单项选择题

He was busy writing the essay all the morning, only ______occasionally to have a cup of te

A．A. breaking offB. breaking outC. breakingD. breaking away
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单项选择题
Hydrogeology is the study of water and its properties, including its ______and movement in and through land areas.
A．flow
B．absorption
C．distribution
D．evaporation
单项选择题
Although the speaker was a well-known personality, his speech was poorly______.
A．raised
B．delivered
C．lectured
D．preached
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