承兑是各种票据都有的一种票据行为。
参考答案：错
解析： 承兑指汇票付款人承诺在汇票到期日支付汇票金额的票据行为，是汇票所独有的票据行为。
2009年三位科学家万卡特拉曼·莱马克里斯南、托马斯·施泰茨和阿达·尤纳斯因为“核糖体的结构和功能”的研究而获得该年的诺贝尔化学奖。核糖体含有的元素除氮、磷等元素外，一定含有的元素是[ ]
A．C、H、O
B．C、Fe、H
C．C、H、Na
D．H、O、K
Four years ago, quitting the artistic director of American Ballet Theatre, Baryshnikov found the White Oak Dance Project.
A. have quit as was founding B. having quit as had foundedC. being quit as founded D. having quit as founded
