暴发调查中常用的测量指标是（）. A.发病率 B.患病率 C.病死率 D.死亡率 E
题型：单项选择题
问题：
暴发调查中常用的测量指标是（）.
A.发病率
B.患病率
C.病死率
D.死亡率
E.罹患率
题型：单项选择题
| 选用所给句子完成对话。 | |
| A: 1 What did you do today? B: We planted trees just now. A: Oh, I have remembered. 2  where did you work?B: At the foot of the hill. A: The one on the other side of the river. B: How did you get there? B: On foot. 3 . A: But what made your clothes so dirty? B: I fell into the river when I was carrying some water. A: Bad luck! You’d better go to see a doctor B: 4 The river isn’t deep and only my shoes are wet through. A: 5 . B: Thanks a lot. I’ll  do.
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