SCI写作高频词汇和常用句型.doc

第一部分同义词替换1.about（大约）—approximately2.get—obtain3.finish—complete4.change—transform5.method—technique6.buy—purchase7.ask—inquire8.begin、start—commence9.cheap—inexpensive10.obtainable—avaible11.use—employ12.have—possess13.get—acquire14.extra—additional15.help—assistance16.about（关于）—concerning17.enlarge—magnify18.many—numerous19.best—optimum20.lively—vigorous第二部分连接词使用1.并列递进：moreover,inaddition,furthermore,besides,likewise,also,then,additionally2.转折：not,yet,however,nevertheless,nonetheless,meanwhile,ontheotherhand,onthecontrary,conversely,paradoxically,bycontrast,inspiteof，ratherthan,insteadof,unfortunately3.解释：inotherwords,infact,asamatteroffact,thatis,namely,insimplerterms4.原因：because,becauseof,as,since,owingto,dueto,thanksto,forthisreason5.举例：forexample,forinstance,assuch,suchas,take...forexample,toillustrate,tonameafew6.强调：surprisingly,interestingly,intriguingly,strikingly,unexpectedly,clearly,obviously,apparently,infact,indeed,actually,asamatteroffact,undoubtedly7.可能：presumably,probably,perhaps8.让步：although,afterall,inspiteof...,despite,evenif,eventhough,though,admittedly,giventhat9.总结：overall,eventually,consequently,insummary,inaword,asaresult,together,collectively,thus,hence,consequently,onthewhole,inconclusion,tosumup,inbrief,toconclude,tosummarize,inshort,briefly10.结果：therefore,asaresult,then,consequently,thus,hence,so,therefore,accordingly,consequently,asconsequence11.对比比较：likewise,similarly,inparallelto,while,whereas第三部分常用句式1.说明选题的重要性：Xisthemain/leading/primary/majorcauseof..Xsareacommon/useful/criticalpartof…Xsareamongthemostwidelyused/commonlydiscussed/well-known/well-documented/widespread/commonlyinvestigatedtypesof…Xisrecognizedasbeing/believedtobe/widelyconsideredtobethemostimportant…Itiswellknown/generallyaccepted/commonknowledgethatXis…Xisincreasinglybecoming/settobecomeavitalfactorin…Xsareundergoingarevolution/generatingconsiderableinterestintermsof…Xsareattractingconsiderable/increasing/widespreadinterestdueto…2.概述前人做过的研究：LastcenturyXwasconsideredtobe