硬膜外麻醉的禁忌证是（）
A.胸部手术
B.中度贫血
C.泌尿系统感染
D.凝血机制障碍者
E.急性腹膜炎
参考答案：D
Jack doesn’t look ___ his father, but he walks ___ his father does.
A．as; as
B．as; like
C．like; likes
D．like; as
佛陀于多劫中思维观察，发现什么法才是对众生最有利的？为什么？
