人民银行经理国库的优越性主要表现在：（）
A、库款调拨灵活，资金安全，核算准确
B、有利于中央银行的宏观调控和国库监督作用的发挥
C、以上都是
参考答案：C
---I’ll try harder next time.
---You have said it one hundred times. But _____.
A．the early bird catches the worm
B．a friend in need is a friend indeed
C．you can’t burn the candle at both ends.
D．actions speak louder than words
氧疗对哪型缺氧效果最好()
A．血液性缺氧
B．低张性缺氧
C．循环性缺氧
D．组织性缺氧
E．混合性缺氧
