W: I haven't heard about it. But you are right, I am interested in it.
Q: What will the woman probably do?
(18)
A. Call the TV station.
B. Look for cats with the man.
C. Meet the man at the cat exhibit.
D. Watch the program on TV.
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听力原文:W: Could you give this note to Alice?
M: Give this to Alice? What do you think I am? A messenger?
Q: What does the man imply?
(17)
A. He does not know who Alice is.
B. He has found a job as a messenger.
C. He does not want to deliver the note.
D. He does not know where Alice is.
函数f()、g()的定义如下图所示,调用函数f()时传递给形参a的值为1。若采用传值(call by value)的方式调用g(c),则函数f()的返回值为(29);若采用传引用(call by reference)的方式调用g(c),则函数f()的返回值为(30)。
A. 7
B. 5
C. 4
D. 3
A.“文件”菜单中的“保存”命令B.“文件”菜单中的“另存为”命令C.“文件”菜单中的“新建”命令D.“编
A. “文件”菜单中的“保存”命令
B. “文件”菜单中的“另存为”命令
C. “文件”菜单中的“新建”命令
D. “编辑”菜单中的“替换”命令
商品关系P(商品名,条形码,产地,价格)中的(55)属性可以作为该关系的主键。查询由“北京”生产的185L电冰箱的SQL语句应该如下:
SELECT商品名,产地
FROM P
WHERE 产地='北京'AND(56);
将价格小于50的商品上调5%的SQL语句应该如下:
UPDATE P
(57)
WHERE价格<50;
A. 商品名
B. 条形码
C. 产地
D. 价格