He was so helpful that we ____ him as direct.[ ]
A. chose
B. found
C. elected
D. put
答案:C
男性,43岁。身热,微恶风,汗少,肢体疫重,头昏重胀而痛,心烦口渴,胸闷恶心,小便短赤,舌苔薄黄腻,脉濡数。
若暑热偏盛者,酌加().
A.黄连
B.藿香
C.白豆蔻
D.六一散
E.黄豆卷
简述秦汉(包括秦汉)以后促使越族与中原文化同化的五次事件。