63题知识汇总网络课堂总结14.doc

63题新东方网络课堂总结14.doc:..63题新东方网络课堂总结1463题新东方网络课堂总结14"PassagelO新老观点对比型(专业性文章)咖啡因提神原理新观点(比较特殊,先出现新观点)Caffeine,thestimulantincoffee,hasbeencalled/zthemostwidelyusedpsychoactivesubstanceonEarth."Snyder,DalyandBrunshaverecently(时间状语,很可能是新老观点对t匕型)(重点内容)阻碍thereleaseofneurotransmitters,,,whichhavebeendesignatedAlandA2*,whichisstructurallysimilarto*7Badenosine,i sabletobind tobothtypesofreceptors,(证明了是新老观点对比型),caffeine’seffectshavebeenattributedtoitsinhibition阻石辱oftheproductionofphosphodiesterase,(结论),prolongedperiodsattheelevatedconcentrations,asmightbebroughtaboutbyaphosphodiesteraseinhibitor其实京尤是指咖啡因,couldleadtoagreateramountofneuronfiringand,consequently,(老观点的描述中出现新观点的人名,用来批驳老观点)etal理由一pointoutthatthecaf