协调的类型可分为（）
A.制度性协调
B.沟通性协调
C.利益性协调
D.常规性协调
E.临时性协调
参考答案：A, B, C
This is the second factory, ______ I used to work, many workers of______ still have a good relationship with me.
A．where, which
B．that, whom
C．which, which
D．that, which
收入差距缩小，（）人口比重上升。
A.中等收入
B.高等收入
C.极高收入
D.低等收入
