单项选择题

Many apartments have doors with a security window so that one may ________ outside and observe visitors without being seen.

A．peer
B．peek
C．peel
D．pile
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单项选择题
International ______ will be reduced when this agreement is signed.
A．trend
B．twist
C．trail
D．tension
单项选择题
Although Asian countries are generally more ______ in social customs than Western countries, there have been several notable examples of women leaders in both China and India.
A．conservative
B．confidential
C．complicated
D．contended
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