题目

Please go _________the ship quickly. There is only fifteen minutes left. A. on the board             B. to aboard           C. on aboard        D. Aboard 答案：D下列关于ATP的叙述，正确的是A．A代表腺嘌呤脱氧核苷B．ATP中的糖是五碳糖C．ATP的结构简式可表示为A—P—P〜PD．细胞生命活动均需ATP直接供能