新产品设计不包括( )。
A.初步设计
B.技术设计
C.质量设计
D.工作图设计
参考答案:C
We had a picnic last term and it was a lot of fun, so let’s have _______ one this month.
A.the other
B.some
C.another
D.other
ISDN基群接口的信道结构为30B+D,D信道的传输速率为()