懂你英语Levelunit

1、|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Level4unit1part1ListeningChristinaisonatwoweekvocation.Thisisthefirstvocationshehashadforalongtime.Thelastvocationshetookwasmorethantwoyearsago.NowsheisvisitingafriendinSanFrancisco.Herfriendandherhusbandarelivingnearthecenterofthecity.Heworksforastart-u

2、pcompanyinSiliconValley.Whileheisworking,sheworkspart-timeatadepartmentstore.-Howlonghasitbeensinceherlastvocation.Itsbeenmorethan2years.-Whatkindofcompanydoesherfriendshusbandworkfor.Astart-upcompany.Christinahasntseenherfriendforalongtime.Thelasttimetheysaweachotherwasthreeyearsago.Atthattime,they

3、werebothworkingatadepartmentstore.ThenChristinaquittedherjobandstartedherownbusiness.Shedesignswomensclothing.Shehastwoemployeesnowandhercompanyisslowlygrowing.-HowlonghasitbeensinceChristinalastsawherfriend.Ithasbeen3years.-WherewereChristinaandherfriendworkingbeforeshestartedherownbusiness.Theywer

4、eworkingatadepartmentstore.-HowlonghasitbeensinceChristinastartedherownbusiness.Itsbeen3years.ChristinahascometoSanFranciscobyherself.Herhusbanddidntcome,becausehehastowork.Hetriedtostartacompanytwoyearsago,butitdidntworkout.Hiscompanyfailedafteronlyafewmonths.Sonowheisworkingatanothercompanyandsavi

5、ngmoney.第1页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Oncehesavesenoughmoney,heplanstostartanothercompany.Hedoesntwanttogiveup.-WhyhasntChristinashusbandcomewithher.Hehastowork.-WhyisChristinashusbandsavingmoney.Hewantstostartanewcompany.ThisisthesecondtimeChristinahasbeentoSanFrancisco.Thef

6、irsttimewaswhenshewasahighschoolstudent.Thatwasmorethantenyearsago.Duringthattrip,shewasonlyinSanFranciscoforafewdays.Afterthat,shewenttoLosAngelesandNewYork.Thistimesheandherfriendplantorelaxandhavefun.-HowmanytimeshasChristinabeentoSanFrancisco.ShehasbeentoSanFranciscotwice.-HowlongdidshestayinSan

7、Franciscoonherfirsttrip.Afewdays.Christinaarrivedtwodaysago,thedaybeforeyesterday.Herfriendmetherattheairport,anddrovehertoherapartment.Herapartmentisjustnorthoftheairport,about20minutesfromSanFrancisco.Itsasmallapartment,butitsonahill,andithasagreatview.Yesterdaytheywentdowntown,androdethecablecars

8、.Christinawassurprisedbyhowsteepthehillsare.Thentheywalkedalongtheocean,andatelunchataseafoodrestaurant.Fromtherestaurant,theycouldseetheGoldenGateBridge.-Howlonghasshebeenhere.Fortwodays.TomorrowtheyareplanningtodrivetoYosemiteNationalPark.Bycar,itsaboutfourhoursaway.第2页，共22页|精.|品.|可.|编.|辑.|学.|习.|资

9、.|料.*|*|*|*|欢.|迎.|下.|载.Christinahasneverbeentherebefore,sosheisexcited.Shehasheardthattheparkisverybeautiful.HerfriendhasbeentoYosemiteseveraltimes.Shesaysthatitsoneofthemostbeautifulplacesintheworld.Christinajusthopesthatherfriendisagooddriver.-HowmanytimeshasshebeentotheYosemite.Never.VocabularyHe

10、adachescanbeverypainful,andcanlastforalongtime.Ifyouhaveaheadache,yourheadhurts.Asprainedanklecanbesopainfulthatyoucantwalk.Someonewithasprainedanklemayneedtousecrutchestowalk.Ifyouhaveasorethroat,itmaybepainfultoswallow.Asorethroatcanbecausedbyvirusesorbacteria.Aburnisaninjurytotheskincausedbyfireo

11、rheat.Ifyougettoclosetoafire,youwillbeburned.Anearacheisasharp,dullorburningpainintheear.Commoncausesofanearacheincludeaninfection,achangingairpressure,orwaterintheear.Mountainsarelandformshigherthan2000feetorabout600metersabovesealevel.Hillsarelikemountainsbutnotastall.Mountainsareformedbyforcesdee

12、pwithintheEarth,andaremadeofdifferenttypesofrocks.Riversarestreamsofwaterthatusuallybegininmountainsandflowintothesea.Manyearlycitieswerebuiltalongsiderivers.Mostoftheworldswaterisintheoceans,whicharelargebodiesofsaltwater.Theoceansarealsoanimportantsourceofoxygen.第3页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.

