善治经络风痰的药物为()。
A.半夏
B.天南星
C.旋覆花
D.白芥子
E.皂荚
参考答案:D
As we all know, the generation ____ makes it difficult for parents to understand their children's opinions. [ ]
A. division
B. gap
C. separation
D. interval
下列( )不是计算机病毒的特征。
A.传染性
B.可激发性
C.潜伏性
D.复制性