Which question can you ask when you meet your customer at the airport for the first time?
A. How old are you?
B. Are you married?
C. Did you have a pleasant trip?
Do you have a girlfriend?
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How to answer: It is no good, I’m afraid. It is crowded and noisy. I can not sleep well all night.
A. That’s amazing!
B. I’m sorry to hear that.
C. That sounds interesting.
D. What a coincidence!
What questions can be used for small talk?
A. How was your trip?
B. How is the hotel?
C. Do you play any sports?
D. Have you ever been here before?
What are regarded as impolite topics?
A. Health
B. Salary
C. Personal gossip
D. topics without real meaning
流动镶嵌模型是目前得到大家公认的细胞膜结构模型，体现了细胞膜_________ 和_________ 的特点。
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