单项选择题

A．A flood wall was built.
B．Rescue teams were formed.
C．An alarm system was set up.
D．50 underground stations were made waterproof.
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单项选择题
A．Because we fail to listen carefully when they talk.B．Because people tend to be annoyed when we check what they say.C．Because people usually state one thing but means another.D．Because we tend to doubt what our friends say.
A．Because we fail to listen carefully when they talk.
B．Because people tend to be annoyed when we check what they say.
C．Because people usually state one thing but means another.
D．Because we tend to doubt what our friends say.
单项选择题
According to the passage, an unlabeled use of a drug is any use that ______.
A．has been reviewed by the FDA and specifically rejected
B．is medically beneficial despite the fact that such use is prohibited by law
C．is made in experiments designed to determine whether a drug is medically beneficial
D．has medical value but has not yet been approved by FDA for inclusion as a labeled use
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