问题
多项选择题
关于集合管的叙述，正确的是
A.重吸收滤液中50%的水
B.含有致密斑
C.其小管液的渗透压变化很大
D.是血管升压素作用的主要部位
E.无尿浓缩功能
答案
参考答案：C, D
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关于集合管的叙述，正确的是
A.重吸收滤液中50%的水
B.含有致密斑
C.其小管液的渗透压变化很大
D.是血管升压素作用的主要部位
E.无尿浓缩功能
参考答案：C, D
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| Many adults see teens as energetic.Many of us see ourselves as proud.This thinking __1__ many adults and us to have the idea that if we can't handle school or __2__ life well, we are just not trying hard. But in my opinion that may not be __3__. Earlier this school year, I was leaving my class one Friday __4__ suddenly it __5__ like I had pulled a muscle in my back.I knew I was ill. After a few days I stopped eating.This meant I lost __6__; the clothes that I bought two weeks earlier began __7__ loose.This time my parents got scared. __8__, I started sleeping less.My eyelids (眼皮) were constantly __9__. I refused to __10__ that I was ill.I kept my job working 25 hours a week in a shop; I didn't __11__ any classes.When I was hurting, I didn't mind and kept on going.__12__ it kills you, it makes you stronger, right? But now I find myself thinking.Is it __13__ it? I'm taking the classes and working for the newspaper because it does good __14__ college applications.And I'm working 25 hours a week so that, once I get into my dream school, I can __15__ it. Here I am, already sick from the __16__ of work I'm doing in and out of school.So, what good is a(n) __17__ application if I'm badly ill? What is the __18__ of doing this work if I can't enjoy the results? In fact, by writing my __19__ I'm telling all the people who __20__ much about the future to worry about it now. | |||
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