皮皮学，免费搜题
登录
搜题
【单选题】
关于流行病学常用三类相对指标的说法错误的是?A.
率是一个动态指标，反映事物现象发生的强度
B.
构成比反映某事物内部各部分占全部的比重
C.
相对比必须是同类指标之比
D.
构成比和比值必须是静态指标，无时间单位
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】早期胃癌指所有局限于____的胃癌。
【单选题】The famous Yellowstone National Park is situated in northwestern part of
A.
California.
B.
Arizona.
C.
Wyoming.
D.
Massachusetts.
【简答题】听对话，回答问题。 1. What is the problem with the woman? A. She doesn't know what kind of shoes to buy B. She doesn't know what colour to choose. C. She can't decide what size shoes to buy. 2. How do you like...
【单选题】为更好地发展幼儿的感受能力，幼儿听音乐进行动作反应时，教师应（）
A.
在幼儿反应之前作出反应
B.
在幼儿反应之后作出反应
C.
和幼儿同时作出反应
D.
带着幼儿做动作
【简答题】听对话，回答问题。 1. What kind of shoes does the girl like? A B C 2. What is the boy going to do this Saturday? A B C 3. What does Dani...
【单选题】阅读短文，回答问题：Sometimes， people are not clear about what kind of food is healthy， and what kind of food may do harm to our health. The USDA has prepared a food guide to help people learn about which kind ...
A.
A report on diseases in the US.
B.
An order given by the US President.
C.
A group of doctors in the US.
D.
An office of the US government.
【简答题】听对话，回答问题。 1. What kind of dumplings does the man want? A. Chicken and carrot. B. Beef and potato. C. Beef and carrot. 2. How much are they? A. 8 Yuan. B. 9 Yuan. C. 10 Yuan.
【简答题】书签名在 标签的 属性中定义。
【单选题】One of the most famous national parks in the U.S. is the
A.
Yellowstone National Park.
B.
Hyde Park.
C.
Kakadu National Park.
D.
American Fishing Center.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
