OR值是哪种流行病学研究方法用来评价暴露与疾病关系的指标A．现况调查 B．回顾性队列

     I live in a small doll's house. My master is a girl __1__ Danielle. She loves me very __2__. She puts
beautiful clothes on me and combs (梳) my hair every day．
     I look like a girl from the Tang Dynasty (唐朝) of China. My clothes are red and blue. I __3__ gold
shoes and small gold hair clips.
     Danielle is going to take me __4__ Japan for the Doll Festival. I can see many dolls there.
     Sometimes I feel __5__ because I am Danielle's only doll. I have no __6__. and I never see any other
dolls. I want to have doll friends and talk __7__ them. I want to talk about our clothes, houses and livers.
I want to __8__ the Japanese dolls a lot of questions. I want to ask the Kokeshi dolls (小木偶) why they
have no arms or legs. They are usually __9__. I like to talk to young dolls.
     Danielle says I can meet some boys'dolls __10__ the festival too. I hope I can make friends with some
of them.