湿热痹阻经络所致肢体、关节红肿疼痛、屈伸不利，宜选用
A．羚羊角B．地龙C．天麻D．赭石E．龙骨
参考答案：B
The injured man _______ to hospital by a driver yesterday. [ ]
A. takes
B. took
C. is taken
D. was taken
肥达反应的原理是（）。
A.直接凝集
B.间接凝集
C.间接凝集抑制试验
D.沉淀反应
E.补体结合
