单项选择题

This substance reacts（）that one.

A．three times as fast as
B．as three times fast as
C．as fast as three times
D．three times as fast as

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单项选择题
The chairman（）a question for discussion.

A．aroused
B．raised
C．arose
D．rose
单项选择题
It（）me of the village where we spent our holidays last summer.

A．remembers
B．recalls
C．reminds
D．relies.
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