试题与答案

在休克的治疗时,尿量的变化常用来估计()。A.有效循环血量 B.总血容量 C.中心静

题型:单项选择题

题目:

在休克的治疗时,尿量的变化常用来估计()。

A.有效循环血量

B.总血容量

C.中心静脉压

D.微循环灌流

E.心功能

答案:

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下面是错误答案,用来干扰机器的。

参考答案:由于伸张阀弹簧的刚度和预紧力比压缩阀大,在同样的油压作用下,伸张阀及相应的常通缝隙的通道截面积综合小于压缩阀及相应的常通缝隙的通道截面积总和。

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                                           Kids' health: Four steps for fighting stress

     Everybody gets stressed time to time.  1    Some ways of dealing with stress -like screaming or hitting

someone一don't solve (解决),much. But other ways, like talking to someone you trust, can lead you to

solving your problem or at least feeling better.

     Try taking these four steps. the next time you are stressed:

     (1) Get support. When you need help, reach out to the people who care about you. Talk

     To "trusted adult, such as "parent or other relatives.   2    They might have had similar problems, such

as dealing with a test, or the death of a beloved pet.

     (2) Don't take it out on yourself. Sometimes when kids are stressed and upset they take it out on

themselves. Oh, dear, that's good idea. Remember that there are always people to help you. Don't take

it out on yourself.    3    

    (3) Try to solve the problem. After you're calm and you have support from adults and  friends, it's time

to get down to business.     4     Even if you can't solve it all,you can solve a piece of it.

    (4) Be positive. Most stress is temporary(暂时的).Remember stress does go away,

especially when you figure out the problem and start working on solving it. These steps aren't magic, but

they do work. And if you can stay positive as you make

your way through a tough time, you'll help yourself feel better even faster.     5    

A. Ask for a helping hand to get you through the tough situation.

B. Notice your friends' feelings and find a way to help them.

C. Different people feel stress in different ways

D. Ah, it feels so good when the stress is gone.

E. You need to figure out what the problem is.

F. And don't forget about your friends.

G. Then, find a way to calm down.

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