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时间:2020-05-15
《新概念英语第四册第十五单元语法和句型(教学用).doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、新概念英语第四册第十五单元语法和句型Lesson15Secrecyinindustry工业中的秘密Twofactorsweighheavilyagainsttheeffectivenessofscientificinindustry.Oneisthegeneralatmosphereofsecrecyinwhichitiscarriedout,theotherthelackoffreedomoftheindividualresearchworker.Insofarasanyinquiryisasecretone,itnaturallylimitsallthosee
2、ngagedincarryingitoutfromeffectivecontactwiththeirfellowscientistseitherinothercountriesorinuniversities,oreven,oftenenough,inotherdepartmentsofthesamefirm.Thedegreeofsecrecynaturallyvariesconsiderably.Someofthebiggerfirmsareengagedinresearcheswhichareofsuchgeneralandfundamentalnature
3、thatitisapositiveadvantagetothemnottokeepthemsecret.Yetagreatmanyprocessesdependingonsuchresearcharesoughtforwithcompletesecrecyuntilthestageatwhichpatentscanbetakenout.Evenmoreprocessesareneverpatentedatallbutkeptassecretprocesses.Thisappliesparticularlytochemicalindustries,wherechan
4、cediscoveriesplayamuchlargerpartthantheydoinphysicalandmechanicalindustries.Sometimesthesecrecygoestosuchanextentthatthewholenatureoftheresearchcannotbementioned.Manyfirms,forinstance,havegreatdifficultyinobtainingtechnicalorscientificbooksfromlibrariesbecausetheyareunwillingtohavethe
5、irnamesenteredashavingtakenoutsuchandsuchabookforfeartheagentsofotherfirmsshouldbeabletotracethekindofresearchtheyarelikelytobeundertaking.(NCEBookFour)【语法点】平行结构句第二分句中的省略【课文原句】Oneisthegeneralatmosphereofsecrecyinwhichitiscarriedout,theotherthelackoffreedomoftheindividualresearchworker
6、.【闯关例句】我们的教室在二楼,他们的在三楼。她教中学,她的丈夫教大学。布景很漂亮,演技也很好。读书使人知识渊博;谈论使人处事机敏;写作使人判断精准。(FrancisBacon)有些书宜浅尝;有些书宜狼吞;有些则宜细嚼之后消化之。(FrancisBacon)人欺我一次,此人可耻;欺我两次,我可耻。如果你是主人,偶尔要装瞎;如果是佣人,偶尔要装聋。有一个星期一我们进行了检查。詹妮在白天,我是在下班以后。勤勉可保持身体壮健,头脑清晰,心理健全,钱包饱胀。检验黄金者炉火,检验女人者黄金,检验男人者女人。他的建议让约翰高兴,但是让玛丽生气。他是1989年的冠军,而鲍勃是1
7、990年的冠军。汤姆学历史,我则学电脑。【语法点】either…or引出的平行结构【课文原句】Insofarasanyinquiryisasecretone,itnaturallylimitsallthoseengagedincarryingitoutfromeffectivecontactwiththeirfellowscientistseitherinothercountriesorin3universities,oreven,oftenenough,inotherdepartmentsofthesamefirm.【闯关例句】Instead,wemustrel
8、yeith
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