The-strange-echo-奇怪的回声PPT课件VIP

-,1,Lesson13TheStrangeEcho,-,2,目录,-,3,DoyouknowwhatIsecho?,-,4,ChineseDefinitionofEcho,1701年，普鲁士国王腓特烈一世想拥有一件珍品一个壁上嵌满琥珀的房间,当声投射到距离声源有一段距离的大面积上时，声能的一部分被吸收，而另一部分声能要反射回来，如果听者听到由声源直接发来的声和由反射回来的声的时间间隔超过十分之一秒，它就能分辨出两个声音这种反射回来的声叫“回声”。如果声速已知，当测得声音从发出到反射回来的时间间隔，就能计算出反射面到声源之间的距离。,-,5,INewwords,1MarkTwainwasafamousAmericanwriter.famous:定义：widelyknownandesteemed,everyoneknowwhosheorheis(著名的）例子:ThefamousactressisnowappearingattheCapitalTheatre.(目前这位著名女演员正在首都剧场演出。)同义词：famed,notable,-,6,INewwords,2MarkTwainwasafamoushumorist.humorist:定义：someonewhoacts,speaksorwritesinanamusingway.(滑稽家，幽默家）例子:ThatwasaliveperformancebythehumoristGeorgeCarlinaboutthedifferencesbetweenAmericanbaseballandfootball.（这就是美国幽默大师在现场表演，他在讲美国棒球和橄榄球之间的区别。）同义词：funnyman,-,7,INewwords,3Duringthesespeecheshealwaystoldseveralfunnystories.several:定义：Itisanadjwordmeansfewnumberofsomethings.(几个）例子:Hetossedoffseveralpapersinhalfanhour.（他在半小时之内就看完了几份报纸。）Speech：定义：theactofdeliveringaformalofspokencommunicationtoaudiences.（演讲）例子:Hisspeechinspiredthesoldierswithcourage.（他的演讲激发了战士们的勇气。）,-,8,INewwords,4Therearemanyhumorousstoriesconnectedwithhisname.connect:定义：AandBjointogether,tobejoinedtogether.(使连接，使联系起来）例子：Agoodstudentmustconnectwhathereadswithwhatheseesaroundhim.（好学生必须会把他在书本里读到的东西与他在周围所看到的事物联系起来。）,-,9,INewwords,5fivetimesstrangerthantheoriginalvoice.original:定义：existingatthebeginningofaparticularperiod,processoractivity.(起初的，独创的）例子：Shewasdistractedfromheroriginalinterest.（她改变了自己原有的兴趣。）,-,10,INewwords,6Theechoesthatyouhavetoldaboutareveryunusual.unusual:定义：differentfromwhatisusualornormal.(特别的，不寻常的）例子：Thisunusualsightfixedourattention.（不同寻常的景色把我们吸引住了。）,-,11,IISpecialDifficultiesofwords,Travel,trip&journey旅行1）Travelvi.表示从一个地点到另一个地点，即“旅行”n.指旅行的概念，而不指某一次特定的的旅行，不能与冠词连用，是不可数名词；它的复数形式表示一次长时间的，去过好几个地方的旅行。Eg:Wetravelledforoverfifteenhours.(我们旅行了15个小时以上。）2）Tripn.是最常用的一个，既可以指旅行，又可以指访问，经常用来代替journey,是可数名词。,-,12,IISpecialDifficultiesofwords,Travel,trip&journey旅行Eg：Howlongdoesthetriplast?(这次旅行将历时多久？）3）journeyn.指常去的访问某地并从访问过的地方回来的整个过程。一般指陆地上旅行，而且有预定的地点，是可数名词。Eg：Wehadaterriblejourney.(我们这次旅行糟透了。）,-,13,IISpecialDifficultiesofwords,Sound，Voice&Noise声音，声响1）sound是任何可以听到的声音或声响。Eg：Icouldhearthesoundoffootsteps(我能听到脚步声）2）voice是人在说话或唱歌时所产生的声音，即“说话声”“噪声”Eg：“Iamhungry,”hesaidinaweakvoice.(“我很饿”，他用微弱的声音说。）,-,14,IISpecialDifficultiesofwords,Sound，Voice&Noise声音，声响3）noise通常是一种大声、不悦耳的或令人讨厌的声音或噪音。Eg：Noiseisunpleasant,especiallywhenyouaretryingtosleep.(噪声令人不愉快，尤其是当你想睡觉的时候。）,-,15,IISpecialDifficultiesofwords,Time×时间、次数time用作不可数名词，表示“时间”；times用作可数名词，表示“次数”。Eg：Whattimeisit?(现在几点了？）Hetelephonedmefourtimesyesterdayandthreetimesthedaybeforeyesterday.(他昨天给我打了四次电话，前天打了三次。）*“一次，两次”为“once,twice”,三次或三次以上则用Times,如fivestimes(五次），twentytimes(二十次）。,-,16,IIINewphrases,1Hetravelledverymuchgivingspeechesindifferentplaces.givespeeches:定义：演讲例子：WeusedtogivespeechestheoldfashionedwaylikeImdoingheretoday.Nowyouhavewebchatsandon-lineinterviews.（以前我们用老办法发表演讲，就像我今天这样，但是现在你们有这些微博聊天和网络采访。）,-,17,IIINewphrases,2Therearemanyhumorousstoriesconnectedwithhisname.beconnectedwith:定义：和.有关例子：Whatmakesyousupposehimtobeconnectedwiththem?（什么使你想到他和他们有联系？）同义词：havetodowith,berelatedto,-,18,IIINewphrases,3OnefriendhadjustreturnedfromatriptoVermont.returnfrom:定义:从.回来例子：ThismattermustwaitpendinghisreturnfromEurope.（这件事要等到他从欧洲回来后再说。）同义词：comeback,-,19,IIINewphrases,4.thatifoneasksinaloudvoice,.inavoice:定义:用的声音说例子：Hisanswerswereverythoughtfulandhespokeinacalmlowvoice.(他的回答很周到，一直用他平静的低沉的声音发言。),-,20,IVSpecialDifficultiesofwordandphrase,Tell&Tellabout告诉、谈起1）Tell意为“告诉，讲（给.听）”Eg:Tellmewhatyourtroubleis.(告诉我你的问题是什么。）2)Tellabout意为“谈论，谈起，说到”Eg：TheytoldaboutMissScott,thenewteacherintheschool.(他们说到了斯哥特小姐，那个学校新来的教师。）,-,21,VExercises,将下列词汇写在类型相同的题头后:(famous，humorist，speech，several，connect，original，unusual)Adjective:Noun:Verb:keysAdj:famous,several,original,unusuaNoun:humorist,speechVerb:connect,-,22,VExercises,2)用下列词汇填空：tell,sound,noise,trip,tellabout,time,journey,travel,sound,times1Hehasjustreturnedfromhis2Dontmakeany.3Apleasanttoyou.4Atmidnightheheardastrange.5Iamgoingonatotheseasideduringthesummerholidays.,travel,noise,journey,sound,trip,-,23,VExercises,(tell,sound,noise,trip,tellabout,time,journey,travel,sound,times)6Helistenedforsome.7Canyouastory?8Thegirlhasabeautiful.9Howmanydidhetelephoneyou?10Heishisplanagain.,time,tell,voice,times,tellingabout,-,24,Famous:著名的Humorist：幽默家。滑稽家Speech:演讲Several：几个的Connect：联合，连接，联络Original：