关于个体身心发展的动因有几种不同的观点:内发论、外铄论、多因素相互作用论。
参考答案:对
.It was in the 1990s _______ we were working together ____ we made friends with each other.
A.that; when
B.when; that
C.that; that
D.when; when
专职保密工作人员2人以上的,应当配备1名保密技术管理人员。()