新概念英语第二册-ppt-Lesson-94知识讲解

新概念英语第二册-ppt-Lesson-94Newwords&phrases•LosAngeles洛杉矶•weightn.重物•tricyclen.三轮车•yardn.码•instructv.指导，传授•reluctantadj.勉强的，不愿意的•underwateradj.水下的•competev.比赛，对抗instructvt．•（1）指导，教，传授：•儿童在很小的时候就可以开始学习游泳。•Childrencanbeinstructedinswimmingataveryearlyage.•丹在附近的一所学院教化学。•Daninstructschemistryatanearbycollege.instructvt．•（2）指示，命令，吩咐：•instructsb.todo命令，指导某人做某事•医生嘱咐吉米卧床一星期。•ThedoctorinstructedJimmytostayinbedforaweek.•我奉命将这个包裹交给您。•I'vebeeninstructedtogiveyouthisparcel.instructvt．•instructthat（正式）通知•Thecompanyinstructedhimthathewouldbeemployed.•instructionn.讲授、教育、指导、命令、指示•receiveinstructioninskiing•followinstructions＝givesb.instructions遵从指示•instructiveadj.教育性的,有启发的,有益的•aninstructivebook有教育意义的书•instructorn.教师、指导者teachVSinstruct•这两个词意思相同，但词法不同•teach为常用动词，句型是:•teachsb.sth.;•teachsth.tosb.;•teachsb.todo•instruct通常用于正式文体中，它的句型是instructsb.in(doing)sth.类似的……•正式•attempt•inform•require•command•inquire•present•obtain•非正式•try•tell•need•order•ask•give•getLosAngeles•美国加利福尼亚洲California西南部的大城市•（简称L.A）•在西班牙语中表示”天使们”之意.reluctant[ri'lʌktənt]•adj.勉强的，不愿意的（unwilling）•areluctantanswer勉强的答复•areluctanthelper不愿意帮忙•bereluctanttodo不愿做某事•这段日子我不愿工作。•Iamreluctanttoworkthesedays.•reluctantlyadv.不情愿地、厌恶的•(unwillingly)weight•n.重物、分量、重量•这金币有多重？•What’stheweightofthisgoldcoin？•→Itis50gramsinweight.它重50克。•你瘦了,对吗?•You’velostweight,haven’tyou？•你变胖了？•You’veputonweight,haven’tyou？weight•throwone’sweightabout＝throwone’sweightaround•大摆架子、作威作福•grossweight毛重；netweight净重•weighv.秤……重量，有…….重•它有多重？•Howmuchdoseitweigh？•他用手秤一秤鱼有多重。•Themanweighedthefishbyhand.underwater•adj.水下面的•underwatercamera水下照像机•under-前缀•（1）……之下的•underarm•腋下的•underground地下的;•underline在……下滑线•（2）不足够的•underage未成年的•undernourished营养不足的tricycle•n.三轮车（trike）•tri-表“三”•triangle三角形•tricolor三色旗•bi-表“两个”“两次”•biannual[baiˈænjuəl]adj.一年两次的•bicentenary[,baisen'ti:nəri]n.两百周年纪念•di-表“二、双、二重、二倍”（后与名词结合）•dicotyledonous[dai,kɔt'li:dnəs]•adj.双子叶的competevi．•（1）比赛，对抗（通常与with或against连用）：•有多少人参加这个比赛？•Howmanypeoplewillcompeteintherace?•在歌咏比赛中，玛丽与海伦争夺一等奖。•Duringthesingingcontest,MarycompetedwithHelenforthefirstprize.competevi．•（2）匹敌，比得上，媲美（通常与with连用，多用于否定句）：•休的房子比不上你的。•Hugh'shousecan'tcompetewithyours.•他后来的书没有一本能比得上第一本。•Noneofhislaterbookscancompetewithhisfirstone.yard•n.码（约91.4cm缩写为y/yd）•左转沿着街道大约再走两百码。•Turnleftabouttwohundredyardsfurtherdownthestreet.•长度单位：•inch英寸；foot英尺；yard码；meter米•yardgoods（美）论码卖的布料gasp•（1）v.喘气、上气不接下气•Hegaspedforbreath.他喘不过气来•gaspforair气喘•（2）v.喘着气说……（与out,forth连用）•Shegaspedoutthenews.＝Shegaspedforththenews.•她气喘吁地说了这个消息。