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2000年专四听力答案PARTIDICTATIONWhatWeKnowAboutLanguageManythingsaboutlanguageareamysteryandwillremainso./However,wenowdoknowsomethingaboutit./First,weknowthatallhumanbeingshavealanguageofsomesort./Nohumanraceanywhereonearthissobackward/thatithasnolanguageofitsownatall./Second,thereisnosuchthingasaprimitivelanguage./Therearemanypeoplewhoseculturesareundeveloped,/butthelanguagestheyspeakarebynomeansprimitive./Inallthelanguagesexistingintheworldtoday,/therearecomplexitiesthatmusthavebeendevelopedforyears./Third,weknowthatalllanguagesareperfectlyadequate./Eachisaperfectmeansofexpressingitsculture./Andfinally,weknowthatlanguagechangesovertime,/whichisnaturalandnormalifalanguageistosurvive./Thelanguagewhichremainsunchangedisnothingbutdead.PARTⅡLISTENINGCOMPREHENSIONSECTIONACONVERSATIONSQuestions1to3arebasedonthefollowingconversation.M:Jill,haveyouregisteredwiththenextsemester?W:Notyet,there'sstillsomethingthatI'mnotsure.DoyouknowifProfessorSmith'seconomics102isstillavailabletoallundergraduatestudents?M:No,Idon'tthinkso.LastsemesterItriedtoregisterinthatcoursebutalltheotherpeopletoldmenotto.W:Whynot?M:TheysaidthatmylackofknowledgeinhighermathematicsmightbeanobstacleinunderstandingProfessorSmith'stheory.W:Really?M:(I)JacktqldmethatProfessorSmithusuallyuseslotsofformulasinsideclass.Soyou'dbettermakesurethatyouareextremelyfamiliarwiththeseformulasifyouareseriouslyconsideringtakinghiscourse.W:WhatashameI(2)MyfriendsalltoldmethatProfessorSmithhaslotsoforiginalideasandhereallycanstimulatestudentstothink.ButIdon'tthinkIhavethemathematicalskillstokeepupwiththeothers.M:lfyouwanttotakethecoursesomuch,whydon'tyouregisterinacourseinhighermathematicsfirst?W.ButI'mafraidthatIwillmissProfessorSmith'scoursewhenIfinishthemathematicscourse.M:Hey,IheardthatProfessorSmithwouldgivethesamecourseinthesemesterthatstartsnextfall.(3)Whydon'tyoutakeayear'shighermathematicsandregisterineconomics102thenextfall?W:Thatsoundsagoodidea.I.[B]推断题。根据''Theysaidthatmylackofknow
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