大黄的鉴别特征是()
A.星点
B.菊花心
C.朱砂点
D.珍珠点
E.筋脉点
参考答案:A
解析:
黄芪有菊花心。苍术有朱砂点。大黄有星点。山参有珍珠点。龙胆有筋脉点。
Eighty-two people were reported______in the plane crash.
A.to have injured
B.to have been injured
C.injured
D.injuring
中毒性菌痢的发病主要是由于
A.感染了毒力强的志贺痢疾杆菌B.是机体对痢疾杆菌毒素的反应性较高所致C.机体免疫功能低下D.肠道病变过于严重