当前影响黄金价格的因素包括（）。
A.战争因素
B.供需情况
C.利率水平
D.通货膨胀
E.美元走势
参考答案：B, C, D
Boys and girls, I have _________ to tell you.
A．nothing interesting
B．interesting something
C．interesting anything
D．something interesting
Can you tell us what horses _______?
A．feed on
B．live on
C．feed by
D．live by
