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
That______ criminal was finally put to death.
A．notorious
B．irrespective
C．numerical
D．grim
单项选择题
When a part of a European nation is______ from the whole of it, and hurled outward to new soil, it loses the stimulus toward change that the whole provides.
A．diverged
B．recited
C．detached
D．reclaimed
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