单项选择题

Which is true about words

A．They are used to express thoughts only.
B．They can be spoken, but can not be written down.
C．They are simply sounds.
D．They are not completely known to the world.

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热门试题

单项选择题

Which of the following sentences is true according the passage

A．The more we read and learn, the more learned we will become.
B．The more we read and learn, the more confused we will grow.
C．The more we read and learn, the more honorable we will be.
D．The more we read and learn, the more numbers we know.

单项选择题

______ men invented certain sounds to express thoughts and actions.

A．Because they wanted to agree on certain signs
B．As they needed to write them down
C．Since they wanted to communicate with each other
D．Now that they could combine them