题目内容：
某病发病率水平超过该地一定历史条件下的流行水平，迅速蔓延跨省、国家、洲界，称为
参考答案：
答案解析：
单选题：某病发病率水平超过该地一定历史条件下的流行水平，迅速蔓延跨省、国家、洲界，称为
- 题目分类：公卫助理医师
- 题目类型：单选题
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What is the best title for the passage?
What is the best title for the passage?
What is the purpose of the author in writing the passage?
What is the purpose of the author in writing the passage?
2007年，我国教育经费的支出占国家财政支出的比例约为（ ）。
2007年，我国教育经费的支出占国家财政支出的比例约为（ ）。
The early railroads were connected short lines in the existi
The early railroads were connected short lines in the existing arteries of trans
The gibbon ranges over an area wider than do the other apes.
The gibbon ranges over an area wider than do the other apes.