标准SCSI线缆可允许的最大长度是()。
A.1.8米
B.1米
C.2.7米
D.3.6米
参考答案:B
Which do you enjoy ____ your weekend, swimming or fishing?
A.spending
B.being spent
C.spend
D.to spend
设int x:,则经过______ 后,语句*px=0;可将x值置为0。
A.int*px;
B.int const *px=&x;
C.int* const px=&x:
D.const int *px=&x;