题目内容

The disappearance of hotels, houses and gardens will soon become a problem for people living in central England.

A. Right
B. Wrong
C. Not mentioned

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配电箱按用途分,可分为()。

皮带运输机常用()来支撑。

惯性除尘器的性能主要取决于()。

【B19】

A. comfortable
B. comfortably
C. comfort
D. uncomfortable

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