考研习题练习

考研易错题(2019/7/23)
1题:心率过快时,心输出量减少的原因是
A.心房收缩期缩短
B.等容收缩期缩短
C.心室射血期缩短
D.心室充盈期缩短
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2题: 关于Hb和O2结合的叙述,错误的是( )
A.Hb的4个亚基间有协同作用
B.1个分子Hb最多结合4分子O2
C.Hb和O2的结合和解离曲线呈S形
D.100ml血中的Hb实际结合的O2量称为Hb氧容量
【单选题】:      

3题:Work hard and get aheaD、That’s what everyAmerican learns growing up, but for millions of them, it’s getting harder to tell the difference between working hard and being a workaholiC、"The line happens when you come home one day and your husband isn’t there, and you didn’t realize he left you a week ago," Stephen Viscusi saiD、Viscusi isCEO of the Viscusi Group.
The actual reasons for becoming a workaholic are quite varieD、It might involve a need in someone to always stay a step ahead of their co-workers or anyone else they perceive as a competitive threat. It could be a desire to never leave the office at night without tying up any loose ends such as returning an email, writing a memo or getting a package out. It might be a single-minded commitment to being successful, gaining promotion after promotion, no matter what the cost.
WorkaholicsAnonymous—a "fellowship of individuals who share their experience, strength and hope with each other that they may solve their common problems and help others to recover from work holism"—lists 20 questions to ask yourself if you think you may be a workaholic, including whether you get more excited about work than anything else and work more than 40 hours per week.viscusi said a good indication that you’re a workaholic is if you are constantly electronically connected to the office, whether by cell phone,BlackBerry or laptop.
Workaholism’s effects on the family can be devastating, Viscusi said, with the consequences eventually manifesting themselves, as they would with any other addiction, in broken marriages and broken homes.Brian Robinson, a professor at the University of NorthCarolina, told "20/20" in 1999 that children of workaholics developed the same disorders as children of alcoholics, such as depression and anxiety, that crippled them later in life.
Viscusi offered the following tips for workaholics trying to make a change.Don’t take on every project.Don’t say yes to everyone. Learn the art of saying "I can’t handle any more."Also, doesn’t it seem like exercise is good for everything It is recommended as part of every self-help regime— well, this is no difference.Exercise and yoga help you, and it’s the hardest place to get any workdone. No cell phones allowed! Similar to a hobby, doing something without asking for any payment in return lets you focus on something other than work or your joB、It can give you a different perspective and a different way to meet new people.
What does the author think of the effects of workaholic on families
A、Constructive.
B.Destructive.
C.a double-edged sworD、
D.Vague.
【单选题】:      

4题:《中华人民共和国民法通则》是( )。
A.一部民法典
B.我国民事基本法
C.我国民事特别法
D.我国民事单行法
【单选题】:      

5题:在页面置换算法中,存在Belady现象的算法是()。
A.最佳页面置换算法(OPT)
B.先进先出置换算法(FIFO)
C.最近最久未使用算法(LRU)
D.最近未使用算法(NUR)
【单选题】:      

 

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