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Pre-listening activities（听前活动）While-listening activities （听中活动）Post-listening activities （听后活动）Give students some relative words or pictures.Or give them some important information about the conversation.Help them to know what is the main points are.Students listen carefully and catch the key points of the conversation.And get the information what we want.Students may role play the conversation. They may be divided into pairs to act out the conversation.