13、*|*|*|*|欢.|迎.|下.|载.Desertsareareasoflandthatreceivelittleornorainfall.Theamountofrainfallinsomedesertsissolowthatonlyafewplantscansurvive.Avalleyisalowrelativelyflatareabetweenhillsormountains,oftenwithariverrunningthroughit.Somevalleysareformedbyflowingwater,andothersareformedbyglaciers.ThePacificO

14、ceanisthelargestanddeepestocean,coveringmoreareathanallthecontinentsputtogether.Deserttemperaturescanrangefromcoldatnighttoveryhotduringthedaytime,oftenabove120degreesFDialogueM:Haveyoueatenyet.W:No,Ihavent,andImhungry.M:Metoo.LetW:Whereto.gooustfordinner.M:WhataboutJoesItalian.W:Howmanytimeshaveyou

15、eatenthere.M:Ieattherealot.Itsoneofmyfavoriteplaces.-Whyisshehungry.Shehasnteatenyet.W:Iwenttheretwoweeksago,andtheservicewasterrible.M:Really.Thenletsgosomeplaceelse.-WhydoesntshewanttogotoJoesItalian.Shewenttheretwoweeksagoandtheservicewasterrible.M:Whatdoyousuggest.W:HowabouttheRoyalIndian.Itsnot

16、farfromhere.M:Iveneverheard.oIfsititgood.W:Yes,Ivebeenthereseveraltimes,andIveneverbeendisappointed-WhatsonereasonshesuggestsRoyalIndian.Itsnotfaraway.第4页，共22页-HasshebeentotheRoyalIndianbefore.Yes,shehas.M:OK,letstryit.IhavenfotoedaftoernaInlodniagntime.W:Youwontbedisappointed,andthepricesarereasona

17、ble.M:Ah,soyoumeanImgoingtopay.W:Well,thatwouldcertainlybenice.-Howexpensiveistherestaurant.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Itsreasonablypriced.M:Whataboutreservations.W:Ifwegetthereearlyenough,wewontneedthem.M:Ihopeyouareright.W:Dontworry,ifwehavetowait,Illpaythebill.-Whatwouldhappeni

18、ftheydontgetthereearlyenough.Theymayhavetowait.Whenshewenttheretwoweeksago,theservicewasawful.Shehasbeenthereseveraltimes.Level4unit1part2ListeningTodayChristinaandherfriendareenjoyingthemselves.ThismorningtheygotupveryearlyanddroveoutofSanFrancisco.TheycrossedtheBayBridgebeforetheearlymorningcommut

19、eanddrovesouth.Becauseitwassoearly,therewerealmostnocars.-Howheavywasthetraffic.Therewerealmostnocars.Afterdrivingforanhourandahalf,theystoppedandhadbreakfast.Theyorderedpancakesandcoffee.Theyalsohadsomefreshfruit.Whentheyfinishedeating,itwassevenoclock.Thentheygotbackintothecar,anddrovesouth.Christ

20、inawantedtolistentomusic,sotheyturnedontheradio.第5页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Anhourlater,theystoppedforgas.Theynoticedthattherewasalsoachargingstationforelectriccars.-Howdidtheyorderforbreakfast.Theyorderedpancakesandcoffee.-Whatdidtheydoaftertheyfinishedeating.Theygotbackin

21、tothecaranddrovesouth.Itsnow1:15onefifteen,andtheyareinYosemitePark.Theyhavebeentherefortwohours,since11:15elevenfifteen.TheyarelookingatYosemitefalls,whichisthehighestwaterfallinthepark.Thewaterdropsatotalof740metersfromthetopoftheupperfalltothebaseofthelowerfall.-Whendidtheyarriveatthepark.Theygot

