懂你Level2L2-U3-1/4listeningBusschedule1/aboutEarthAHereisabusscheduleatabusstop.Ithasscheduleforthreebusesbetweeneightandninethirtyinthemorning.BusNo.38hasaregularschedule.Itcomeseveryfifteenminutes.Eightten,Eighttwenty-five,eightforty,eightfifty-five,nineten,nighttwenty-five.BusNo.forty-sevencomeslessoften.Itcomesateighttwenty,eightforty-five,ninetwenty-five.BusNo.sixtyistheearliestbus.Itcomesateighto-five,eightthirty,andnineo’clock.BusNo.thirty-eighthasstopsatthemaintrainstationandtheairport.BusNo.sixtystopsatthemaintrainstation,butdoesgototheairport.BusNo.forty-sevendoesn’tgotoeitherthemaintrainstationortheairport.BThisisourplanetearth.Ithasshapeofasphere,likeaball.Theequator(地球的赤道)devicetheearthintotwohalvesequator.Thenorthernhalfisthenorthernhemisphere(半球體).Thesouthernhalfisthesouthernhemisphere.EuropeandAsiaarebothinthenorthernhemisphere.AustraliaandathirdofAfricaareinthesouthernhemisphere.CTheearthmovesintwoways.First,it’sbeenandrotates.It’srotatesarounditsaxis.Theaxisisalinethroughitscenter.Ittakestheearthtwenty-fourhourstocompletearotation.Thatisthelengthofoneday.DSecond,theearthtravelsaroundthesun.Ittakesaboutthreehundredsixty-fivedaysfortheearthtogoaroundthesun.Thatisthelengthofoneyear.It’saveragespeedduringtheyearisaboutthirtykilometerspersecond.ETheearth’saxisisnotperpendiculartothesun.Theearth’saxisistilted.Itistiltedatanangleofaroundtwenty-threepointfivedegrees.Thistiltcausestheseasonsoftheyear.FDuringpartoftheyear,northernhemisphereistiltedtowardthesun.Whenthenorthernhemisphereistiltedtowardthesun,itssummer.Whenthenorthernhemisphereistiltedawayfromthesun,itswinter.Thisiswhytheseasonsareoppositeforthenorthernandsouthernhemispheres.Whenit’ssummerinAustralia,it’swinterinEurope.GWhatwouldhappeniftheearth’stiltweredifferentthanitisnow.Iftheearthtiltswerelarger,summerwouldbehotter.Iftheearthtiltsweresmaller,summerswouldbecooler.Iftheearthhadnotiltatall,therewouldbenoseasons.Therefore,theangleofthetiltisveryimportantforlifeonearth.HTheearthisninety-threemillionmilesfromthesun.Thesunisatthecenterofoursolarsystem.Oursolarsystemhasseveralplanetswhichorbitaroundit.It’seightfifty-ninenow.So,Ijustmissthenumberthirty-eight.Right,itcomeafewminutesago.Thenextbustothetrainstationcomesatnineo’clock.Yes,Ihopeitisn’tlate.Thetrafficisheavy.HOh,look,theNO.sixtyiscomingnow,rightonschedule.Great,thanksforyourhelp.You’rewelcome.Haveagoodday.Youtoo.練：Theweathergetswarmerinspring.Winterhastheshortestdaysandthelongestnights.Shetakesashowertwiceaday.L2-U3-2/4listeningDen’sworkday/Ben’slunchADenisapilot.Hefliesairplanetoallpartsoftheworld.ThiswashisscheduleyesterdaywhichwasSunday.Hewokeupatsix-thirty.Afterwakingup,hegotoutofbedandbrushhisteeth.Afterthat,hetookashower.BHeandwifeatebreakfasttogetheratsevenfifteen.Hehadabigbreakfastofeggs,potatoesandfruit.Theyfinishedeatingatseventhirty.Aftereating,heputonhisuniform.Ateighto’clock,theylefttheirhouse,andhiswifedrovehimtotheairport.Thetrafficwasheavy,soittookforty-