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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,thereisnosuchthinga
2、saprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedbutthelanguagestheyspeakarebynomeansprimitive.Inallthelanguagesexistingintheworldtoday,therearecomplexitiesthatmusthavebeendevelopedforyears.Third,weknowthatalllanguagesareperfectlyadequate.Eachisaperfectmeansof
3、expressingitsculture.Andfinally,weknowthatlanguagechangesovertime,whichisnaturalandnormalifalanguageistosurvive.Thelanguagewhichremainsunchangedisnothingbutdead.2001年英语专业四级考试全真试卷及答案CharacteristicsofAGoodReader Toimproveyourreadinghabits,youmustunderstandtheCharacteristics
4、ofagoodreader.First,thegoodreaderusuallyreadsrapidly.Ofcourse,hedoesnotreadeverypieceofmaterialatthesamerate.Butwhetherheisreadinganewspaperorachapterinaphysicstext,hisreadingrateisrelativelyfast.Hehaslearnedtoreadforideasratherthanwordsoneatatime.Next,thegoodreadercanrecogni
5、zeandunderstandgeneralideasandspecificdetails.Thusheisabletocomprehendthematerialwithaminimumofeffortandamaximumofinterest.Finally,thegoodreaderhasinhiscommandseveralspecialskills,whichhecanapplytoreadingproblemsastheyoccur.Forthecollegestudent,themosthelpfuloftheseskillsincl
6、udemakinguseofthevariousaidstounderstandingthatmosttextbooksprovideandskim-readingforageneralsurvey 2002DisappearingForests Theworld’sforestsaredisappearing.Asmuchasathirdofthetotaltreecoverhasbeenlostsinceagriculturebegansome10,000yearsago.Theremainingforestsarehometohalfoft
7、heworld’sspeciesthusbecomingthechiefresourcefortheirsurvival.Tropicalrainforestsoncecoveredtwelvepercentofthelandoftheplanet.Aswellassupportingatleasthalfoftheworld’sspeciesofplantsandanimals,theserainforestsarehometomillionsofpeople.Butthereareotherdemandsonthem.Forexample,m
8、uchhasbeencutfortimber.Anincreasingamountofforestland（林地）hasbeenused
