下列关于病因的陈述哪项最准确() A.致病因子 B.不良心理行为因素 C.有害物质

题型:单项选择题

问题:

下列关于病因的陈述哪项最准确()

A.致病因子

B.不良心理行为因素

C.有害物质

D.病原微生物

E.所有可以导致人群发病率升高的因素

考点:卫生管理(医学高级)流行病学流行病学题库
题型:单项选择题

根据上下文和所给的首字母写出正确的单词。

     Yao Ming is a famous basketball p______. He was b______ in Shanghai in 1980. He is as t______ as 2.26

metres. His parents are b______ tall. He plays basketball f______ Houston Rockets in the USA. Now more and

more Americans begin to like him. They think he plays very w_______. 

     He usually likes w______ sports clothes. When he has time, he e______ playing computer games and

listening to music. He loves animals. He likes dogs b_______. His f_______ food is sausage and tomatoes.

题型:单项选择题

法国作家杜马在俄国旅行时,来到一个城市,决定参观城里最大的书店。书店老板听说作家要来,便把所有书架都摆上了杜马的书,让杜马高兴。杜马走进书店看了看,问:“其他作家的书呢”老板说:“都……卖完了。”这则笑话说的是( )。

A.杜马的书无人买

B.老板的慌张,无准备

C.老板的回答与他的愿望相反

D.老板讽刺杜马的书卖不出去

题型:单项选择题

数据流图的类型有 【3】 和事务型。

题型:单项选择题

凡士林应使用什么方法灭菌()

A.湿热

B.滤过

C.干热空气

D.紫外线

E.环氧乙烷

题型:单项选择题

制备万氏牛黄清心丸时,每100g粉末应加炼蜜

A.200g

B.110g

C.140g

D.50g

E.80g

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