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问题
单项选择题 A1/A2型题
下颌神经经哪儿出颅（）
A.圆孔
B.卵圆孔
C.眶下裂
D.棘孔
E.茎乳孔
答案
参考答案：
B
选择题
A tsunami (海啸) _____ in some southern Asian countries in December, 2004. _____ homeless people had to stay in the open air.
A. has happened; Thousands of
B. happened; Thousands of
C. has happened; About twelve thousand of
D. happened; Twelve thousands
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单项选择题
肩关节脱位易发生于
A．后脱位
B．下脱位
C．盂上脱位
D．前脱位
E．盂下脱位
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