生命活动中能量的直接供体是（）。
A．三磷酸腺苷
B．脂肪酸
C．氨基酸
D．磷酸肌酸
E．葡萄糖
参考答案：A
He _____ for ten years but still doesn't want to leave office. [ ]
A. has been in power
B. has come to power
C. took office
D. came to power
现金漏损率与存款派生倍数呈正比关系，超额准备金与存款派生倍数呈反比关系（）。
