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【单选题】
设有关系模式R(A，B，C) ，根据语义有如下函数依赖集：F={A→B，(B，C) → A}。关系模式R的规范化程度至少要达到______。A.
1NF
B.
2NF
C.
3NF
D.
BCNF
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【简答题】to London, and visit the British Museum and some 78. _______
【简答题】Non-British, and even some British, must be having difficulty understanding the present differences that have cropped up in London between Queen Elizabeth II and her prime minister, Margaret Thatcher....
【简答题】The British are being encouraged to holiday at home as a major tourism drive offering Olympic themed discounts is launched next week. A new campaign offering 20. 12% discounted bills at participating ...
【单选题】下面程序运行后输出的结果为( ) main( ) { int f(int x); int a = 2, i; for (i = 0; i++ printf ("%d", f(a)); printf("\n"); } int f (int x) { int y = 0; static z = 3; y++; z++; return (x+y+z); }
A.
789
B.
777
C.
788
D.
都不正确
【单选题】—I'm going to visit the British Museum in summer holiday. — ______ [ ]
A.
With pleasure!
B.
Have fun!
C.
Good luck!
D.
Congratulations!
【简答题】佛教“三身佛”中法身佛指的是 ( )
【单选题】下面程序运行后输出的结果为( ) int f(int a) { int b = 0; static c = 3; a = c++, b++; return (a); } main( ) { int a = 2, i, k; for (i = 0; i < 2; i++) k=f(a++); printf("%d\n", k); }
A.
3
B.
0
C.
4
D.
5
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