以下哪项为上颌窦窦口开口处（）。
A.上颌窦前侧壁
B.上颌窦后外壁
C.上颌窦上壁
D.上颌窦底壁
E.上颌窦内侧壁
参考答案：E
The young man wouldn't listen to our repeated request that he ____ devote himself to his mother. [ ]
A. should
B. could
C. might
D. would
不属于急性化脓性胆管炎的典型临床表现的是（）
A.腹痛伴发热
B.腹痛伴黄疸
C.腹痛伴休克
D.腹痛伴神志改变
E.腹痛伴腹胀
