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A lower B higher C normal D proper

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The president spoke at the business meeting for nearly an hour without ______ his notes.

A. bringing up B. referring to C. looking for D. trying on

下图所示消能方式属于()消能。

A. 底流
B. 挑流
C. 面流
D. 消力戽

The Government will shut down cigarette factories in large numbers.

A. Right
B. Wrong
C. Not mentioned

A)improving B)increasing C)raising D)decreasing

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