcutcut割，切hithithit打letletlet让putputput放下readreadread读hurthurthurt伤A---A---B型（现在式和过去式同形）beatbeatbeaten打A---B---A型（现在式和过去分词同形）comecamecome来becomebecamebecome变runranrun跑A---B---B型（过去式和过去分词同形）(1)词原形后加一个辅音字母d或t构成过去式或过去分词burnburntburnt燃烧learnlearned/learntlearned/learnt学习meanmeantmeant意思是hearheardheard听见(2)词原形的最后一个辅音字母“d”改为“t”构成过去式或过去分词buildbuiltbuilt建筑lendlentlent借给loselostlost失去sendsentsent送spendspentspent花费(3)其他paypaidpaid付laylaidlaid下蛋saysaidsaid说新概念英语讲义体系新概念英语第2册.第75讲。学生版Page6of19bringbroughtbrought带来buyboughtbought买thinkthoughtthought想sleepsleptslept睡keepkeptkept保持sweepsweptswept扫standstoodstood站understandunderstoodunderstood明白winwonwon得胜catchcaughtcaught抓住teachtaughttaught教feelfeltfelt觉得fightfoughtfought战斗findfoundfound发现getgotgot得到hanghanged/hunghanged/hung绞死，挂havehadhad有holdheldheld盛，握leaveleftleft离开makemademade制造meetmetmet遇见sellsoldsold卖telltoldto