CBA的中文名称是( )。A．中国银行业协会B．中国银行协会C．中国银行业公会D．

一般来说，缺口愈宽，运动的动力愈小；反之，则愈大。( )

As a young man, Comrade Zhou Enlai _____ the students movements and later _____ the Communist

Party of China. [ ]

A. joined; took part in

B. took part in; joined

C. joined in; took part in

D. took part in; joined in

其主要的情绪反应是

A．焦虑

B．恐惧

C．愤怒

D．抑郁

E．痛苦

简述有限空间事故发生的原因。

下列分组中按品质标志分组的是（）

A、企业按固定资产原值分组

B、产品按质量优劣分组

C、人口按年龄分组

D、乡镇按工业产值分组