题目内容

In order to communicate with Americans satisfactorily, speakers of Chinese need to ______.

A. learn the language well
B. change their way of thinking
C. be careful about their choice of words
D. explain their reasons clearly

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债券一旦进入证券交易市场。其交易价格与票面价值是相一致的。()

A. 正确
B. 错误

【B20】

A. against
B. for
C. along
D. with

【B9】

A. amuse
B. amused
C. amusing
D. to amuse

The use of e-mail has made it possible for the writer to ______.

A. spend less time working
B. have more free time with his child
C. work at home on weekends
D. work at a speed comfortable to him

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