如果投机者预测外汇汇率上涨,先买进期汇,等到汇率上涨后再卖出现汇的投机活动称为()。
A.做多头
B.做空头
C.买空
D.卖空
E.投机
参考答案:A, C
以上腧穴中,大肠的下合穴是()。
A.足三里
B.上巨虚
C.条口
D.下巨虚
E.丰隆
Some of the doctors are paid almost _____ as the nurses. [ ]
A. twice as much
B. much as twice
C. as much twice.
D. as twice much