问题 单项选择题 A1/A2型题

引起产褥感染的外源性感染最常见病原菌是()

A.β溶血性链球菌

B.厌氧链球菌

C.大肠杆菌

D.葡萄球菌

E.支原体衣原体

答案

参考答案:A

解析:需氧性链球菌是外源性感染的主要致病菌,其中β溶血性链球菌致病能力最强,与产褥感染关系密切,可引起严重感染。

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     Some children wish to be writers some day. It means that they want to    1   stories or books for people to   2   . That's nice! It’s    3   to write something for people! But they should    4   that they need to be good readers   5    
before they are really good writers. They should read a lot of books, and
read     6   hours every day. They cannot spend much time watching TV or
playing games when they are     7   .    
     If you are a good reader, it doesn't     8     you a long time to do the
reading. Then you  have time to read many other    9     for fun.    
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read andread more and more! "
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