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                题目内容
                (河北工业大学大学英语)
            
            
                What.s the best title of this passage?(   )
A. Saying goodbye B. Touching people C. Looking at people D. communicating politely
                    
                    
                    
                
                
                
            
        A. Saying goodbye B. Touching people C. Looking at people D. communicating politely
参考答案