题目内容：
One thing necessary for discovering influenza outbreaks is____________
参考答案：
答案解析：
单选题：One thing necessary for discovering influenza outbreaks is__
- 题目分类：3级
- 题目类型：单选题
- 查看权限：VIP
The experiments in giving the virus to animals proved that t
The experiments in giving the virus to animals proved that this type of influenz
根据上面的材料，下列说法中正确的是（ ）。
根据上面的材料，下列说法中正确的是（ ）。
One interesting thing about the virus in the story was that
One interesting thing about the virus in the story was that it____________
He meant telling us about it, but he forgot to tell us．
He meant telling us about it, but he forgot to tell us．
在速度指标统计中，定基增长速度减去1(或100%)等于定基发展速度；而环比增长速度减去1(或100%)等于环比发展速度。
在速度指标统计中，定基增长速度减去1(或100%)等于定基发展速度；而环比增长速度减去1(或100%)等于环比发展速度。（ ）