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简析《神曲》的艺术特征。

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已知关系模式R=(A，B，C，D，E，F，G)满足函数依赖集： F={A→B，B→C，A→E，B→F，C*D→G} 关系模式R的码由哪些属性组成R属于第几范式将R设计成3NF的关系。

补写出下列名句名篇中的空缺部分。 ______，蓝田日暖玉生烟。(李商隐《锦瑟》)

ResumeName: ChenYajuAddress: 38 Friendship Avenue, Qingshan District, Wuhan 430080Date of Birth: July 31,1979Sex: FemaleMarital status: SingleHealth: ExcellentEducation:1990 -- 1996 No. 2 Middle School, Qingdao, Shandong Province1996 -- 2000 Beijing Normal University, BeijingMajor: EnglishReceived B. A in English, July 20002000 -- 2003 Wuhan University, Wuhan, Hubei ProvinceMajor: Translation Theory and TeachingReceived M.A. in English in May, 2003Work Experience:1996 work for two month as translator and interpreterHier Company, Qingdao1997 -- 1999 Tutor of EnglishBeijing Normal University2001 -- present: Teacher of EnglishWuhan Foreign Languages Research InstituteAwards and Scholarships1990 -- 1996 "Excellent Student", No. 2 Middle School, Qingdao1997 -- 2000 Recipient of university scholarships, Beijing Normal UniversityInterests: Travel, musicReference: Available upon requestChen Yaju is from Qingdao, (46) . When she studied in the middle school, she was an (47) She entered the Beijing Normal University in (48) and studied for 4 years there. After graduation, she (49) to further her study of English. Now, she has just received her M. A. in English. She is interested in (50) . Now she is working at Wuhan Foreign Languages Research Institute. 48（）

MACRO ENGINEERING CO.Invites applications fromENGINEERS, TECHNOLOGISTS, AND TECHNICIANSWe operate a first -class Standards Laboratory that is a calibration(校正) center for precision electrical, electronic, and mechanical measuring instrument maintenance programs.Applicants for Senior positions should hold a BS in Electrical Engineering. Technologists and Laboratory Technicians should be graduates of a recognized electronics or mechanical technology course who have specialized in precision measurement.All applicants must be able to start work on Oct. 1. 2003.Apply in writing to:Mr. F. Stokes Chief Engineer Macro Engineering CO. 600 Deepdale DriveToronto. OntarioM5W4R9 Who is Mr. F. Stokes He is（）of Macro Engineering CO.