关于颈椎损伤最好的检查方法是（）
A.触诊
B.CT检查
C.MRI检查
D.X线检查
E.彩色多普勒超声
参考答案：D
均衡价格论是由（）提出的。
A.马歇尔
B.希克斯
C.亚当·斯密
D.瓦尔拉
–Pardon? I didn’t hear you just now.
–I asked .
A．that Michelle Obama came to China in March
B．how long did Michelle Obama stay in China
C．when did Michelle Obama visit Chengdu
D．who Michelle Obama came to China with
