A. Mr. Kadirgamar was dead at home. B. Mr. Kadirgamar was shot in the head. C. Mr. Kadirgamar was an important figure in the government. D. The Tamil Tiger rebels are the main suspects. 参考答案:A
第16题: [单项选择]男性,28岁。一天前出现发热,恶心呕吐,腹泻7次,伴里急后重。便培养示志贺痢疾杆菌生长。其腹泻的发生机制是() A. 肠黏膜的吸收面积减少或吸收障碍 B. 黏膜炎症、溃疡等致血浆、黏液、脓血渗出 C. 肠蠕动亢进致肠内食糜停留时间少 D. 胃肠黏膜分泌过多的液体 E. 肠内容物渗透压增高 参考答案:B 答案解析:志贺氏菌引起的感染,限于胃肠道,很少侵入血液。志贺菌附着在肠上皮细胞,破坏肠黏膜而造成溃疡,进而导致血浆、黏液、脓血渗出。