单项选择题

If nothing is done to protect the environment, millions of species that are alive today will have become______.

A．deteriorated
B．degenerated
C．suppressed
D．extinct
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单项选择题
Their diplomatic principles completely laid bare their______for world conquest.
A．admiration
B．ambition
C．administration
D．orientation
单项选择题
The law on drinking and driving is______stated.
A．extravagantly
B．empirically
C．exceptionally
D．explicitly
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