反复使用吗啡可产生
A．耐受性
B．精神依赖性
C．躯体依赖性
D．高敏性
E．特异质反应
参考答案：A, B, C
解析：
阿片类药物特点
关于椎管描述正确的是()
A．椎管是一纤维管道
B．由椎骨的椎孔和骶骨的骶管组成
C．前壁由椎体后缘、椎间盘后缘和黄韧带组成
D．后壁为椎弓板、后纵韧带和关节突关节
E．侧壁有椎弓根
–What do you think of the bottled water?
--I don’t like it at all. It is reported that much nutrition, including some minerals, _____ while it is being processed.
A．are ridded of
B．are gotten rid of
C．gets rid of
D．is ridded of
