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1、2000年英语专业四级考试答案WhatWeKnowAboutLanguage Manythingsaboutlanguageareamysteryandwillremainso.However,wenowdoknowsomethingaboutit.First,weknowthatallhumanbeingshavealanguageofsomesort.Nohumanraceanywhereonearthissobackwardthatithasnolanguageofitsownatall.Second,thereisnosuchthingasaprimitivelanguage.The
2、rearemanypeoplewhoseculturesareundevelopedbutthelanguagestheyspeakarebynomeansprimitive.Inallthelanguagesexistingintheworldtoday,therearecomplexitiesthatmusthavebeendevelopedforyears.Third,weknowthatalllanguagesareperfectlyadequate.Eachisaperfectmeansofexpressingitsculture.Andfinally,weknowthatlang
3、uagechangesovertime,whichisnaturalandnormalifalanguageistosurvive.Thelanguagewhichremainsunchangedisnothingbutdead.2001年英语专业四级考试全真试卷及答案CharacteristicsofAGoodReader Toimproveyourreadinghabits,youmustunderstandtheCharacteristicsofagoodreader.First,thegoodreaderusuallyreadsrapidly.Ofcourse,hedoesn
4、otreadeverypieceofmaterialatthesamerate.Butwhetherheisreadinganewspaperorachapterinaphysicstext,hisreadingrateisrelativelyfast.Hehaslearnedtoreadforideasratherthanwordsoneatatime.Next,thegoodreadercanrecognizeandunderstandgeneralideasandspecificdetails.Thusheisabletocomprehendthematerialwithaminimu
5、mofeffortandamaximumofinterest.Finally,thegoodreaderhasinhiscommandseveralspecialskills,whichhecanapplytoreadingproblemsastheyoccur.Forthecollegestudent,themosthelpfuloftheseskillsincludemakinguseofthevariousaidstounderstandingthatmosttextbooksprovideandskim-readingforageneralsurvey 2002Disappearin
6、gForests Theworld’sforestsaredisappearing.Asmuchasathirdofthetotaltreecoverhasbeenlostsinceagriculturebegansome10,000yearsago.Theremainingforestsarehometohalfoftheworld’sspeciesthusbecomingthechiefresourcefortheirsurvival.Tropicalrainforestsoncecoveredtwelvepercentofthelandoftheplanet.Aswellassuppo
7、rtingatleasthalfoftheworld’sspeciesofplantsandanimals,theserainforestsarehometomillionsofpeople.Butthereareotherdemandsonthem.Forexample,muchhasbeencutfortimber.Anincreasingamountofforestland（林地）hasbeenused
