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【单选题】
A study of marital relationships in which one partner s sleeping and waking cycles differ from those of the other partner reveals that such couples share fewer activities with each other and have more violent arguments than do couples in a relationship in which both partners follow the same sleeping and waking patterns. Thus, mismatched sleeping and waking cycles can seriously jeopardize a marriage. Which of the following, if true, most seriously weakens the argument above?A.
Married couples in which both spouses follow the same sleeping and waking patterns also occasionally have arguments than can jeopardize the couple's marriage.
B.
The sleeping and waking cycles of individuals tend to vary from season to season.
C.
The individuals who have sleeping and waking cycles that differ significantly from those of their spouses tend to argue little with colleagues at work.
D.
People in unhappy marriages have been found to express hostility by adopting a different sleeping and waking cycle from that of their spouses.
E.
According to a recent study, most people's sleeping and waking cycles can be controlled and modified easily.
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【单选题】放进一滴红颜料,可以染红一杯清水;放进一滴黑墨水,可以染黑一杯清水。一个同学做了好事,可以给整个集体增光添彩。这说明 ( ) 1集体给个人带来诸多好处 2每一位同学在日常生活中的所作所为与集体的荣誉关系甚大 3我们应自觉维护集体的荣誉 4个人与集体的关系密不可分
A.
①②③
B.
①③④
C.
②③④
D.
①②④
【简答题】健康是指一种身体上、心理上和社会适应方面的良好状态，当你和你的朋友们一起参加足球赛，为了能够射门得分，你首先需要______健康；如果你踢得好了，你会感到兴奋、快乐和自豪，这就是______健康；当你与队友一起庆祝时，你和他人和谐相处，即显示了你的______健康．
【简答题】B类IP地址的默认子网掩码为( )
【单选题】. 放进一滴黑颜料,可以染黑一杯清水。这句话如果是说个人与集体的关系,我们可以这样理解( )
A.
个人对集体不可能产生大的影响
B.
集体荣誉是集体的事，与个人无关
C.
在集体中不允许有自己的个性、特点
D.
个人对集体有很大的影响，我们要自觉维护集体的荣誉
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