短时记忆的容量为()组块。
A、4—6
B、4—7
C、5—8
D、5—9
参考答案:D
在下面的Visual FoxPro表达式中,运算结果为逻辑真的是______。
A.EMPTY(.NULL.)B.LIKE(’xy’,’xyz’)C.AT(’xy’,’abcxyz’)D.ISNULL(SPACE(0))
In the opinion of many people, body-bombers are forced to do so but ______ many of them are willing to. [ ]
A.as a matter of fact
B.as are sult
C. in matter of facts
D. in actually