外存储器既是计算机的输入设备,又是计算机的输出设备。 ( )
参考答案:对
解析: 外存储器既是计算机的输入设备,又是计算机的输出设备。
The pork price is expensive. I’ve got about half the amount I had at home and I’m paying here.
A.as three times much
B.as much three times
C.three times as much
D.much as three times
在波动压力下压力表的使用范围不应超过刻度极限()
A.60%
B.70%
C.80%