临床上使用中药时除了要充分而合理的利用中药的治疗作用，还应该掌握的原则是
A. 尽量少用有毒中药
B. 尽量避免不良反应的发生
C. 药物配伍要简单
D. 药物用量要尽可能的小
E. 尽量少用贵重药
下列为痹证通用药，但风湿热痹者最宜用
A. 木瓜
B. 独活
C. 防己
D. 秦艽
E. 徐长卿
Why is （）you are so late for class
A. that it
B. it be
C. it that
D. that
There is no（）that women are playing an important role in the world today.
A. of deny
B. to denying
C. denying
D. of denying
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