单项选择题

One of the reasons why men invented certain sounds to express thoughts and actions is that （）

A．they could agree upon certain signs
B．they could write them down
C．they could communicate with each other
D．they could combine them

<上一题目录下一题>

热门试题

单项选择题

Which of the following statements is true（）

A．The more we read and learn, the more ignorant we are.
B．The more we read and learn, the more confused we are.
C．The more we read and learn, the more learned we are.
D．The more we read and learn, the more snobbish we become.

单项选择题

In general, the amount that a student spends for housing should be held to one-fifth of the total ______ for living expenses,

A．acceptable
B．available
C．advisable
D．applicable