单项选择题

Tom could hardly （）his excitement as he knew that he had made a real discovery

A. conceal
B. reveal
C. show
D. discover

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单项选择题
In Britain people（）four million tons of potatoes every year.

A. swallow
B. dispose
C. consume
D. exhaust
单项选择题
Communicating orally involves more than reading or talking: gesture, posture, movements may all be ______ to it.
A. intrinsic
B. coherent
C. appealing
D. submissive
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