22、thereat11:15.Inanotherfifteenminutes,theyplannedtoeatlunchatamagnificentoldhotelinthepark.Itwasbuiltin1927andhasagreatview.Theywantedtostaytherebuttheycouldntgetreservations.Togetaroomatthathotel,youusuallyneedtomakereservationsseveralmonthsinadvance.-Whendoyouneedtomakereservations.Youneedtomakeres

23、ervationsseveralmonthsinadvance.-Whycouldnttheygetreservations.Theydidntreserveearlyenough.Theyplannedtostayintheparkuntilaroundfouroclock.Bythen,theywillhavebeenintheparkfornearlyfivehours.ThentheywillgetbackintothecaranddrivebacktoSanFrancisco.Theyplantoeatdinnersomewherealongtheway.Ifthetrafficis

24、nttoobad,theyshouldbebackinSanFranciscobytenoclock.第6页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.-WhendotheyexpecttobebackinSanFrancisco.Theyexpecttobebackby10oclock.-Howlongwouldtheyhavebeenintheparkiftheyleaveasscheduled.Fornearly5hours.Earlytomorrowmorning,theyaregoingtocrosstheGoldenGate

25、Bridgeandgonorthalongthecoast.Fromsomeplacesyoucanlookoutontheoceanandseewhalesandothersealife.Christinahasneverseenawhalebefore,sosheislookingforwardtoit.Andtomorrownighttheyhavesomethingspecialplanned.Theyaregoingtowatchabaseballgame.Christinahasneverseenabaseballgame,butshehasheardthatitisverypop

26、ularintheUS.AndtheSanFranciscobaseballteamisoneofthebest.-Whatdoesshehopetoseefromthecoast.Shehopestoseewhales.-Whataretheygoingtodotomorrowmorning.TheyaregoingtocrosstheGoldenGateBridge.VocabularyAforceisapushorapullonanobject.Aforcechangesthemotionofamovingobject.Aforcecanbestrongorweakanditalways

27、hasadirection.TheEarthisaplanetthatgoesaroundthesuninacircularorbit.Thespeedofitsmotiondoesntchange,butthedirectionofitsmotiondoes.TheEarthhasalayerofgasaboveitssurfacewhichhelpstosupportlife.Atomsarethebuildingblocksofmatter.Atthecenterofanatomisitsnucleuswhichhasapositiveelectriccharge.第7页，共22页|精.

28、|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Outsidethenucleusareelectronswhichhaveanegativecharge.Asteroidsandcometsareobjectsthatobeyoursun,butaresmallerthanplanets.AsteroidsthatpassclosetotheEartharecallednear-earthobjects.ThelayerofgasesjustabovetheEarthssurfaceisouratmosphere.Theatmosphereismadeo

29、fgasessuchasoxygenandnitrogen.WithoutanatmospheretherewouldbenolifeonEarth.IftheycollidewithEarththeycouldcauseanextinctionevent.Aforcecanincreaseordecreasethespeedofanobject,anditcanchangethedirectionofmotion.Theelectricforcebetweenthenucleusandtheelectronsholdstheatomtogether.Thetwolinesonthelefti

30、ntersecteachotheratarightanglewhichis90degrees.Thetwolinesontherightareparallelwhichmeanstheynevercross.Theadjacentsidesofarectangleareperpendicularwhichmeanstheymeeta90-degreeangle.Theoppositesidesofarectangleareequalandparallelwhichmeanstheynevercross.Theareaofarectangleisthelengthtimesthewidth.Ac

31、ircleisatwodimensionalfigurewitharadiusandacircumferencewhichisthedistancearoundthecircle.TheareaofacircleisPiRsquared,whereRistheradiusandPiistheratioofthecirclecircumferencetoitsdiameter.AsphereisathreedimensionalfigurewitharadiusandavolumewhichisfourthirdsPiRcubed.Allpointsonthesurfaceofaspherear

