单项选择题

A．

B．

C．

D．

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单项选择题

改革过程中出现经济多样化的发展，这就要求政治的多元化与此相配合。（）

A.正确
B.错误

单项选择题

What does the author compare to cellphones in this passage?
A、The author compares companies to cellphones.
B、The author compares engineers to cellphones.
C、The author compares computers to cellphones.
D、The author compares cellular networks to cellphones. 无解析