串是任意有限个
A.符号构成的集合
B.符号组成的序列
C.字符构成的集合
D.字符构成的序列
参考答案:D
数据通信网服务器CPU利用率的运维指标为()
A.大于80%
B.小于90%
C.小于80%
D.小于100%
Timmy was only 11 years old, but he is already 1.7 meters tall. He is too tall __________ his age, I think.
A.at
B.in
C.about
D.for