目前,全国大约共有光荣院多少所( )
A.1000多所
B.100多所
C.1万多所
D.500多所
E.5000多所
参考答案:A
The receiving activities conduct analyses of the requirements with the requirements provider to ensure that a compatible, shared understanding is reached on the meaning of the requirements. The result of this analysis and dialog is an set of requirements. A. agreed-to B. agree-to C. agree-to-do D. agree-with
任何一种化学热处理元素渗入的三个基本过程是(),(),()。