单项选择题

According to the passage, coins once had real value as currency because they ______.()

A. represented a great improvement over barter
B. permitted easy transportation of wealth
C. were made of precious metals
D. could become collector’ s items

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单项选择题

How did Ann feel after she had opened her eyes()

A. Very much pleased.
B. Very much frightened.
C. Greatly attracted.
D. Greatly surprised.

单项选择题

The writer seems to think that the teacher’ s judgement on that sensitive piece of writing is ()

A. reasonable
B. unfair
C. foolish
D. careless