经银行承兑的汇票可以流通，受益人可以随时通过( )，取得资金融通。
A．贴现B．保兑C．议付D．背书
参考答案：A
What does the speaker mean a. Mary sings the best in her grade. b. The speaker has no idea whether Mary sings well. c. Mary’s singing skills are inferior to a lot of her classmates. d. Mary’s singing skills rank the second in her class.
通脉四逆汤1功效与作用
