脚手架的拆除作业可以由上而下逐层进行,也可以先拆除连墙件。()
参考答案:对
The child asked his mother _______ go out to play tennis.
A.that he could
B.if he could
C.if could he
D.that could he
经非手术治疗1天,出现皮肤巩膜黄染。查体:体温38.5℃,右上腹深压痛、反跳痛,肌紧张(±),此时可诊断为
A.急性坏死性胰腺炎
B.十二指肠溃疡穿孔并弥漫性腹膜炎
C.暴发性肝炎
D.急性胆囊炎
E.急性梗阻性化脓性胆管炎