当人处在群体中时，有时会作出平时不会作的破坏性行动，这是（）。
A．从众现象
B．社会干扰现象
C．去个体化现象
D．群体极化现象
参考答案：C
---I heard your grandpa used to be a teacher.
--- Yes. He was a math teacher ________.
A．on the 1950s
B．in the 1950s
C．at the 1950’s
D．in 1950’s
The light is out. Mr. Neat ___ to bed already.
A．may go
B．must go
C．must be going
D．must have gone
