单项选择题

The word "piecemeal'(Line 5, Para. 2).can be best replaced by "______".

A．a part
B．gradually
C．a piece
D．immediately
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单项选择题
Brazil adopted new entry procedures in order to ______.
A．make sure of the security in the airport terminals
B．take a photograph for each U.S. citizen as remembrance
C．reply for the new security measures U.S. carried out
D．attract more tourists for its advanced examination technology
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