欢迎来到天天文库
浏览记录
ID:50396502
大小:33.00 KB
页数:4页
时间:2020-03-08
《新概念英语第四册第十九单元语法与句型.doc》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、新概念英语第四册第十九单元课语法与句型Lesson19Thestuffofdreams说梦话的本质Itisfairlyclearthatthesleepingperiodmusthavesomefunction,andbecausethereissomuchofitthefunctionwouldseemtobeimportant.Speculationsaboutitsnaturehavebeengoingonforliterallythousandsofyears,andoneoddfindingthatmakestheproblempuzzli
2、ngisthatitlooksverymuchasifsleepingisnotsimplyamatterofgivingthebodyarest.'Rest',intermsofmusclerelaxationandsoon,canbeachievedbyabriefperiodlying,orevensittingdown.Thebody'stissuesareself-repairingandself-restoringtoadegree,andfunctionbestwhenmoreorlesscontinuouslyactive.Infac
3、tabasicamountofmovementoccursduringsleepwhichisspecificallyconcernedwithpreventingmuscleinactivity.Ifitisnotaquestionofrestingthebody,thenperhapsitisthebrainthatneedsresting?Thismightbeaplausiblehypothesiswereitnotfortwofactors.Firsttheelectroencephalograph(whichissimplyadevice
4、forrecordingtheelectricalactivityofthebrainbyattachingelectrodestothescalp)showsthatwhilethereisachangeinthepatternofactivityduringsleep,thereisnoevidencethatthetotalamountofactivityisanyless.Thesecondfactorismoreinterestingandmorefundamental.Inl960anAmericanpsychiatristnamedWi
5、lliamDementpublishedexperimentsdealingwiththerecordingofeye-movementsduringsleep.Heshowedthattheaverageindividual'ssleepcycleispunctuatedwithpeculiarburstsofeye-movements,somedriftingandslow,othersjerkyandrapid.Peoplewokenduringtheseperiodsofeye-movementsgenerallyreportedthatth
6、eyhadbeendreaming.Whenwokenatothertimestheyreportednodreams.Ifonegroupofpeopleweredisturbedfromtheireye-movementsleepforseveralnightsonend,andanothergroupweredisturbedforanequalperiodoftimebutwhentheywerenotexhibitingeye-movements,thefirstgroupbegantoshowsomepersonalitydisorder
7、swhiletheothersseemedmoreorlessunaffected.Theimplicationsofallthiswerethatitwasnotthedisturbanceofsleepthatmattered,butthedisturbanceofdreaming.(NCEBookFour)【语法点】matter的词性和用法【课文原句】Speculationsaboutitsnaturehavebeengoingonforliterallythousandsofyears,andoneoddfindingthatmakesthe
8、problempuzzlingisthatitlooksverymuchasifsleepingisnots
此文档下载收益归作者所有