32、eequidistantfromitscenter.Arighttriangleisatwodimensionalfigurewiththreeside,twoofwhichareperpendicular.第8页，共22页Tofinditsarea,multiplythelengthofthetwoperpendicularsidesaandbanddivideby2,Aequals1halfab.Arectangleisa2dimensionalfigurewith4sides.DialogueM:Haveyoufinishedeatingyet.W:No,Ihavent.Whyareyo

33、uinsuchahurry.M:Imsorry,butyouaresuchasloweater.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.W:Asloweater.Well,Itrytoenjoymyfood.Youjusteatandswallow.Idontseehowyoucaneventasteit.M:OK,Imsorry.DoyoumindifIgetanotherglassofwine.W:No,goahead.Idontwantyoutositthereputtingpressureonme.Ithoughtweweregoin

34、gtohavearelaxingevening.-Whatdoessheallowhimtodo.Sheallowshimtogetanotherglassofwine.Arelaxingeveningistheoppositeofahigh-pressureevening.M:Yes,youareright.Idliketorelax,butIhavealotonmymind.W:Workrelated.M:Yes,itis.Ivebeengettingsomestrsanfrgoememmyaibloss.Hewantsmetocutdownonmyexpenses.Maybehewant

35、stofireme.Hisbosswantshimtospendless.-Whatisheafraidof.Hemaylosehisjob.W:Isbusinessbad.M:Yes,itis.ButIdontwanttotalkaboutit.W:OK,butImaligsoteonder.Youcantellmeifyoudliketo.-Whatdoesnthewanttotalkabout.Hedoesntwanttotalkabouthisbusiness.M:Thanks.Maybesomeothertime.Illtrytostopthinkingaboutituntilwhe

36、nitstomorrow.W:Goodidea.Youneedtotakeabreakfromwork.第9页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Yourhealthyisimportant,andsoamI.M:Yes,youare.IdontknowwhatIwoulddowithoutyou.Todealwithsomethingmeanstodosomethingaboutit.Level4unit1part3ListeningHarryisanAmericanbusinessman.Hisjobrequireshimt

37、odoalotoftravelling.Hetakesnineortentripsayear.Inthepastsixmonths,hehasmadefivetrips.ThreeweretoAsia,andtwoweretoEurope.Thepurposeofhistripsistoattendmeetingsandmakepresentations.-Whatdoeshisjobrequirehimtodo.Travelalot.-Whatisthepurposeofhistrips.Attendmeetingsandmakepresentations.Hisjobrequireshim

38、toattendmeetingsinmanycountries.Harrylovestotravelandhestravelledtomanycountries.Mostofhistripsareforoneortwoweeks.Hisfirstinternationaltripwas15yearsagowhenhewas20yearsold.HereallywantedtoseeAsia,soheandhisfriendflewtoTokyo,Japan.-Howlongaremostofhistrips.foroneortwoweeks.FromTokyo,theytravelledaro

39、undJapanfor2weeks.Thepeopletheymetwereverynice,butmostofthemdidntspeakEnglish.HarrytriedtospeakalittleJapanese,butitwasdifficult.Hedidntdoverywell.Whenhespoketopeople,mostofthemjustlookedathim.第10页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Theydidntunderstandwhathewastryingtosay.-Whatlanguag

40、edidhetrytousewhenhewasinJapan.HetriedtospeakJapanese.Hehasmade5tripsinthelast6months.FromJapan,theywenttoKoreaforaweek,andthentheywenttoChina.InChina,theyvisitedtheGreatWallnearBeijing.TheystayedinBeijingforafewdays,andthenboardedatrainforShanghai.Itwasanovernighttrain,withsleepingcars.-Whatkindoft

41、raindidtheytaketoShanghai.Itwasanovernighttrain.-HowlongdidtheystayinBeijing.forafewdays.Duringthejourney,theyenjoyedlookingoutthewindowatthecountryside.Theviewfromthetrainwaswonderful.Harrywillneverforgetwatchingthesungodownintheevening.Itwasabeautifulsunset.-Whatdidtheyenjoydoingduringthejourney.l

42、ookingoutthewindowatthecountryside.-WhatwontHarryeverforget.Watchingthebeautifulsunset.ThejourneytoShanghaitookmanyhours,butitwasanunforgettableexperience.Onthetrain,theymetaChineseprofessorwhospokeEnglish.Hewasamiddle-agedman,whosehairwasturninggrey.HetoldthemabouthowthingswerechanginginChina.Itwas

