单项选择题

Mouthwashes are not an effective cure for bad breath mainly because ______.

A．they can't mask the bad odor long enough
B．they can't get to all the offending bacteria
C．their strong smell mixes with bad breath and makes it worse
D．they can't cover the thick layers of mucus

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单项选择题

The view point of the author is that ______.

A．the shock and stress of the employees can be eased by careful planning and preparation
B．downsizing in an ethical way is the responsibility of the companies
C．when one company takes downsizing, the well-being of employees should be considered as an important part
D．the communication between management and labor should be honest, timely, and effective

单项选择题

Which statement is NOT true according to the passage

A．The laid-off are certainly the only ones affected by the downsizing.
B．Some companies have found the ways to help their will-be laid-off employees.
C．In order to keep competitive, companies take a lot of measures, besides downsizing.
D．There are also the questions about the ethics of downsizing available.

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