经发票人同意,可以更换作业组成员。
参考答案:对
There _______a “helping hands ” meeting _______ the afternoon ______May 1.
A.will be, in, of
B.has, on, of
C.is going to have, on, of
D.is going to be, on, of
GB/T15496是总要求,规定了企业标准体系的组成和通用性要求。