单项选择题

The principal duty of the United Nations is to safeguard the peace of the world.

A．primary
B．prime
C．privileged
D．precedent
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单项选择题
This style of writing, incidentally, is suggestive of what is called the newsreel technique of John Dos Passos.
A．reminiscent
B．collective
C．forgettable
D．advisable
单项选择题
Through the discussion they gained an extraordinary insight into the complexity of women's emotions.
A．cleverness of
B．knowledge of
C．prediction of
D．perception of
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