问题
单项选择题
关于病原携带者的论述，正确的是？（）
A.所有的传染病均有病原携带者
B.病原携带者不是重要的传染源
C.发生于临床症状之前者称为健康携带者
D.病原携带者不显出临床症状而能排出病原体
E.处于潜伏性感染状者就是病原携带者
答案
参考答案：B
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关于病原携带者的论述，正确的是？（）
A.所有的传染病均有病原携带者
B.病原携带者不是重要的传染源
C.发生于临床症状之前者称为健康携带者
D.病原携带者不显出临床症状而能排出病原体
E.处于潜伏性感染状者就是病原携带者
参考答案：B
| 任务阅读。阅读短文，根据短文内容完成表格。 | ||||||||||||||
| Mary is a student in a nursing school. She is going to graduate next month. She has two job offers. One is in a city hospital, and other is in a country hospital. The hospital in the city is large. It's a 6-bed hospital. It's a caner hospital. It gives excellent care to its patients. It's in a big city, near museums, theaters and restaurants. The salary is high, $1700 a month. But apartment rents are high, too. The hospital in the country is small. It's a 50-bed hospital. It's a general hospital. It takes care of all kinds of patents. It's in a beautiful area, near lakes, rivers and mountains. The salary is average, $1400 a year. But apartment rents are low. Mary likes the city and the country. She doesn't know which hospital to choose. | ||||||||||||||
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