单项选择题

A．The local Africans are peace-loving people.
B．Soda bottles are very precious in some remote areas.
C．A trivial thing may sometimes bring about undesirable consequences.
D．Caution must be taken in introducing new technology.
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单项选择题
A．He earns less than $15,000 a year.B．He’s looking for a full-time job.C．He thinks his rent is too high.D．He plans to go back to graduate school.
A．He earns less than $15,000 a year.
B．He’s looking for a full-time job.
C．He thinks his rent is too high.
D．He plans to go back to graduate school.
单项选择题
A．＄120.B．＄108.C．＄90.D．＄40.
A．＄120.
B．＄108.
C．＄90.
D．＄40.
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