确诊最有价值、最安全、快捷的辅助检查是
A.头颅X线平片
B.头颅B超
C.腰穿
D.颅脑CT扫描
E.TCD
参考答案:D
Can you ______ me how to______ that in Chinese?[ ]
A. speak; say
B. talk; speak
C. tell; say
D. speak; talk
掌持国旗的姿势为端旗。