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'新视野视听说(第三版)B2U1
Unit1LifeisalearningcurveOpeningupListeningtotheworldSpeakingforcommunicationFurtherpracticeinlisteningWrappingupLearningobjectivesFuntime
talkaboutlearning/teachingmethods4Learningobjectivestalkaboutlearningexperiences1listenforsignalwordsforlisting2giveandrespondtoadvice3
ListeningtotheworldSharingListeningViewing
ListeningtotheworldSharing1Watchapodcastforitsgeneralidea.Thepodcastismainlyaboutthethingspeoplearelearningatthemomentandthemostdifficultthingtheyhaveeverlearned.2WatchPart1andfillintheblanks.newthingsAtthemomentquitedifficult
Listeningtotheworld3WatchPart2andcheckthetruestatements.Sharing1A2B3C4D5E6F7G8H√√√√
Listeningtotheworld4WatchPart3andfillintheblanks.SharingAA:Themostdifficultthing1)_________________isMandarinChinese.IdiditineveningclassesafewyearsagoandI2)______itreally,reallydifficult.IhaveeverlearnedfoundBB:Probablycapoeira,whichisaBraziliandance,martialart,fightthing.It’s3)_____________ofallthesethings.Andyes,thatwasverydifficultbecausetherewerelotsofunusual4)__________________tolearn.acombinationbodymovements
Listeningtotheworld4WatchPart3andfillintheblanks.SharingCC:5)________________wasthemostdifficultthing.LearningtodriveDD:Well,IlearnedsomeSanskrit,andthat’sgotum,6)________________twomorethanLatin.It’squitedifficult7)__________________.ninecasesbymoststandards
Listeningtotheworld3WatchPart3andfillintheblanks.SharingEIthinkIfound8)___________veryhardatschool.FrenchFUm,Ilearnedtoplaythetrumpetatschool.Thatwasprettydifficult.Er…andmaybelearningtodrive.I9)___________learningtodrive.hated
AdditionalNotescapoeiraABrazilianfolkdancecreatedbydescendantsofslavesfromAngola.Itcombineselementsofdance,music,andmartialarts,knownforquickandcomplexmovesusingpower,speed,andleverageforlegsweeps.ListeningtotheworldSharing3WatchPart3andfillintheblanks.
AdditionalNotesSanskritoneoftheoldest,andalsothemostfamousandculturallyimportantIndiclanguages.ItwasusedbytherefinedandculturedmembersofancientIndiansociety,andcontinuestobeusedtodayinreligionandcertaintypesofhighdiscourse.SanskritisoftremendousimportanceforHindusbecausemanyHindureligioustextsarewritteninit.Listeningtotheworld
Listeningtotheworld5Workinpairsanddiscussthequestion.1Whatareyoulearningatthemoment?Doyouenjoylearningit?Why?Iamlearningyogaatthemoment.Ienjoyitbecauseithelpsimprovemyflexibility,strengthandbalance.2What’sthemostdifficultthingyou’veeverlearned?Why?Themostdifficultthingformeislearningtodrive,becauseIwasoverwhelmedwithallthethingsIwasaskedtodoatthesametime.Sharing
Listeningtotheworld5Workinpairsanddiscussthequestion.3Whatdoyouenjoylearningmost?Why?SharingIenjoylearninghowtousenewtechnology,becausenewtechnologymakesmylifeconvenientandcomfortable.
ListeningtotheworldSharingListeningViewing
ListeningtotheworldListeningListeningskillsAdditionalTipsListeningforsignalwordsforlistingListenforthetotalnumberofitemsatthebeginningListenforwordsandexpressionsthatsignalthebeginning,followingandendofthelistinge.g.thelast,thefinal,lastly,andfinallyListingitemswithequalvaluee.g.tobeginwith,tostartwith,furthermore,moreover,inaddition,besides,what’smore,thelastbutnottheleast,lastly,finally
ListeningtotheworldListeningListeningskillsAdditionalTipsListeningforsignalwordsforlistingWordsandexpressionsindicatingimportanceexpressions:aboveall,themostimportant/obvious/noteworthyAdjectives:main,vital,significant,chief,central,principal,primary,major,distinctive,andthe–estformsofadjectives
Listeningtotheworld2Listentoaradioprogramandrearrangethefollowingexpressions.ListeningWHILEyoulistene-c-a-g-d-h-b-f
