U6听力教程第三版施心远学生用书.docx

U6听力教程第三版施心远学生用书.docx

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U6听力教程第三版施心远学生用书

Unit6

SectionOneTacticsforListening

Part1Phonetics

Stress,IntonationandAccent

Script

AnAmericanfilmstaristalkingtoyouabouthislikesanddislikes.Hashefinishedspeaking?

Ticktherightbox.

1.W-e-ell,Ijustlo-o-vericeandfish.../

2.Well,asIwassaying,Ijustlovericeandfishandtomatosauce.\

3.AndIsupposeyouwanttoknowwhatdrinksIlikeandsoon...Well,Iguessdon'muchcareforwhisky?

/

4.AndIdon'muchcareforrum?

/

5.AndIdon'likelemonadeatall.\

6.Andmyfavouritemusicismyown?

/

7.AndCatStevens,Iguess.\

Key

12345

67

Hehasfinishedhissentence.

V

V

Hewantstoaddsomething.

V

V

V

Part2ListeningandNote-Taking

IdentifyingCriminals

Script

A.Listentosomesentencesandfillintheblankswiththemissingwords.

1.Computerscanmakeiteasierforthepolicetofindpeopletheywanttoquestion.

2.Abadlikenesscanleadtothearrestofaninnocentperson.

3.Awitnessbeginstoforgettheculpritfeaturesafterspendingalongtimelooking

throughthesephotographs.

4.Expertshavetoworkontheproblemofgettingaccuratedescriptionsfromwitnesses.

5.Witnessesgivebetterdescriptionswhentheyareencouragedtorecallthesceneofthecrime.

B.Listentoatalkaboutidentifyingcriminals.Takenotesandcompletethefollowingoutline.

Cancomputershelpthepolicetoidentifycriminals?

Expertsnowthinkcomputerscanmakeiteasierforthepolicetofindpeopletheywanttoquestion.

Atpresent,thesystemmostwidelyusedbytheBritishpoliceiscalledPhotofit.Witnessesdescribeasuspectandthenapictureisbuiltuplikeajigsaw,usingfivedifferentsetsoffeatures.Theseare:

hair,eyes,nose,mouthandchin.Thissystemcanbeveryusefulinfindingcriminals,butonlyinonecaseoutoftwenty.Quiteoften,almosthalfthetime,infact,Photofitpicturesaremisleading.Therearetworeasonsforthis.Firstly,thepicturemaylooknothingatalllikethesuspect.Secondly,thelikenessmaybesogeneralthatitisnotatallhelpful.Andunfortunately,abadlikenesscanleadtothearrestofaninnocentperson.

Witnesses'attitudescaninflueneetheirdesptiions.Inarecentexperiment,agroupofpeoplewasshownapictureofamanandtoldthathewasamassmurderer.WhenaskedtoproducePhotofitpicturesofthisman,theymadepicturesthatshowedamurderous-lookingindividual.Butatthesametime,asecondgroupwasshownthesamepictureandtoldthatthesamemanwasalifeboatcaptainwhohadreceivedamedalforbravery.WhenthesecondgroupproducedPhotofitpictures,theseshowedamanwhowashandsomeandwell-groomed.

Thepolicehaveanotherwayofidentifyingcriminals.Policerecordscontaintensofthousandsofphotographsofpeopleconvictedofcrimes.Witnessescanlookthroughtheseinthehopeofrecognizingsuspects;however,ithasbeendiscoveredthatawitnessbeginstoforgettheculprit'sfeaturesafterspendingpagtimelookingthroughthesephotographs.

AcomputersystemcalledFRAME（FaceRetrievalandMatchingEquipment）combinesthebestfeaturesofbothmethods.Allthephotographsonrecordareputonthecomputerfile.Whenawitnessdescribesasuspect,thecomputersearchesthefileforphotographsthatfitthedescription.Thewitnessisthenpresentedwithasmallnumberofphotographstolookthrough.

Ofcourse,thissystem,asitexistsatpresent,willonlyhelptoidentifypeoplewhose

photographsarealreadyonpolicefiles.Sonow,expertshavetoworkontheproblemofgettingaccuratedescriptionsfromwitnesses.Onethingtheyhavediscoveredisthatwitnessesgivebetterdescriptionswhentheyareencouragedtorecallthesceneofthecrime.Theydonotneedtogothere;justimaginingthesceneworksjustaswell.

Key

A.1.Computerscanmakeiteasierforthepolicetofindpeopletheywanttoquestion.

2.Abadlikenesscanleadtothearrestofaninnocentperson.

3.Awitnessbeginstoforgettheculpritfeaturesafterspendingalongtimelookingthroughthesephotographs.

4.Expertshavetoworkontheproblemofgettingaccuratedescriptionsfromwitnesses.

5.Witnessesgivebetterdescriptionswhentheyareencouragedtorecallthesceneofthecrime.

B.IdentifyingCriminals

I.ThePhotofitsystem

A.Witnessesdescribeasuspect

B.Thenapictureisbuiltup,usingfivedifferentsetsoffeatures

1.Hair.

2.Eyes.

3.Nose

4.Mouth.

5.Chin.

C.Advantage

1.Thissystemcanbeveryusefulinfindingcriminals.

D.Disadvantages

1.Butonlyinonecaseoutoftwentythemethodisaccurate.

2.AlmosthalfthetimePhotofitpicturesaremisleading.