•‘Myhouseisonfire,‘gaspedtheman.gasp•（3）v.（因惊吓、恐惧引起的）屏息、喘息•gaspwithsurprise＝gaspinsurprise•吃惊地屏住呼吸•gaspatthesight•那景况令人倒抽一口冷气•（4）n.屏息、喘息、接不上气•inshortgasps气喘吁吁•atone’slastgasp奄奄一息地•tothelastgasp直到临终prove•他已在战斗中证明了自己的勇气。•Hehasprovedhiscourageinbattle.•我的意见证实是错的。•Myadviceprovedtobewrong.•这个小男孩在这次电视知识测验中证实了他的聪明。•Thelittleboyhasprovedhisclevernessinthetelevisionquiz.•Experimentshaveprovedthatchildrencanbeinstructedinswimmingataveryearlyage.•AtaspecialswimmingpoolinLosAngeles,childrenbecomeexpertatholdingtheirbreathunderwaterevenbeforetheycanwalk.•Babiesoftwomonthsolddonotappeartobereluctanttoenterthewater.•Itisnotlongbeforetheyaresoaccustomedtoswimmingthattheycanpickupweightsfromthefloorofthepool.•Agamethatisverypopularwiththeseyoungswimmersistheunderwatertricyclerace.•Tricyclesarelineduponthefloorofthepoolsevenfeetunderwater.•Thechildrencompeteagainsteachothertoreachtheotherendofthepool.•Manypedaltheirtricycles,butmostofthemprefertopushordragthem.•Somechildrencancoverthewholelengthofthepoolwithoutcomingupforbreathevenonce.•WhethertheywilleverbecomefutureOlympicchampions,onlytimewilltell.•Meanwhile,theyshouldencouragethoseamonguswhocannotswimfiveyardsbeforetheyaregaspingforair.Gofurtherintext•…childrenbecomeexpertatholdingtheirbreathunderwaterevenbeforetheycanwalk．•（1）expert表示“熟练者”、“专家”•后面通常跟at／in+doingsth．结构：•雷克斯很快成了开门的专家。•Rexsoonbecameanexpertatopeningthegate.•…childrenbecomeexpertatholdingtheirbreathunderwaterevenbeforetheycanwalk．•（2）holdone'sbreath为固定短语，表示“屏住呼吸”：•电影演到激动人心处时，汤姆和萨莉就会屏住呼吸。•Whenthefilmbecameveryexciting,TomandSallywouldholdtheirbreath.•昨晚当我听到酒吧间有奇怪的响声后便屏住呼吸仔细听。•Lastnight,whenIheardastrangenoisecomingfromthebar,Iheldmybreathandlistenedcarefully.•Itisnotlongbeforetheyaresoaccustomedtoswimmingthattheycanpickupweightsfromthefloorofthepool.•notlongbefore译为“不久”、“很快”•pickup表示“捡起”•weight在这里指比重较大（因此能沉在水底）的物品•Itisnotlongbeforetheyaresoaccustomedtoswimmingthattheycanpickupweightsfromthefloorofthepool.•beaccustomedto表示“习惯的”、“适应了的”•后面通常跟名词或动名词：•我母亲习惯早起。•Mymotherisaccustomedtogettingupearly.•他很快适应了新工作。•Hesoonbecameaccustomed•tohisnewjob.•Agamethatisverypopularwiththeseyoungswimmersis…•popular表示“受欢迎的”、“讨人喜欢的”•常与with或among连用：•这些姑娘们喜爱游泳。•Swimmingispopularwiththesegirls.•玛丽受孩子们的欢迎。•Maryispopularwith/amongchildren.•Tricyclesarelineduponthefloorofthepool…•lineup为固定短语•表示“（使）排成行／排队”：•人们在那边排队干什么？•Whyarepeopleliningupoverthere?•请把这些椅子排好。•Linethesechairsup,please.•WhethertheywilleverbecomefutureOlympicchampions,onlytimewilltell.•这是一个倒装句，宾语从句置于句首•以疑问词引导的宾语从句会用于这种句型：•他们是如何发现真相的，只有乔治能作出回答。•Howtheyfoundou