颅骨（）
A.为23块不规则骨
B.脑颅骨只参与围成颅腔
C.面颅骨仅参与构成面颅
D.颅骨内的含气腔称鼻旁窦
E.鼻旁窦大部分位于面颅骨内
参考答案：C
Joe had changed so much that I could hardly ______ him at first in Shanghai Expo Garden. [ ]
A. remember
B. realize
C. recognize
D. ignore
玉屏风散与牡蛎散相同的功用是：（ ）
A．固表
B．涩肠
C．止遗
D．固冲
E．补肾注
