EOF()是测试函数,当前数据表文件的记录指针已到尾部,其函数值为()。
A.0
B.1
C.T
D.F
参考答案:C
----May I borrow your pen, Mike ?
----Yes, of course. Here are some and you can take ______ of them.
A.every
B.all
C.any
D.either
10只兔子放入4个兔舍,至少有3只兔子要放入同一个兔舍里,为什么?