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问题 单项选择题 A1/A2型题

鼻窦及乳突积液常见于（）

A.颅盖骨骨折

B.颅底骨骨折

C.颅内压增高

D.脑积水

E.鼻窦炎

答案

参考答案：B

选择题
Ten months has passed, but Chinese people still remember those exciting days ______ they spent during the Beijing 2008 Olympic Games.

A. that
B. who
C. when
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单项选择题

要在所有视口中以明暗方式显示选择的对象，需要使用哪个命令（）。

A.Views/Show Selected

B.Views/Show Transform Gizmo

C.Views/Show Background

D.Views/Show Key Times
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