懂你英语 核心课 level2unit3.docx

懂你英语 核心课 level2unit3.docx

《懂你英语 核心课 level2unit3.docx》由会员分享，可在线阅读，更多相关《懂你英语 核心课 level2unit3.docx（26页珍藏版）》请在冰豆网上搜索。

懂你英语核心课level2unit3

L2-U3-1/4listening

Busschedule1/aboutEarth

A

Hereisabusscheduleatabusstop.

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.

B

Thisisourplanetearth.

Ithasshapeofasphere,likeaball.

Theequator（地球的赤道）devicetheearthintotwohalvesequator.

Thenorthernhalfisthenorthernhemisphere（半球体）.

Thesouthernhalfisthesouthernhemisphere.

EuropeandAsiaarebothinthenorthernhemisphere.

AustraliaandathirdofAfricaareinthesouthernhemisphere.

C

Theearthmovesintwoways.

First,it’sbeenandrotates.

It’srotatesarounditsaxis.

Theaxisisalinethroughitscenter.

Ittakestheearthtwenty-fourhourstocompletearotation.

Thatisthelengthofoneday.

D

Second,theearthtravelsaroundthesun.

Ittakesaboutthreehundredsixty-fivedaysfortheearthtogoaroundthesun.

Thatisthelengthofoneyear.

It’saveragespeedduringtheyearisaboutthirtykilometerspersecond.

E

Theearth’saxisisnotperpendiculartothesun.

Theearth’saxisistilted.

Itistiltedatanangleofaroundtwenty-threepointfivedegrees.

Thistiltcausestheseasonsoftheyear.

F

Duringpartoftheyear,northernhemisphereistiltedtowardthesun.

Whenthenorthernhemisphereistiltedtowardthesun,itssummer.

Whenthenorthernhemisphereistiltedawayfromthesun,itswinter.

Thisiswhytheseasonsareoppositeforthenorthernandsouthernhemispheres.

Whenit’ssummerinAustralia,it’swinterinEurope.

G

Whatwouldhappeniftheearth’stiltweredifferentthanitisnow.

Iftheearthtiltswerelarger,summerwouldbehotter.

Iftheearthtiltsweresmaller,summerswouldbecooler.

Iftheearthhadnotiltatall,therewouldbenoseasons.

Therefore,theangleofthetiltisveryimportantforlifeonearth.

H

Theearthisninety-threemillionmilesfromthesun.

Thesunisatthecenterofoursolarsystem.

Oursolarsystemhasseveralplanetswhichorbitaroundit.

Ourplanetisthethirdplanetfromthesun.

I

Iftheearthwereclosertothesun,ourplanetwouldbehotter.

Iftheearthwerefurtherfromthesun,ourplanetwouldbecolder.

Therefore,thedistancebetweentheearthandthesun,it’sveryimportant.

练：

Wehavetowaituntil9:

00,whichistenminutesfromnow.

Whichbusdoesn’tgotothemaintrainstation.

Thenorthernhalfisthenorthernhemisphere.

Thelengthofoneyearisaboutthreehundredsixty-fixdays.

Whatcausestheseasonsoftheyear

Inwinter,theearthtiltsawayfromthesun.

L2-U3-1/4vocabulary

Seasons/differencedisease1

A

Winteristhecoldesttimeoftheyear.

Winternightarelongandthedaysareshort.

Summeristhehottesttimeoftheyear.

Summernightsareshortandthedaysarelong.

Springcomesafterwinterandbeforesummer.

Springiswhentreesturngreen.

Autumnorfallcomesaftersummerandbeforewinter.

Autumniswhentreesturnmanycolorsandleavesfalltotheground.

Somecountrieshavearainyseason.

Inrainyseasonitrainsalmosteveryday.

B

Thisboyhasabrokenleg.

Hecan’twalkwithoutcrutches.

Thisgirlhasasorethroat.

Shedoesn’tfeelgoodbecauseherthroathurts.

Thisgirlisvomiting（呕吐）

Sheatesomethingbad,soshe’sthrowingup.

Thisboyhasafever.

Histemperatureisthirty-ninepointfivedegreesCelsius.

Thisgirlhasaheadache.

Shedoesn’tfeelgoodbecausetheheadaches.

练：

1.Inspringthedaysbecomewarmereachday.

Hebrokehisleginaskiingaccident

Heneedstodrinkplentyofliquids.

L2-U3-1/4dialogue

Talkaboutseasons/takebustotrainstation

A

Ireallyhatethiscoldwinterweather.

Really,Idon’tmindit,it’snotsobad.

First,it’sreallycold.

Second,Idon’tliketheshortdaysandlongnights.

It’salwaysdark.

Sure,butwhat’stheelsething

Springiscomingandwarmerweather.

Yes,andlongerday.

B

Whataboutsummers

Doyoulikehotweather

Idon’tlikesummerweathertoo.

Isittoohotforyou

Yes,it’stoohot.

Everydayishotandhumid（潮湿的）.

So,Ialwaysfeeltiredandthirsty.

Yeah,metoo.

Itakeashowertwiceaday.

C

So,whichisworse,summerorwinter

Goodquestion.

IguessIpreferwinter.

Whataboutyou

Well,Ipreferwintertoo.

Idon’tmindthelongnight.

D

Ofcourse,thebestseasonsarespringandautumn.

Whichthosedoyouprefer

That’sbetweenthoseto,Ipreferautumn.

Whydoyoupreferautumn

Iloveitwhentheleavesturndifferentcolors.

Iagreewithyou.

Iguessautumnismyfavoriteseasontoo.