Listeningtotheworld3Listentotheradioprogramagainandcompletethetable.ListeningWHILEyoulisten1)speak2)sayingthewrongthing3)practicespeaking/talkingtohimself4)makingmistakes5)nativespeakers6)pronunciation7)listeningskills8)listeningandreading
SpeakingforcommunicationRole-play1Readthestatements.Thenlistentoaconversationandcheckthetruestatements..1Bothofthespeakersagreethatstudyingwithfriendsismoremotivating.2Thewomanthinksthattalkingtosomeonewhilereadingnoteshelpsherconcentrate.3Eatingalotbeforeanexamalwaysmakesthemanfeelsleepyintheexam.4Thewomanalwaystrytosleepforeighthoursthenightbeforeanexam.√
SpeakingforcommunicationRole-play2Readthetable.ThenlistentotheconversationandwriteGforgivingadviceandRforrespondingtoadviceintherightcolumn.1G2R3G4R5G6R7R
AdditionalTipsGivingandrespondingtoadviceGivingandrespondingtoadviceinanappropriatewayareusefulandimportantspeakingskills.SpeakingforcommunicationRole-playSpeakingskillsExpressionsforgivingadviceWhydon’tyou…?My(main/personal)recommendation/suggestion/is/wouldbe…Ifthathappenedtome/IfIwereinyourplace/ifIwereyou/Inthatcase,I’drecommend…Doyouthinkitisagoodidea…?Thesooneryou…thebetter.…mightwork/wouldprobablywork/isworthatry.Ifyouaskme/ThewayIseeit,itprobablywouldhavebeenbetter(not)tohave…
AdditionalTipsSpeakingforcommunicationRole-playSpeakingskillsExpressionsforrespondingtoadvice•Thankyou,I’lltakethatintoconsideration.•Thanks.Thatsoundsgood/interesting.Ihadn’tthoughtofthatbefore.Thankyousomuchforofferingthatadvice.Thankyoufortheadvice.I’lltry…Maybeyou’reright.Thanksforsayingthat.
SpeakingforcommunicationRole-play3Lookatthepicturesandreadtheconversationsbelow.Thenfillintheblanksusingthewordsinbrackets.1youshouldeat;agood2shouldnotspend;You’re3Whydon’t;amnotsurethat’s4it’sagood;supposeto
SpeakingforcommunicationRole-play5Role-playthesituations.Situation1WhatshouldIdoaboutmyson?B:Howwasyourweekend?A:Ispentthewholeweekend…tiredB:Whydon’tyouaskyoursontogiveyouahand?A:Heneedstostudy…B:Ithinkyoushouldlethimdosomehousework.A:Youareright.But…misseslessons…B:Ithinkyoushouldhaveatalkwithhim.A:Iagreewithyou.Hewentout…B:IfIwereyou,I’dtalkwithhimassoonaspossible.A:Youareright.
SpeakingforcommunicationRole-play4Role-playthesituations.Situation2Myflatmateisdrivingmecrazy!B:Manyexpensiveclothes…Hasshegotlotsofmoney?A:Sheborrowedmoneyfromme…B:Hasshepaidyouback?A:No…B:Ithinkyoureallyneedtohaveitback?A:Ithinkso,buthow…?B:Haveyoutriedaskinghertoselltheclothessheneverwears?A:That’sagoodidea.
SpeakingforcommunicationRole-play4Role-playthesituations.Situation3ShouldIhelpmyfriendfindagirlfriend?A:Bobisgettingevenfatter...B:Ithinkheshouldgotothegym…A:Right.Also,Bobbuystakeawaymeals.B:Thenperhapsheshouldtrytochangehisdiet.A:Goodidea.BoblikeswatchingTV.B:Ireallythinkheshouldchangehiswayofliving.A:Exactly.Ithinkheprobablyshouldchangehisjob.B:That’sagoodidea.
FuntimeEnjoyEllenDeGeneres’CommencementSpeechatTulaneUniversity.
曲线与方程的概念:(1)曲线上的点的坐标都是这个方程的解;在直角坐标系中,如果曲线C(看作点的集合或适合某种条件的点的轨迹)上的点与一个二元方程的实数解建立了如下的关系:那么这个方程叫做曲线的方程,这条曲线叫做方程的曲线。(2)以这个方程的解为坐标的点都在曲线上。复习:
直接法求曲线方程(动点的轨迹方程)的一般步骤:建系设点列式化简证明一般情况下,化简前后方程的解集是相同的,最后一步可省略不写,如有特殊情况,可作适当的说明。
数学运用:例1、求平面内到两个定点A、B的距离之比等于2的动点M的轨迹方程。变:△ABC中,AB=2a(a是正常数),CA=2CB,求顶点C的轨迹方程。
例2、长为2a(a是正常数)的线段AB的两个端点A、B分别在互相垂直的两条直线上滑动,求线段AB中点M的轨迹方程。
例3、点A(3,0)为圆x2+y2=1外一点,P为圆上任意一点,若AP的中点为M,当P在圆上运动时,求点M的轨迹方程。代入法(或相关点法)
例4、如图,过定点C(2,2)任作互相垂直的两条直线和,分别与x轴、y轴相交于A、B两点,求线段AB的中点M的轨迹方程。CAxyOBM
回顾小结:1、直接法求曲线方程的一般步骤;2、求曲线方程的其它方法:定义法、代入法(相关点法)、几何法、参数法等。'
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