单项选择题

Cowries shells were once in widespread use as a token of value.

A．a symbol
B．an amount
C．a thing
D．an investment
<上一题 目录 下一题>
热门 试题

单项选择题
Attitudes on the two sides in the Revolutionary War precluded the possibility of a peaceful solution.
A．presaged
B．prejudiced
C．anticipated
D．prevented
单项选择题
Differences in positions adopted by oxygen and hydrogen atoms account for variations in the crystalline structure of different forms of ice.
A．are caused by
B．explain
C．derive from
D．constitute
相关试题