历年英语专四听力真题、答案和原文

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1、2000年专四听力答案PARTIDICTATIONWhatWeKnowAboutLanguageManythingsaboutlanguageareamysteryandwillremainso./However,wenowdoknowsomethingaboutit./First,weknowthatallhumanbeingshavealanguageofsomesort./Nohumanraceanywhereonearthissobackward/thatithasnolanguageofitsownatall./Second,thereisnosuchthingasaprimit

2、ivelanguage./Therearemanypeoplewhoseculturesareundeveloped,/butthelanguagestheyspeakarebynomeansprimitive./Inallthelanguagesexistingintheworldtoday,/therearecomplexitiesthatmusthavebeendevelopedforyears./Third,weknowthatalllanguagesareperfectlyadequate./Eachisaperfectmeansofexpressingitsculture./A

3、ndfinally,weknowthatlanguagechangesovertime,/whichisnaturalandnormalifalanguageistosurvive./Thelanguagewhichremainsunchangedisnothingbutdead.PARTⅡLISTENINGCOMPREHENSIONSECTIONACONVERSATIONSQuestions1to3arebasedonthefollowingconversation.M:Jill,haveyouregisteredwiththenextsemester?W:Notyet,there'ss

4、tillsomethingthatI'mnotsure.DoyouknowifProfessorSmith'seconomics102isstillavailabletoallundergraduatestudents?M:No,Idon'tthinkso.LastsemesterItriedtoregisterinthatcoursebutalltheotherpeopletoldmenotto.W:Whynot?M:TheysaidthatmylackofknowledgeinhighermathematicsmightbeanobstacleinunderstandingProfes

5、sorSmith'stheory.W:Really?M:(I)JacktqldmethatProfessorSmithusuallyuseslotsofformulasinsideclass.Soyou'dbettermakesurethatyouareextremelyfamiliarwiththeseformulasifyouareseriouslyconsideringtakinghiscourse.W:WhatashameI(2)MyfriendsalltoldmethatProfessorSmithhaslotsoforiginalideasandhereallycanstimu

6、latestudentstothink.ButIdon'tthinkIhavethemathematicalskillstokeepupwiththeothers.M:lfyouwanttotakethecoursesomuch,whydon'tyouregisterinacourseinhighermathematicsfirst?W.ButI'mafraidthatIwillmissProfessorSmith'scoursewhenIfinishthemathematicscourse.M:Hey,IheardthatProfessorSmithwouldgivethesamecou

7、rseinthesemesterthatstartsnextfall.(3)Whydon'tyoutakeayear'shighermathematicsandregisterineconomics102thenextfall?W:Thatsoundsagoodidea.I.[B]推断题。根据''Theysaidthatmylackofknowledgeinhighermathematicsmightbeanobstac