表示病例组与对照组某因素暴露比例的比值 A．RR B．AR C．AR%_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

表示病例组与对照组某因素暴露比例的比值

A．RR
B．AR
C．AR%
D．OR
E．PARP

答案

参考答案：D

阅读理解

阅读理解。从右栏中找出能够与左栏相配的句子，把序号填在括号内。

      A man goes to a fast food restaurant for lunch. "Hi," a worker says, "May I help you?"
      "I'd like a hamburger, large fries and a medium Coke." the man says.
      "Anything else?" the worker asks.
      "No." the man answers, "That's it."
      "Is that for here or to go?" the worker asks.
      "To go." the man says.
      The man pays for his lunch. The worker puts the man's lunch in a bag. The man takes the bag.

( ) 1. A man goes
( ) 2. He says
( ) 3. A worker puts
( ) 4. The man takes the bag and takes a walk
( ) 5. He opens the bag and finds

a. in the park
b. a lot of money
c. the man's lunch in a bag
d. "I'd like a hamburger, large fries and a medium Coke."
e. to a fast—food restaurant for lunch

判断题

调序法的原理就是将车辆序号临时重新组织，经过运行调整后，恢复到原来次序。