单项选择题

A new crater, which was to the south of the old one, was formed after the second eruption.

A． Right
B． Wrong
C． Not mentioned
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单项选择题
The quakes recorded during the first week of April in the area of Mount Saint Helens warned scientists of a new eruption.
A． Right
B． Wrong
C． Not mentioned
单项选择题
Her mood can be gauged by her reaction to the most trivial of incidents.
A．displayed
B．shown
C．proved
D．assessed
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