心理应付技术模式的理论核心为()
A.强调认知因素也强调行为因素
B.强调可观察到的行为
C.强调认知因素
D.强调阶段性
E.强调整体性
参考答案:A
I've become good friends with several of the students in my school _____ I met in the English speech contest
last year. [ ]
A. who
B. where
C. when
D. which
在股票市场大幅下滑期间,股票债券的相关系数为()
A.正相关
B.负相关
C.正负相关