（）属于外部激励。
A.工作挑战性
B.自我实现
C.参与感
D.福利待遇
参考答案：D
After Marco Polo came to China, he became friends with ________ Chinese emperor of _________ Yuan Dynasty named Kublai Khan.
A．an; the
B．a; the
C．the; a
D．a; a
财务公司已发行、尚未兑付的金融债券总额不得超过其净资产总额的( )。
A．10% B．30%C．50%D．100%
