单项选择题

______the weather improves, we will suffer a huge loss in the tourist industry.

A．As
B．Since
C．While
D．Unless
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单项选择题
The best title for the passage might be（）.

A．How to Take Care of Your Boss
B．How to Get Along with Your Boss
C．How to Accept Your Boss’s Criticism
D．How to Accomplish Your Boss’s Objective
单项选择题
The most important factor for establishing a good working relationship with the boss is（）.

A．high expectations
B．quick feedback
C．frequent criticism
D．effective communication
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