单项选择题

Some other illnesses may exhibit symptoms similar to those of flu and anthrax.

A． Right
B． Wrong
C． Not mentioned
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单项选择题
It is not easy to tell anthrax from flu in the early days of the infection.
A． Right
B． Wrong
C． Not mentioned
单项选择题
Quite a few New Yorkers took their mayor's recent advice and got a flu shot.
A． Right
B． Wrong
C． Not mentioned
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