下列______是汇票出票时的任意记载事项。( )
A．出票地 B．付款地C．付款日期 D．禁止转让文句
参考答案：D
—Could you tell me ?
—I’m confident and creative.[ ]
A. how are you
B. what you are like
C. what are you like
D. how you are
举例说明锅炉设备上，哪些部件对抗氧化性和耐腐性有一定要求？
