听力第二册UNIT5Word文档下载推荐.docx
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Howoldishe?
4.A:
CanIbookatablefortonight,please?
Certainly.Howmanyisitfor?
A:
There'
llbethreeofthem.
5.A:
Canyougetsomecornflakes?
Doyouwantalargeorsmallpacket?
Asmallone.
Exercise:
a.wantb.grapes
a.1ikeb.them
a.thinkb.scotland
a.beenb.there
a.callb.David
B:
a.oldb.he
a.bookb.tonight
a.certainlyb.many
A:
a.threeb.them
a.getb.cornflakes
a.largeorsmallb.packet
asmallb.one
Part2listeningandNote-taking
Reading
Whenshouldachildstartlearningtoreadandwrite?
ThisisoneofthequestionsIammostfrequentlyasked.Thereisnohardandfastrule,fornotwoarealike,anditwouldbewrongtosetatimewhenallshouldstartbeingtaughttheinsandoutsofreadingletterstoformwords.
Ifathree-year-oldwantstoread(orevenatwo-year-oldforthatmatter),thechilddeservestobegiveneveryencouragement.Thefactthatheorshemightlaterbe"
bored"
whenjoiningaclassofnon-readersatinfantschoolistheteacher'
saffair.Itisuptotheteachertoseethatsuchachildisgivenmoreadvancedreadingmaterial.
Similarly,thechildwhostillcannotreadbythetimehegoestojuniorschoolattheageofsevenshouldbegiveneveryhelpbyteachersandparentsalike.Theyshouldmakecertainthatheisnotdyslexic*.Ifheis,specialisthelpshouldimmediatelybesought.
Althoughparentsshouldbecarefulnottoforceyoungstersagedtwotofivetolearntoread(ifbadlydoneitcouldputthemoffreadingforlife)thereisnoharminpreparingthemforsimplerecognitionoflettersbylabellingvariousitemsintheirroom.Forinstance,byanicepieceofcardboardtiedtotheirbedwithBEDwritteninneat-bigletters.
Shouldtheyoungchildaskhisparentstoteachhimtoread,andiftheparentsarecapableofdoingso,suchanappealshouldnotbeignored.Butthetaskshouldbeundertakengently,withgreatpatienceandasenseofhumour.Readingshouldneverbemadetolooklikeachoreandthechildshouldneverbeforcedtocontinue,shouldhisintereststarttoflag*.
ExerciseA:
1.Thereisnohardandfastrule,fornotwoarealike.
2.Thefactthatheorshemightlaterbe"
saffair.
3.Ifbadlydoneitcouldputthemoffreadingforlife
4.Butthetaskshouldbeundertakengently.
5.Readingshouldneverbemadetolooklikeachore.
ExerciseB:
Itwouldbewrongtosetatimewhenachildshouldstartlearningtoreadandwrite.Parentsshouldencourageyoungstersagedtwotofivetoreadiftheyshowinterestsinit,butneverforcethemtolearntoread.Heorshemightlaterbe"
whenjoiningaclassofnon-readersatinfantschool.Thenitisuptheteachertoseethatsuchachildisgivenmoreadvancedreadingmaterial.
Similarly,ifachildcannotreadattheageofseventeachersandparentsshouldmakecertainthatheisnotdyslexic.Ifheis,specialisthelpshouldimmediatelybesought
Parentsshouldnotignoretheyoungchild'
sappealtoteachhimtoread.Butthetaskshouldbeundertakengently,withgreatpatienceandasenseofhumourReadingshouldneverbemadetolooklikeachoreandthechildshouldneverbeforcedtocontinue,ifhisinterestsstarttofalg
SectionTwoListeningComprehension
Part1Dialogues
Dialogue1DigitalSound
{Music}
MIKE:
Wow!
Nice.CDshavesuchgoodsound.DoyoueverwonderhowtheymakeCDs?
KATHY:
Well,theygetabunchofmusicianstogether,andtheysingandplay.
Comeon.YouknowwhatImean.Whyisthesoundqualitysogood?
Imean,whydoCDssoundsomuchclearerthancassettetapes?
Actually,Idoknowthat.
Really'
?
It'
sallbasedondigitalsound.CDsaredigital.Digitalsoundislikeseveralphotos,alltakenoneafteranother.It'
skindoflikepicturesofsound.Theintensityofthesound–howstrongitis--ismeasuredveryquickly.Thenit'
smeasuredagainandagain.Whenwehearthesound,itallsoundslikeonelongpieceofsound,butit'
sreallylotsofpiecesclosetogether.Andeachpieceisreallyclear.
M1KE:
Sodigitalislikelotsofshort"
pieces"
ofsound.
KATHY.Exactly.Thisisdifferentfromanalog*--that'
showtheyusedtorecord.Analogismorelikeonewaveofsound.Itmovesupanddownwithvolumeandpitch.Anyway,analogislikeasinglewave.Digitalislikeaseriesofpieces.
OK,Iunderstandthat.ButhowdotheymaketheCDs?
Itoldyou.Theygetahunchofmusicianstogether,andtheysingandplay.
Quality
Recordingtechnique
Digitalsound
Muchclearer
Digitalsoundislikeseveralphotosalltakenoneafteranother.It'
sKindoflikepicturesofsound,Digitalislikeaseriesofpieces.
