欢迎来到天天文库
浏览记录
ID:41549357
大小:95.86 KB
页数:21页
时间:2019-08-27
《2018版高中英语(人教版)必修4同步练习题:Unit3单元综合测评3》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、单元综合测评(三)I•阅读理解(共15小题,每小题2分,满分30分)AIn1905,aspartofhisSpecialTheoryofRelativity,AlbertEinsteinpublishedthepointthatalargeamountofenergycouldbereleasedfromasmallamountofmatter.ThiswasexpressedbyequationE=me2(energy=masstimesthespeedoflightsquared).Butbombswereno
2、twhatEinsteinhadinmindwhenhepublishedthisequation(等式).In1929,hepubliclydeclaredthatifawarbrokeout,hewouldurefusedtodowarservice,directorindirect-./'Hispositionwouldchangein1933,astheresultofAdolfHitler'scomingintopowerinGermany.Einstein'sgreatestroleintheinven
3、tionoftheatomicbombwassigningalettertoPresidentFranklinRoosevelturgingthatthebombbebuiltbecausesomephysicistsfearedthatGermanymightbeworkingonanatomicbomb.AmongthoseconcernedwerephysicistsLeoSzilardandEugeneWigne匸ButSzilardandWignerhadnoinfluencewiththoseinpow
4、er.SoinJuly1939theyexplainedtheproblemtosomeonewhodid:AlbertEinstein.AftertalkingwithEinstein,inAugust1939SzilardwrotealettertoPresidentRooseveltwithEinstein'ssignatureonit,whichwasdeliveredtoRooseveltinOctober1939.GermanyhasinvadedPolandthepreviousmonth;theti
5、mewasripeforaction.ThatOctoberresearchofa-bombbeganbutproceededslowlybecausetheinventionoftheatomicbombseemeddistantandunlikely.InApril1940anEinsteinletter,ghost-writtenbySzilard,pressedtheresearchersontheneedfor"greaterspeecT.Astherealizationofnuclearweaponsg
6、rewnear,Einsteinlookedbeyondthecurrentwartofutureproblemsthatsuchweaponscouldbring.Hewrotetohisfriendabouthisfearaboutthefutureuseofthea-bomb・TheatomicbombingsofJapanoccurredthreemonthsafterGermanygavein.InNovember1954,fivemonthsbeforehisdeath,Einsteinsummariz
7、edhisfeelingsabouthisroleinthecreationoftheatomicbomb:"Imadeonegreatmistakeinmylife...whenIsignedalettertoPresidentRooseveltrecommendingthatatombombsbemade;buttherewassomejustification一thedangerthattheGermanswouldmakethem”.1•Einsteinrealizedhismistakeof・A.co-o
8、peratingwithhisworkmatesB•inventingtheatomicbombC.publishinghisequationD・signingthelettertoPresidentRoosevelt【解析】细节理解题。根据最后一段中的“Imadeonegreatmistakeinmylife...whenIsignedalettertoP
此文档下载收益归作者所有