单项选择题

There are three types of volcanoes: active volcanoes, dormant volcanoes and _________ volca- noes.

A．extinguished
B．extinct
C．distinct
D．instinctive
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单项选择题
A．excludedB．includedC．excludingD．including
A．excluded
B．included
C．excluding
D．including
单项选择题
A．estimatedB．assessedC．measuredD．surveyed
A．estimated
B．assessed
C．measured
D．surveyed
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