( )在本质上属于现货交易，是现货交易在时间上的延伸。
A．分期付款交易
B．即期交易
C．期货交易
D．远期交易
参考答案：D
____ I know, the Chinese team got 51 gold medals in the 29th Olympics.
A．As far as
B．As well as
C．As long as
D．As much as
驾驶机动车下坡使用缓速器可以完全代替行车制动装置。
