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托福阅读学科分类表免费下载

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智课网TOEFL备考资料

托福阅读学科分类表免费下载
摘要：TOEFL考试中以阅读对词汇量的要求为最高，在95年8月以前的考试中，要得到满分或高分，您的词汇量应该在13，000至15，000左右，改题型后词汇放在文章中考，词汇量要求有所削减，但也要在8，000至9，000左右，而一般大学生的词汇量四级只在5千，六级再增加1千5百单词左右。
许多同学在开始TOEFL学习的时候，实际上，已经几年不接触英语了，需要的努力就更多，而多数情况下，当人们决定了将考TOEFL时，时间就剩不多了，如何短期获得尽可能多的TOEFL词汇，一直是大家关心的一个问题。
第十一篇(能源

Sincewe'vebeendiscussingalternativefuelslately,IwantedtopassontoyousomeinformationIreadaboutanewfuelthat'sbeeninthenewsalotlately.It'scalledA-21.
It'scomposedofwaterandachemicalknownasnaphtha.Itseemstobeaverypromisingfuelbecauseit'smuchcleanerthanthegasolinethatweusetoday.That'snottosaythatitdoesn'tpollute,butitiscleaner.A-21isn'tlikesomeotheralternativefuelsthatrequirecompletelynewtypesofengines.A-21stillworksinregular,everyday
combustionengines---liketheonesincars---withonlyminormechanicalmodifications.Sochangingoverwouldn'tbeabigdeal.
Youmaydoubtsomeoftheseclaimsasmanyresearchershave.Somepeoplefearedthatbecauseitcontainsabout45percentwateritwouldfreezeinthewinter.Butasmallamountofantifreezewasaddedtoit,andthatseemstohavesolvedtheproblem.
A-21hasrecentlyundergonestreettestsinbusesinReno,Nevada.Sofaritseemstoworkjustfine.Thisisagoodthing,especiallyinNevada,becausethestategovernmenttherehaspassedalawrequiringthatalargepercentageofvehiclesinNevadarunonalternativefuels.A-21shouldhelp.
第十二篇(风tornado

ThewindsofatornadoarethemostviolentanddestructiveonesonEarth.Anyofyouwhohaveseenoneknowsverywellhowfrighteningandpowerfultheyare.What'sinterestingaboutthemisthatscientistsdon'tactuallyknowexactlywhytornadoesoccur.
Wedoknow,however,whathappenswhentornadoesareformed.Asyouremember,afrontoccurswhencool,dryairfromthenorthmeetswarm,humidaircomingfromthesouth(fromtheGulfofMexico,fortornadoesintheUnitedStates.Wheretheseairmassesmeet,anarrowzoneofstormcloudsdevelops,andthunderstorms,andsometimestornadoes,occur.
Howisthisviolentweatherproduced?Well,amassofwarm,humidairrisesveryrapidly.Asitrises,morewarmairrushesintoreplaceit.Thisinrushingairalsorises,andinsomecases,especiallywhenthereisextremethermalinstability,beginstorotate.Whenthishappens,therotatingairformsatornado.

Evenifyou'veseentornadoesonlyinmovies,youknowthattheycandemolishbuildingsinseconds.Thisispossiblebecausewhenatornadopassesoverahouse,itsucksupairfromaroundthehouseandsotheairpressureoutsidethehousedropsrapidly.Inside,pressureremainsthesame.So,airpressureinsideisgreaterthanairpressureoutside.Theresultisthatthebuildingexplodesoutward.Next,we'lltalkalittlebitabouthownewtechnologicaldevelopmentsarebeingusedtotrytopredicttornadoes.
以上就是托福阅读学科分类表的相关内容，托福阅读考试过程中词汇是不少学生的弱项，掌握这些词汇对我们的托福阅读考试是非常有帮助，最后祝愿大家在即将到来的托福考试过程中能够取得优异的成绩。

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