E

Isurprise,Tom.

Ithoughtyoupreferspring.

Whyisthat

Everythingisyoungandnewinspring,right

Well,maybeI’llchangemymind.

F

Excuseme,whenisthenextbus

Towhere

Tothetrainstation.

Let’slookatthebusschedule.

Whichbusgoestothetrainstation

Busesforty-eightandsixtybothgotothetrainstation

G

It’seightfifty-ninenow.So,Ijustmissthenumberthirty-eight.

Right,itcomeafewminutesago.

Thenextbustothetrainstationcomesatnineo’clock.

Yes,Ihopeitisn’tlate.

Thetrafficisheavy.

H

Oh,look,theNO.sixtyiscomingnow,rightonschedule.

Great,thanksforyourhelp.

You’rewelcome.

Haveagoodday.

Youtoo.

练：

Theweathergetswarmerinspring.

Winterhastheshortestdaysandthelongestnights.

Shetakesashowertwiceaday.

L2-U3-2/4listening

Den’sworkday/Ben’slunch

A

Denisapilot.

Hefliesairplanetoallpartsoftheworld.

ThiswashisscheduleyesterdaywhichwasSunday.

Hewokeupatsix-thirty.

Afterwakingup,hegotoutofbedandbrushhisteeth.

Afterthat,hetookashower.

B

Heandwifeatebreakfasttogetheratsevenfifteen.

Hehadabigbreakfastofeggs,potatoesandfruit.

Theyfinishedeatingatseventhirty.

Aftereating,heputonhisuniform.

Ateighto’clock,theylefttheirhouse,andhiswifedrovehimtotheairport.

Thetrafficwasheavy,soittookforty-fiveminutestogettotheairport.

C

Theyarrivedattheairportateightforty-fifteen.

Aftergoingthroughsecurity,hecheckedtheweatheralongtheflightpath.

Atnine-thirty,heboardedtheplane.

Heandco-politetalkedabouttheflight.

D

Byten-thirtythepassengersareallonboard.

Theypushedbackfromthegateattenforty-five.

Fromthegateittooktenminutestogototherunway.

Thereweretwoairplanesinfrontofthem,sotheyhadtowait.

E

Theyfinallyenteredtherunwayateleven-ten,whichwasfiveminutesbehindschedule.

Twominuteslater,attwelve,theytookoffforBeijing.

F

TheflightfromSanFranciscotoBeijingtooktwelvehours.

Theylandedintheafternoononedaylater.

InBeijing,itisalreadyMonday.

G

Afterleavingtheaircraft,hetookabustohotelinBeijing.

Hecheckedinatsixpmandwentuptohisroom.

Whenhegottohisroom,hetookashower.

Thenhewentdownstairsatedinner.

H

Aftereating,hewentbacktohisroomandwatchedsomeTV.

Atteno’clock,hewenttobedandfellasleep.

Thedayaftertomorrow,he’llflybacktoSanFrancisco.

Hiswifeandchildrenwillbehappytoseehim.

Theyalwaysmisshimwhenhe’saway.

I

Benoftenbuyslunchatschool.

Heusuallyspendsaroundfivedollarsforlunch.

Herearethepricesofsomeofthethingsonthemenu.

Sandwichesareonedollarfiftycents.

Benlikessandwichesbutyesterdayhehadtwoslicesofpizza.

Asliceofpizzacoststhesameasasandwich.

J

Healsohadsomefruit,

Hehadbanana,whichwasadollar.

Hewashungrysohealsohadasalad.

Thesaladcostsonedollartwenty-fivecents.

Hehadabottleofwaterfromhome,sohedidn’tbuyanythingtodrink.

Altogetherhislunchcostfivedollarsandtwenty-fivecents.

Heenjoyedhislunch,becausethepizzawasgood.

练：

Whatwasthetotalcostofhislunch

Aftergoingbacktohisroom,hewatchedsomeTV

L2-U2-2/4vocabulary

Severalvehicle（交通工具）/differencedisease2

A

Airplanesarethefastestwaytotravelalongdistance.

Airplanetravelisoneofthesafestwaystotravel.

Thisisatruckorlorry.

Truckscarryanddelivermanyofthethingswebuyanduseeachday.

Busesareagoodwaytotravelinacity.

Abuscancarrymanypassengersandislessexpensivethanataxi.

Busescancarrymorepassengersthanataxiortrunk.

Shipstransportfreight,suchasoilorautomobilesacrosstheoceans.

Someshipscarrypassengersonoceancruises.

Ambulancescarrysickorinjuredpeopletoahospital.

Ifsomeoneisinanaccident,callforanambulance.

练：

OneveryfamouspassengershipwastheTitanic.

B

Thisboyhasacutonhisfinger.

Hecuthisfingerwithaknife,sonowit’sbleeding.

Thisgirliscoughing（咳嗽）.

Sheiscoughingbecauseshehasabadcold.

Thisboyhasdiarrhea（拉肚子）

Heatesomethingbadsohisstomachhurts.

Thispersonisdead.

Heisdead,becausehewashitbythecar.

Thismanisdrunk.

He’sdrunkbecausehedranktoomuchwine.

练

Hehastogotothetoiletagainandagain.

Hewasn’tcarefulcrossingthestreet.

L2-U3-2/4dialogue

Lisa’squestionaboutearth/herlunch

A

Canyouhelpme

Here’smyhomeworkquestion.

Sure,I’llhelpyouifIcan.

What’sthequestion

Whatwouldhappentotheseasons,iftheearthstoppedtorotating.