fiveminutestogettotheairport.CTheyarrivedattheairportateightforty-fifteen.Aftergoingthroughsecurity,hecheckedtheweatheralongtheflightpath.Atnine-thirty,heboardedtheplane.Heandco-politetalkedabouttheflight.DByten-thirtythepassengersareallonboard.Theypushedbackfromthegateattenforty-five.Fromthegateittooktenminutestogototherunway.Thereweretwoairplanesinfrontofthem,sotheyhadtowait.ETheyfinallyenteredtherunwayateleven-ten,whichwasfiveminutesbehindschedule.Twominuteslater,attwelve,theytookoffforBeijing.FTheflightfromSanFranciscotoBeijingtooktwelvehours.Theylandedintheafternoononedaylater.InBeijing,itisalreadyMonday.GAfterleavingtheaircraft,hetookabustohotelinBeijing.Hecheckedinatsixpmandwentuptohisroom.Whenhegottohisroom,hetookashower.Thenhewentdownstairsatedinner.HAftereating,hewentbacktohisroomandwatchedsomeTV.Atteno’clock,hewenttobedandfellasleep.Thedayaftertomorrow,he’llflybacktoSanFrancisco.Hiswifeandchildrenwillbehappytoseehim.Theyalwaysmisshimwhenhe’saway.IBenoftenbuyslunchatschool.Heusuallyspendsaroundfivedollarsforlunch.Herearethepricesofsomeofthethingsonthemenu.Sandwichesareonedollarfiftycents.Benlikessandwichesbutyesterdayhehadtwoslicesofpizza.Asliceofpizzacoststhesameasasandwich.JHealsohadsomefruit,Hehadbanana,whichwasadollar.Hewashungrysohealsohadasalad.Thesaladcostsonedollartwenty-fivecents.Hehadabottleofwaterfromhome,sohedidn’tbuyanythingtodrink.Altogetherhislunchcostfivedollarsandtwenty-fivecents.Heenjoyedhislunch,becausethepizzawasgood.練：Whatwasthetotalcostofhislunch?Aftergoingbacktohisroom,hewatchedsomeTVL2-U2-2/4vocabularySeveralvehicle(交通工具)/differencedisease2AAirplanesarethefastestwaytotravelalongdistance.Airplanetravelisoneofthesafestwaystotravel.Thisisatruckorlorry.Truckscarryanddelivermanyofthethingswebuyanduseeachday.Busesareagoodwaytotravelinacity.Abuscancarrymanypassengersandislessexpensivethanataxi.Busescancarrymorepassengersthanataxiortrunk.Shipstransportfreight,suchasoilorautomobilesacrosstheoceans.Someshipscarrypassengersonoceancruises.Ambulancescarrysickorinjuredpeopletoahospital.Ifsomeoneisinanaccident,callforanambulance.練：OneveryfamouspassengershipwastheTitanic.BThisboyhasacutonhisfinger.Hecuthisfingerwithaknife,sonowit’sbleeding.Thisgirliscoughing(咳嗽).Sheiscoughingbecauseshehasabadcold.Thisboyhasdiarrhea(拉肚子)Heatesomethingbadsohisstomachhurts.Thispersonisdead.Heisdead,becausehewashitbythecar.Thismanisdrunk.He’sdrunkbecausehedranktoomuchwine.練Hehastogotothetoiletagainandagain.Hewasn’tcarefulcrossingthestreet.L2-U3-2/4dialogueLisa’squestionaboutearth/herlunchACanyouhelpme?Here’smyhomeworkquestion.Sure,I’llhelpyouifIcan.What’sthequestion?Whatwouldhappentotheseasons,iftheearthstoppedtorotating.Stoptorotating?Youmeantheearthwouldalwaysfacethesamedirection?Right,soadaywouldbeayearlong.Wow,that’sadifficultquestion.So,eachseasonwouldbeonefourthoftheyear.Idon’tknow,Iamnotsure.BDuringthesummer,thesunwouldalwaysbeup.Itwillbeveryhot.Andduringthewinter,itwillalwaysbedark,right?Yes