急性阑尾炎最严重的并发症是（）
A.阑尾穿孔腹膜炎
B.门静脉炎
C.膈下脓肿
D.盆腔脓肿
E.肠间脓肿
参考答案：B
根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。
小题1:It is well known to everyone that one fifth is eight (四十).
小题2:Have you thought of a useful way to solve it after __________ (考虑) the problem for 3 days?
小题3:I don’t like that I’m often ______________ (比较)with my classmates by my mother.
小题4:Is it true that the robot can do ______________(无论什么) it is asked to?
鉴别血尿与血红蛋白尿的主要手段是
A．尿潜血检查B．尿三杯试验C．尿胆原D．血尿颜色E．尿沉渣检查
