问题
选择题
He suddenly appeared on ________ rainy night, which was ________ great surprise to us.[ ]
A．a; /
B．a; a
C．the; a
D．/; the
答案
答案：B
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He suddenly appeared on ________ rainy night, which was ________ great surprise to us.[ ]
A．a; /
B．a; a
C．the; a
D．/; the
答案：B
18～25题所用的数据如表1和表2所示。
| 表1 员工表(RGB.dbf)
|
| 表2 销售表(SSB.dbf)
|
下列程序执行后，结果中将包含______条记录。
SELECT YGB.员工号，YGB.姓名；
FROM RGB，SSB；
WHERE YGB.员工号=SSB.员工号；
AND SSB.金额＞=800 AND SSB.金额＜=900
A．2
B．3
C．4
D．5