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第一部分内容摘要：

for a while. But what if one of your customers avoids making eye contact with you? Do you still speak to her? Probably not. By not looking at you, she has told you that she doesn’t want to talk to you. Body language can help you decide whether a person is telling the truth or not. If a person covers his or her mouth with his or her hand, or if he or she puts his/her finger over his / her mouth, he or she may be lying. If the person you are talking to touches his or her ears or neck, this is also a sign that he or she may not be telling you the truth. How can you tell if the person you are talking to is interested in what you are saying? Watching his Part 2 or her body language will give you a good idea. Someone who is interested will lean forward in their seat and will look at you when you are speaking. They may also nod their head to show that they are listening and agree with what you are saying. Situation 3 : An old and sick person is on a crowded bus and wants to sit down. O= Old person。 P = Passenger O: Oh my, this bus is crowded. Excuse me, could you please help me with this bag? P: Certainly. There you are. Here, please take my seat, you look a bit tired. O: Thank you.。