One way in which both Franck and Hannah did show their love was in theirwillingness to make sacrifices _____ their children.
A:to
B:with
C:for
D:of
第1题:
A.Twop557016way1.9MHzmachines
B.Onep559032way1.65MHzmachines
C.Onep559532way1.65MHzmachines
D.Twop557016way1.65MHzmachines
第2题:
第3题:
16、已知Sid商店,Pid商品编号,Cid商品名称,Did经营部,Mgr经营部经理,Scale经营部规模。下列属于3NF的关系模式是_________。
A.R(Sid,Pid,Cid,Did,Mgr,Scale)
B.R(Sid,Pid,Did)
C.R(Sid,Pid,Cid,Did )
D.R(Sid,Pid,Did,Scale)
第4题:
A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full
B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full
C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full
D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full
E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full
F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full
第5题:
如果定义谓词love(x,y)表示某一个人x喜爱运动项目y,那么以下表示“每个人都有自己喜爱的运动项目”知识的谓词公式是?
A.("x)($y)love(x,y)
B.($y)("x)love(x,y)
C.($x)("y)love(x,y)
D.("y)($x)love(x,y)
第6题:
9、如果定义谓词love(x,y)表示某一个人x喜爱运动项目y,那么以下表示“每个人都有自己喜爱的运动项目”知识的谓词公式是?
A.("x)($y)love(x,y)
B.($y)("x)love(x,y)
C.($x)("y)love(x,y)
D.("y)($x)love(x,y)