该头颅MRI摄片提示()
A．小脑扁桃体肿瘤
B．扁平颅底
C．Arnold-Chiari畸形
D．寰枕融合
E．无脑畸形
参考答案：C
The room _____, but now it's dirty again. [ ]
A. was cleaned
B. is cleaned
C. cleaned
D. cleans
“实”的病机概念是
A．气滞血瘀，瘀阻脉络
B．水湿贮留，痰饮壅盛
C．宿食内停，腑气不通
D．邪气亢盛，正气未衰
E．脏腑失调，气机阻滞
