A. grown
B. tended
C. raised
D. cultivated
第1题:
关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)+ZIP, ZIP→CITY},关系模式CSZ的主属性是
A.ZIP
B.CITY,ST,ZIP
C.CITY,ZIP
D.ST,ZIP
第2题:
王先生国籍为中国,居住在美国,正确的填写方式为()
A.Country:American Nationality:China
B.Country: China Nationality:China
C.Country:American Nationality: American
D.Country: China Nationality: American
第3题:
2、王先生国籍为中国,居住在美国,正确的填写方式为()
A.Country:American Nationality:China
B.Country: China Nationality:China
C.Country:American Nationality: American
D.Country: China Nationality: American
第4题:
关系模式CSZ(CITY,ST,ZIP)其属性组上的函数依赖集为F={(CITY,ST)→ZIP, P→CITY},关系模式CSZ的主属性是
A.ZIP
B.CITY,ST,ZIP
C.CITY,ZIP
D.ST,ZIP
第5题:
1.王先生国籍为中国,居住在美国,正确的填写方式为()
A.Country:American Nationality:China
B.Country: China Nationality:China
C.Country:American Nationality: American
D.Country: China Nationality: American
第6题:
请改正下面程序中存在的错误。 def StudentInfo(country='China', chineselevel='A', name): print('%s,%s,%s'%(name,country,chineselevel)) StudentInfo(country='America', chineselevel='B', name='John')