43、wonderfultowatchhimashewasspeaking.Hiseyeswerefullofenergyandexcitement.-Whodidtheymeetonthetrain.aChineseprofessor.第11页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.-Whatdidtheprofessortalkabout.HetalkedaboutthemanychangesChinawasexperiencing.TheyonlystayedinShanghaiacoupleofdays.Thentheyretur

44、nedtotheUSandwentbacktoschool.Theyhadonemoreyeartofinishtheirstudies.-WhydidtheyreturntotheUS.Theywentbacktofinishtheirstudies.Harrysnextfewtripsweretodifferentpartoftheworld.HewenttoEuropetwice,eachtimetodifferentcountries.Ononetrip,hetravelledthroughtheUKandFrance.Onthenexttrip,hewenttoItalyandGre

45、ece.-HowmanytimesdidhegotoEurope.HewenttoEuropetwice.AfterEurope,hetravelledtoMexicoandSouthAmerica.InSouthAmericahewenttoArgentinaandBrazil.Heenjoyedwatchingsomegreatsoccermatches.-WhatcountriesdidhevisitinSouthAmerica.BothArgentinaandBrazil.ThenhedecidedtogobacktoAsia.ButthistimehewenttoSoutheastA

46、sia.HevisitedVietnam,ThailandandSingapore.Eachcountryhadacharmofitsown.-WheredidhegoafterhewenttoSouthAmerica.HewenttoSoutheastAsia.-HowmanycountriesdidhevisitinSoutheastAsia.Hevisited3differentcountries.AfterallthesetravelHarrydecidedtomaketravelpartofhiscareer.HedidntwanttoworkonlyintheUS.Hedidntw

47、anttoworkonlywithAmericans.Hewantedtoexperienceothercountriesandothercultures.His第12页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.dreamwastoworkforaninternationalcompany.-Whydidhedecidetoworkforaninternationalcompany.hewantedtoexperienceothercountriesandothercultures.-Whatwashisdream.workingfo

48、raninternationalcompany.5yearsago,hisdreamcametrue.NowheisworkingforaGermanhigh-techcompany.Aspartofhisjob,hehastotravelalot.Asaresult,hehasbeentomanycitiesandcountries.Andhehasmetmanyinterestingpeople.-Whathashappenedasaresulttohisjob.Hehasbeentomanycountriesandmetmanyinterestingpeople.-Whatkindofc

49、ompanyisheworkingfor.AGermanhi-techcompanyVocabularyAdentalcavityisaholeinatooth.Acavityiscausedbybacteriainthemouth.Brushingyourteethfrequentlyandregularlycanhelppreventcavities.Acracktoothcanbecausedbybitingdownonsomethinghard.Dentiststreatacracktoothbycoveringitwithacrown.AdentalX-Rayisapictureof

50、yourteethandgums.AnX-Rayshowswhatcantbeseenonthesurfaceoftheteethandgums.Bracesareusedbydentiststostrengthenteethoveraperiodofyears.Throughbracesareusuallyforchildren,theycanalsobeusedforadultswithcrookedteeth.Toexactatoothmeanstoremoveitfromthemouth.Dentistshavetopullhardtoexactatooth.Bracesareused

51、onpeoplewithcrookedteethorafteraninjury.第13页，共22页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.Bitingdownonsomethinghardcanbeverypainful.Dentistofteninjectsomethingintothegumtoblockthepainduringtheextractionprocess.Theheartpumpsbloodtoallpartsofthebodythroughasystemofarteriesandveins.Itslocatedinthe

52、chest,betweenthelungs,andbeatsaboutoncepersecond.Thekidneysremovewasteandtoxinsfromtheblood.Theyarebean-shapedorgans,andareabout10centimeterslongand6centimeterswide.Thelungsexchangeoxygenfromtheair,withcarbondioxidefromtheblood.Theyexpandwheninhalingair,andcontractwhenexhalingair.Thestomachisblowtheheart,andispartofthedigestivesystem.Itusesacidstodigestfoodbeforepassingittothesmallintestine.Thebladderisaballoon-shapedorganthatcollectsurinefromt