单项选择题

A．Whether global warming will speed up in the future.
B．Whether it will lead to widespread food shortage.
C．Whether it can be detected and checked.
D．Whether it will affect their own lives.
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单项选择题
The phrase emanate from in Paragraph 1 most probably means ______ .
A．thrive on
B．originate from
C．account for
D．descend from
单项选择题
A．A victim.B．A police detective.C．A robber.D．A pet bird.
A．A victim.
B．A police detective.
C．A robber.
D．A pet bird.
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