Analogicalsound
Aanlogismorelikeonewaveofsound.Itmovesupanddownwithvolumeandpitch.Analogislikeasinglewave
Dialogue2HowDoTheyMakeCDs?
Itoldyou,Mike.Theygetabunchofmusicianstogether,andtheysingandplay.
Kathy!
No.Whatreallyhappensisfirsttheydoadigitalrecording--onvideotape.
Onvideotape.
Yeah,theyusevideotape.Sothenthevideotapeisplayedthroughacomputer.
OK.Whatdoesthecomputerdo?
Well,thecomputerisusedtofigureoutthe"
ofsoundweweretalkingabout;
howlongeverythingis,howfarapartspacesare.
OK.Sothecomputerisfiguringoutthoseseparate"
Yeah.Theyneedtodothattomakethemaster.
Themaster?
ThemasteristheoriginalthatalltheotherCDsarecopiedfrom.It'
smadeofglass.It'
saglassdiskthatspinsaround--justlikearegularCD.Andtheglassdiskiscoveredwithachemical.Theyusealasertobumthesignal,orthesong,intotheglassplate.Thelaserburnsthroughthechemical,butnotthroughtheglass.
Sothelasercutsthesoundintotheplate.
Right.Whatit'
sdoingiscuttinglittleholes.intothebackofthedisk.
Thoseholesarecalled"
pits."
Thelaserputsinthepits.
SoCDsreallyhavelittleholesontheback?
Ididn'
tknowthat.
Yeah.Tinypits.They'
retoosmalltosee.[Pause.]Anyway,thenthey'
vegotthemaster,andtheymakecopiesfromit.ThenyoubuyyourcopyandputitintheCDplayer.
PutitintheCDplayer...ThatpartIunderstand.
KATHY:
sanotherlaserinyourCDplayer.ThelightofthelaserreflectsofftheCD.ThesmoothpartoftheCDreflectsstraightback,likeamirror.Butthelightthatbouncesoffthepitsisscattered.Anyway,thecomputerinyourCDplayerreadsthelightthatbouncesoffthepits.Andyougetthemusic.
MIKE:
Reflectedlight,huh?
...Uh...youknewwhatIlike?
Justrelaxing,listeningtomusic,andnotreallyworryingabouthowitgetsonthedisk.
Youwantmetoexplainitagain?
「Music」
I.ThemakingoftheCDs
A.Recording
a.Theygetabunchofmusicianstogether,singingandplaying.
b.Firsttheydoadigitalrecording--onvideotape.
c.Thenthevideotapeisplayedthroughacomputer.
d.Thecomputerfiguresoutthoseseparate"
ofsoundtomakethemaster.
B.Themakingofthemaster
a.ThemasteristheoriginalthatalltheotherCDsarecopiedfrom.
b.It'
smadeofglass,coveredwithachemical.
c.Theyuselasertoburnthesignal,orthesong,intotheglassplate.Thelaserbumsthroughthechemical,butnotthroughtheglass.
d.Itcutslittleholesintothebackofthedisk.Thoseholesarecalled"
e.Theymakecopiesfromit.
II.Playingback
A.YoubuythecopyandputitintheCDplayer.
B.ThelightofthelaserreflectsofftheCD.
a.ThesmoothpartoftheCDreflectsstraightback,likeamirror.
b.Butthelightthatbouncesoffthepitsisscattered.
c.ThecomputerinyourCDplayerreadsthelightthatbouncesoffthepits.
d.Yougetthemusic.
Part2Passages
Passage1Toothbrush
Brushingourteeth--suchacommonplaceactivitytoday,hasbeenaroundforalongtime.Imagine:
theancientEgyptianswerealreadyconcernedabouttheirdentalhygiene!
Weknowthistodaybecausetheyalsohadthegoodhabitofbeingentombed*withalltheirtreasures...Sowewereabletodiscoverthattombsfrom3,000yearsbeforeChristcontainedsmalltreebrancheswhoseendshadbeenfrayed*intosoftfibers.It'
scomicaltoimagineanEgyptianstoppingtobrushhisteethafterameal,onhisbreakfrombuildingapyramid!
Thetrueancestorofourtoothbrush,however,wasinventedbytheChineseinthe15thcenturyandbroughtbacktoEuropebytravellers.ThistoothbrushwasmadeofhairsfromtheneckofaSiberianwildboarwhichwerefixedtoabambooorbonehandle.ThepeopleoftheOccident*,however,foundthewildboarhairstoostiff.Atthetime,veryfewpeopleintheWesternworldbrushedtheirteeth,andthosewhodidpreferredhorsehairs,whichweresofterthanthoseofthewildboar!
InEurope,itwasmorecustomaryaftermealstouseagoosefeathertoothpick,oronemadeofsilverorcopper.Otheranimals'
hairwasalsousedfordentalcare,rightupuntilthiscentury.ButitwasthepoorSiberianwildboarthattookthebruntofit.Theanimalwasimportedforitsneckhairsforalong,longtime...infact,untilnylonwasinvented,inthe20thcentury!
In1937,intheDuPontlaboratorie