Conversation One． 听材料，回答下列问题：
A. To go sightseeing.
B. To have meetings.
C. To promote a new champagne.
D. To join in a training program,
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What does the author intend to say by the example in the second paragraph？
A. Some customers simply show no respect to those who serve them.
B. People absorbed in a phone conversation tend to be absent-minded.
C. Waitresses are often treated by customers as casual acquaintances.
D. Some customers like to make loud complaints for no reason at all.
A.Allowing them to choose their favorite teachers.B.Creating a more relaxed lear
Allowing them to choose their favorite teachers.
B. Creating a more relaxed learning environment.
C. Rewarding excellent academic performance.
D. Helping them to develop better study habits.
根据下列短文，回答下列各题。 You hear the refrain all the time: the U.S. economy looks good
A. Why statistics dont tell the truth about the economy.
B. Why affluence doesnt guarantee happiness.
C. How happiness can be promoted today.
D. What lies behind an economic boom.
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