3.Therearetworeasonsformisleading.

i.Firstly,thepicturemaylooknothingatalllikethesuspect.

ii.Secondly,thelikenessmaybesogeneralthatitisnotatallhelpful.

E.Witnessesat'tudescaninflueneetheirdescriptions.

II.Anotherwayofidentifyingcriminals

A.Policerecordscontaintensofthousandsofphotographsofpeopleconvictedofcrimes.

B.Witnesseslookthroughtheseinthehopeofrecognizingsuspects.

III.FRAME（FaceRetrievalandMatchingEquipment）

A.Acomputersystemcombinesthebestfeaturesofbothmethods.

B.Allthephotographsonrecordareputonthecomputerfile.

C.Thecomputersearchesthefileforphotographsthatfitthedescription.

D.Thewitnessisthenpresentedwithasmallnumberofphotographstolookthrough.

E.Disadvantages

1.Thesystemwillonlyhelptoidentifypeoplewhosephotographsarealready

onpolicefiles.

2.Descriptionsfromwitnessesmustbeaccurate.

SectionTwoListeningComprehension

Part1SentenceIdentification

Script

Identifyeachsentenceassimple（S）,compound（CP）,complex（CPL）orcompound-complex（C-C）.Youwillheareachsentencetwice.Writethecorrespondingletter（s）inthespaceprovided.

1.Thelamphanginginthehallwayswunginthegustingwind,scatteringshadowsacrossthefloorandupthewalls.

2.Beesbuzzed,mosquitoeswhined,andfatfliesdronedinthesultryair.

3.Ihaven'tbecomeinvolvedwithanythingbecauseIhopedwe'dsoonbemoving.

4.Theminuteswereflyingby;itwasalmosttimeforhisfirstheattobegin.

5.Wearebacktowherestartedout.

Key

1.S2.CP_3.CPL4.CP5.CPL

Part2Dialogues

Dialogue1IDon'tBelieveIt!

Script

A.Listentothedialogueandanswerthequestions.

A:

No,Ithinkit'asloadofrubbishmyself.Imean,somepeoplebelieveanything,don'tthey?

Well,itdoesn'tmakesensThdngssflyingaroundinthesky,

comingdownfromanotherplanetandallthat?

No,Ithinkwhenthescientistssayit'shappenedandwecanpterinhowithappened—Imean,whenwehavesomerealproof,thenI'llbelieveit.

the

B:

Therecouldbesometruthinit,butItendtothinkit'justatouristattraction.Ican'texplainthephotographs.Andthentherearethephotographsof"Bigfoot,”erm,er,AbominableSnowman*inthemountainsofIndia.Well,that'thesamesortofthing.Isupposeitcouldbetrue,butit'thesamewithallthesestories,you'dliketoseeitforyourselfbeforeyoubelieveit.

C:

Oh,yes.Theydefinitelyexist.Yes,Ibelievethatsomepeoplecomebacktohaunt*us.Imean,we'veallhadstrangefeelingsaboutpeople）whenoIongerwithus,orstrangefeelingsaboutcertainplaces.Ithinkthosefeelingsareakindofghost.Wedon'talwaysseesomething,youknow,inalongwhitedressgoingfwhooeooo”inthemiddleofthenight,butwecanhavestrongfeelingsaboutthepast.Somepeoplehaveverystrongfeelingssotheyactuallybegintoseethings,somethingmoving,ashape,alight,Idon'know.Scientificfactscan'explaineverythinginthisworld,youknow.

B.Listentothedialogueagainandcompletethefollowingarguments.

Key

A.1.Theyaretalkingaboutsupernaturalthings.

2.Thefirstspeaker.

B.1.Ionlybelievethingswhenthereisscientificexplanationorrealproof.

2.Peoplesometimesjustduplicateoldmysteriousstoriesinanewsettingtoattracttourists.

3.Theredoexistghosts.Whenpeoplehaveaverystrongfeelingaboutthepast,theybegintoseeghosts.

Dialogue2UnidentifiedFlyingObjects

Script

A.Listentothedialogueandcompletethefollowingreport.

Interviewer:

Mr.Burton,yousaythatyouhaveseenaUFO.Isthatright?

Mr.Burton:

Yes,absolutelyright.Ithappenedjustoverayearago.

Interviewer:

Andwherewasthis?

Mr.Burton:

NearmyhomeinAldershot,inthesouthofEngland.Ilivenearthebig

militarybaseinAldershot.

Interviewer:

Whattimeofdaywasit?

Mr.Burton:

Itwasaboutoneo'clockinthemorning.Iwasoutfishing.Ttoeather

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

Mr.Burton:

Interviewer:

forecastsaiditwasgoingtobeawarm,clearnightwithnoclouds,andthat'sperfectforfishi.ng

Andwhathappened?

Well,Isawabrightlightcomingtowardsmeataboutthreehundredfeet,andthenitstartedtoland.Itwasbehindsometrees,butIcouldseeitclearlybecausetherewasafullmoon.ThenIsawtwoformscomingtowardsme,andwhentheywereaboutfivefeetaway,theyjuststoppedandlookedatmeforagoodtenorfifteenseconds.

Whatdidtheylooklike?

Theywerequitesmall,aboutfourfeettall,dressedingreensuitsfromheadtofoot,andtheyhadhelmetsofthesamecolourwitharedvisor*,soIcouldn'tseefathceisr.Theybothcarriedspaceguns.

Didtheyspe