<正> 1.What is that which never existed and still has a name?有名无实。2.I am something that never asks any questions but demand a greatmany answers.What am I?举手一按,有求必应。3.Use me well,I’m everybody;cratch my back,and I am nobody.Whatam I?真心相待,我能七十二变;刮我脊梁,纵有神通难显。