颅脑外伤侧位平片显示鼻咽腔顶软组织肿胀常提示（）
A.前颅窝骨折
B.中颅窝骨折
C.后颅窝骨折
D.额骨骨折
E.斜坡骨折
参考答案：B
—_____ is it from our school to Beijing Road?
—About half an hour's bus ride. Shall we go and visit it? [ ]
A. How long
B. How often
C. How far
D. How much
胃肠绞痛病人可选用
A．毛果芸香碱B．新斯的明C．氯解磷定D．阿托品E．异丙肾上腺素
