7（）

填空题6（）

填空题4（）

单项选择题According to the talk, workers in zones of quiet can（）

A．be more affected by noise.
B．hear talk from outside the zone.
C．work more efficiently.
D．be heard outside the zone.

单项选择题It can be assumed from the interview that an informal atmosphere might be found in（）

A．small firms.
B．major banks.
C．big corporations.
D．law offices.

填空题3（）