一4岁女孩在随母亲旅游中，吃小店卖的水果沙拉，回家3天后，出现严重腹部痉挛痛，大便次数不断增加，且多次血便，伴发烧，呕吐，到医院急诊，检查有溶血性贫血及血小板减少等溶血性尿毒综合征，你判断可能的细菌感染是（）
A.伤寒沙门菌
B.鲍氏志贺菌
C.肠出血性大肠埃希菌
D.嗜盐性弧菌
E.霍乱弧菌
参考答案：C
解析：肠出血性大肠埃希菌感染只要表现为腹痛、水泻、接着为血性便，多发热，主要见于婴幼儿，以暴发流行为主。
| 完形填空。 | |||
| In many big cities, there are usually more than one underground line (地铁线). The fastest way 1 in a city is by subway. How to travel by subway? Do you know? Here is some information 2 before you travel by subway. First, you should 3 the right line. If you don't, you will have to 4 and take another one. Second, you need some coins 5 your ticket, because 6 the machines which sell tickets only accept coins. Coins can be changed next to the ticket machines. Or you can go to the ticket office 7 some. 8 you have a prepaid card, you can just go ahead. After you have bought the 9 , you should wait for your subway outside the yellow line. You 10 walk too close to the yellow line. It's dangerous. | |||
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