,Ithinkthat’sright.Maybetherewouldn’tbeanyspringoffall.Hey,Idon’tknow.Ok,let’scheckthatontheinternet.CHey,whyareyousittingthere?Where’syourlunch?Ileftitathome.What’sgoingtothecafeteriaandgetlunchtogether?No,Ican’t.Whynot.Idon’thaveanymoney.Ileftmymoneyathome.That’sok,Ihaveenoughmoney.Youcanpaymebacktomorrow.Thanks,I’mhungry.DWhatwouldyoulike?Thatpizzalooksgood.Ihadpizzayesterdayanditwasn’tverygood.Itdidn’thavemuchtaste.Howaboutthesandwiches?Sometimesthey’reok.Buthotdogsareusuallygood,andneverbad.So,whatareyougoingtoget?IthinkI’llhaveahotdogandabanana.I’mtiredofpizzaandnoodles.EWhataboutsomethingtodrink?Oh,justwater.Thesoftdrinkshavetoomuchsugar.Idon’twanttogainweight.Ok,I’llhavethesamething.Great,sothetotalcoastishowmuch?Twohotdogs,twobananasandtwobottlesofwater.That’ssixdollars.FDoyouhaveenough?Noproblem.I’vegottentendollars.Thanksagain.I’llpayyoubacktomorrow.Noproblem,don’tworryaboutit.GMymotherisn’tgoingtobehappy.Whyisthat?ShemademylunchandIleftitathome.Oh,Isee.Myparentslikethattoo.L2-U3-3/4listeningLisagotacold/amangotanaccidentALastnight,Lisacomehomelaterthanusual.Itwasraining,andshedidn’thaveherumbrella.Whenshegothome,shewascoldandwet.Shewastiredandshedidn’tfeelwell.Shegotoutofherwetclothesandwenttobed.Shejustwantedtosleep.BThismorningshewokeupwithabadcold.Shehadaheadacheandasorethroat.Hermothertookhertemperature.Hertemperaturewasthirty-ninedegrees,soshehadafever.Hermothertoldhertostayinbed.CLisasorethroathurtalot.So,hermothercalledthedoctor.Shemadeanappointmentforeleveno’clock.Lisagotoutofthebedatteno’clockandgotdressed.Attenfifteen,theylefttheirapartment.Itwasstillraining,sotheytookataxi.DTheygottothedoctor’sofficeatthenforty-five.HermothergaveLisa’snametothereceptionist.Thentheysatinthewaitingroom.Theywaitedfortenminutes.ThenanursecameandtookLisaintoanotherroom.ThenurseweightedLisaandtookhertemperature.ThenLisawaitedforthedoctor.EWhenthedoctorcame,helookeddownherthroat.Helistenedtoherheartbeat.Thenhegaveherashotinherarm.Theshothurtalittle,butLisadidn’tmind.Shewantedittohelpherfeelbetter.FAfterleavingthedoctor’soffice,theywenttoapharmacy.Hermotherboughtsomemedicine.Thentheytookataxihome.GFortherestoftheday,Lisastayedinbed.Shetooksomemedicineanddrankalotofliquids.Shesleptforacoupleofhours.Thenshelistenedtosomemusic.Bysixo’clock,shewasfeelingmuchbetter.HNow,she’sthinkingabouttomorrow.She’slookingforwardtogoingtoschool.Shedoesn’twanttostayhomeagain.Butshemayhavetostayhome.Shecan’treturntoschooluntilhercoldisgone.Shedoesn’twantherfriendstocatchacold.IYesterday,therewasaterribleaccident.Ithappenedinfrontofasubwaystation.Therewasacrosswalk,andthelightwasred.JCarswerecomingfromalldirections.Ayoungmanwantedtocrossthestreet.Hedidn’twanttowaitforthelighttochange.Helookedbothwaysandthenstartedtorunacrossthestreet.Buthedidn’tseeonecarandithithim.Heflewupintotheairandcamedownontheroad.Hisheadwasinjuredandhewasbleeding.KSeveralpeopleusedtheirphonestocallforanambulance.Itarrivedafewminuteslaterandtookthemanaway.Westilldon’tknowifhelivedordied.Hopefully,he’saliveandwillgetbettersoon.Sobecarefulwhenyoucrossthestreet.L2-U3-3/4vocabularyWhatpeopleneed/water’sdifferencestateAEveryoneneedsfoodandwater.Withoutfoodandwater,wenotlive.Peopleneedaplacetoliveinandsleep.Weneedaplacetokeepusdryinrainyweather.Weneedgoodheathtokeepusstrong.Dailyexerciseisagoodwaytostayingoodhealth.Weneedskillstofindagoodjob.Withoutgoodjobskills,wecan’tkeepagoodjob.Weneedmoneytobuythings,suchasfood.Withoutmoney,it’sverydifficulttohaveagoodlife.BIceisthesolidstateofwater.ThefreezingpointofwateriszerodegreeCelsius.Thisistheliquidstateofwater.Liquidstaketheshapeoftheircontainersuchasthisglass.Watervaporisthegasstateofwater.WaterbecomesagasatahundreddegreeCelsiuswhichisitsboilingpoint.Weusethescalelikethistoweightthings.Onekilogramisequaltotwopointtwopounds.Thisisathermometer.Weusethermometerlikethistomeasuretemperature.L2-U3-3/4dialogueTalkaboutAngela/talkabouttrafficaccidentAIdidn’tseeAngelatoday.Didshecometotheoffice?No,shedidn’t.Shestaysathome,shesick.Sick,what’swrongwithher?She’sabadsorethroatandaheadache.She’sstayinginbed.Oh,that’stoobad.Shelookedfineyesterday.Shewasfineyesterday,butlastnightshegotwetintherain.BDidn’tshehaveanumbrella?No,shedidn’t,soshereallywet.It’salongwalkfromthesubwaytoherhome.Shedidn’tgethomeuntillate.CItwasreallyraininglastnight.Igotwettoo,andIhadmyumbrella.Itwasthatstrongwinds.Myumbrellawasnotmuchhelp.Still,itwasbetterthannothing.DAnyway,whenyouseeher?Tellhertogetbettersoon.Wemissherattheoffice.Thereisalsoanimportantmeetingthedayaftertomorrow.Ihopeshecanbethere.Ok,I’llcallherandletherknow.Ifshecan’tbehere,wecouldsetupaconferencecall.Sopleaseletmeknow.Iwill.EIsawaterribleaccidentyesterday.Whathappened?Iwaswaitingtocrossthirdstreetandthelightwasred.Yes,manypeopledon’twanttowaitforthatlight.Ittakesalongtimeforthatlighttochange.So,thereisayoungmandidnotwanttowait.Heranoutintothetraffic,andacarhithim.FSo,hedidn’tseethecar?Right,hedidn’tseeit,anditwasgoingtoofasttostop.So,whathappenedtohim?Thedrivergotoutofthecarandstayednexttohim.Hewasjustlyingthere.Iwentouttodirecttrafficandseveralotherpeoplecalledforanambulance.GHowlongdidittakefortheambulancetoarrive?Itdidn’ttakealong.Ithinkitonlytooktenminutes.Howwastheyoungmanwhentheambulancearrived?Hiseyeswereopen,buttherewasbloodcomingoutofhismouth.Itdidn’tlookgood.HDidthepolicecome?Yes,theygottherejustbeforetheambulance.Didtheyaskyouanyquestions?Yes,theydid,theyaskalotofquestions.So,Itoldthemwhathappened.IWhataboutthedriverofthecar?Whentheambulanceleft,hewassittinginhiscar.Thepoliceweretalkingtohim.Whathappenedafterthat?Idon’tknow,becauseIhadtogethome.JHowdidyoufeel?Ikeptthinkingaboutit.Fromnowon,I’llbemorecarefulcrossingthestreet.Metoo.L2-U3-4/4listeningComparisonpeople’sweightandheight/Cathy’sonedayAHerearefourpeople.Twoofthemaretall.Themanonthetopleftisverytall.Heissixfeetthreeinchestall,whichisaboutonepointninemeters.Thewomanonthetoprightisfivefeeteleveninchestall.Sheistall,butnotastallasthemanontheleft.BThegirlonthebottomleftisshort.Sheislessthanfivefeettall.Sheisfourfeetteninches,whichisaboutonehundredforty-sevencentimeters.Theboyonthebottomrightistallerthanthegirl.Heisfivefeetoneinchestall.Whichisaboutonehundredfifty-fivecentimeters.Heisthreeinchestallerthansheis.CNowlet’slookattheweight.Themanonthetopleftistheheaviest.Heweightstwohundredtwentypoundswhichisahundredkilograms.Thewomanweightslessthanhedoes.Sheweightahundredandthirtypoundswhichisfiftyninekilograms.DThegirlontheleftisverythin.Shedoesn’tweightverymuch.Herweightisjustseventypounds.Theboyismuchheavier.Heweightsninetypounds,whichisaboutforty-onekilograms.EThisiswhatCathydidyesterday.Shegotupatsixthirtyandcookedbreakfastforherfamily.Atseventhirty,shedrovehertwochildrentoschool.Itookaboutforty-fiveminutestotakethemtoschool.FAfterdrivingthemtoschool,shereturnedhome.Forthenexthourshecleanedthehouse.Thenshetalkedtoafriendonthephone.Theydecidedtomeetatashoppingmall.GShearrivedatthemallatelevenforty-five.Shemetherfriendinacoffeeshop.Theyatelunchtogetherandthentheywentshopping.Therewasabigsaleatoneofthestores.Therewerediscountsofuptofiftypercentsotheyboughtclothesfortheirkids.HAtonethirtyherefriendwantedtogotoafitnesscenter(健身中心).Theyusuallyworkedoutthreetimesaweek.Butyesterday,Cathyhadaheadache.Shedecidednottoworkout.Instead,shedecidedtogohome.IWhenshegothome,herheadachewasworse.Shetooksomemedicineandhadashortnap.Afterhernap,shefeltabitbetter.Herheadachewasgone.JHerkidscamehomeatfiveo’clock.Theywereallhungry,butshedidnotfeellikecooking.Instead,shedecidedtoordersomefood.SheorderedsomeChinesefood.KForty-fivelater,thedeliverymancame.Shepaidhimforthefoodandthentheyatedinner.Thefoodwasgoodandnotveryexpensive.Itwasanicechange.Herhusbanddidn’tcomehomeuntillate.Thatwasgood,becausehedoesn’tlikeChinesefood.練：Sheweightsninetypoundslessthanhedoes.Themanonthetopleftweighsthemost.Thegirlisverythinandlight.Theboyistwentypoundsheavierthanthegirl.Aftershepaidforthefood,theyatedinner.L2-U3-4/4vocabularyDifferentvoice/differentsubjectHerearesomethingstolistento.Mostpeopleenjoylisteningtomusic.Therearemanytypesofmusic,includingclassicalandjazz.Listeningtotheradio.Wecanlistentothenews,musicandconversationontheradio.Listeningtothesoundsofthecity.Thesoundsofthecityareoftenloudandnoisy.Listeningtothesoundsofnature.Earlyinthemorning,wecanoftenhearthesoundofbirdssinging.Listeningtootherpeople.Sometimeslisteningtoothersisinteresting.BHerearesomeschoolsubjects.Inscienceclass,welearnaboutourworld.Scienceiswherewelearnaboutforcessuchasgravity(重力，地心引力).Inthemathclasswelearnaboutnumbersandshapes.Welearnhowtocountandhowtofindtheareaofdifferentshapes.Inhistoryclass,welearnaboutthepass.Welearnabouthowourcountrybeganandhowithaschanged.Ingeography(地理學(xué))classwelearnaboutthelandandpeopleofourplanetearth.Welearnaboutoceans,mountainsandrivers.Inliterature(文學(xué))class,wereadandstudygreatbooksandpoems.Welearnedtowritedownourideasan