主要抑制纹状体内ACh活性，对震颤疗效较好（）
A.司来吉兰
B.金刚烷胺
C.复方左旋多巴
D.溴隐亭
E.神经节苷脂
参考答案：B
男，16岁，摔倒后左膝关节逐渐肿大，关节腔抽出血性积液，最重要的检查是（）
A.血常规
B.BT
C.APTT
D.PT
E.PAlg
Everybody needs calcium, but it is quite possible for a similar person to be totally healthy by eating only________.
A．as half much
B．as much half
C．half as much as
D．half as much
