参观博物馆、教堂、艺术教堂、体育美术场馆时，（）随意触摸展品。
A.尽可能
B.可以
C.在无人看管时
D.不可以
参考答案：D
Can you tell me _________________ last night?
A．what was the matter outside
B．what was matter outside
C．what the matter was outside
D．what is wrong outside
湿性坏疽的表现特征中包括（）。
A.四肢末端最为常见
B.腐败菌的感染一般较轻
C.常发生于肺、子宫、阑尾等内脏
D.坏死组织内产生大量气体
E.坏死组织与健康组织分界明显
