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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】坏疽性及穿孔性阑尾炎为
A.
血压升高，黏膜和黏膜下层出现感染性炎症，渐向肌层和浆膜扩散
B.
阑尾各层均有水肿和中性粒细胞浸润、黏膜表面有小溃疡和出血点
C.
阑尾肿胀明显，浆膜高度充血，有脓性渗出物附着
D.
大网膜移至右下腹部，将阑尾包裹并形成粘连，出现炎性肿块
E.
阑尾管壁坏死或部分坏死，呈暗紫色或黑色
【单选题】异位阑尾炎有（）。
A.
大网膜不易包裹，穿孔率高
B.
症状、体征与病理改变往往不一致
C.
压痛位置高
D.
阵发性绞痛，间歇期不痛，局部无体征
E.
压痛可在任何部位
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
He fell ill and couldn't go home as scheduled.
B.
He didn't buy travel insurance.
C.
He spent a lot of money on curing his illness.
D.
He couldn't get in touch with his family and friends.