单项选择题

A．50 underground stations were made waterproof.
B．A flood wall was built.
C．An alarm system was set up.
D．Rescue teams were formed.
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单项选择题
A．Trying to persuade the woman to vote for him.B．Running for chairman of the student union.C．Choosing a campaign manager.D．Selecting the best candidate.
A．Trying to persuade the woman to vote for him.
B．Running for chairman of the student union.
C．Choosing a campaign manager.
D．Selecting the best candidate.
单项选择题
A．She is from Wyoming.B．She needs the money.C．She has been studying animal diseases.D．Her thesis adviser is heading the project.
A．She is from Wyoming.
B．She needs the money.
C．She has been studying animal diseases.
D．Her thesis adviser is heading the project.
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