单项选择题


A．hunger
B．flood
C．insect pest
D．natural disaster
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单项选择题
A．toB．asC．forD．with
A．to
B．as
C．for
D．with
单项选择题
A．beforeB．afterC．no sooner thanD．as soon as
A．before
B．after
C．no sooner than
D．as soon as
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