计算机中所有的信息的存储都采用（）。
A.二进制
B.八进制
C.十进制
D.十六进制
参考答案：A
In the spoken English of some areas in the US，the “r”sounds at the end of the words________.
A．are dropped
B．drop
C．are being dropped
D．have dropped
最惠国待遇
