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患者男，38岁，间歇性水肿10余年，伴恶心、呕吐1周。血红蛋白80g/L，血压20.7/14.7kPa（155/110mmHg），尿蛋白（++），颗粒管型2～3个／HP，尿相对密度为1.010～1.012。

选择性蛋白尿的特点是以（）。

A.溶菌酶为主

B.清蛋白为主

C.本-周蛋白为主

D.IgA为主

E.β2-微球蛋白为主

F.α1-微球蛋白为主

G.α2-巨球蛋白为主

H.γ-微球蛋白为主

答案

参考答案：B

阅读理解

Miyoke, 13
Do you want to know where I come from? Oh, please guess(猜)！ I can speak good Japanese(日语), but I can’t speak English or Chinese at all. I like white a lot, so you can see me in a white shirt at school.
Grace, 12
Am I very cool? I have long hair with two big eyes. I have an e-friend from China, but she lives in London with me now. She studies English here. I often help her study English.
Maria, 12
I like little animals very much. Dogs are my favorite. So I have two dogs at home, but my mom doesn’t like them at all. I often give some eggs and cakes to them. They like me, too, and they can help me.
Tian Jun, 13
Chinese is my mother language(语言), but I study English at school. Now I can speak a little English. I often have some emails from my friend in the USA. He tells me how to study English in his e-mails. He says he likes Beijing. He wants to visit the Great Wall very much.
小题1:Miyoke is from      .

小题2:Grace has        .
A．long hair with two small eyes
B．an e-friend from London
C．a Chinese e-friend
D．short hair with two big eyes
小题3:     doesn’t like dogs at her home at all.
A．Miyoke’s mom
B．Maria’s mom
C．Maria’s e-friend
D．Tian Jun’s friend
小题4:Tian Jun can        now.
A．only speak Chinese
B．speak Japanese
C．speak Chinese and English
D．speak Chinese and Japanese
小题5:Which is RIGHT according to the passage?
A．Miyoke is often in a brown shirt at school.
B．Grace lives with her e-friend in Beijing now.
C．Tian Jun’s friend wants to visit Beijing a lot.
D．Maria doesn’t have a dog at her home.
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问答题 简答题

简述齿轮的精度要求。
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