问题 选择题

下边的漫画《鲜花送模范“劳动节”》告诉我们 [ ]

①要在劳动创造中实现自己的人生价值

②一个人的人生价值是通过劳动来创造的

③每一个公民都应坚持勤奋劳动,兢兢业业、扎实工作

④得到劳动模范的荣誉称号是我们惟一的人生目标

A.①②③

B.①③④

C.②③④

D.①②④

答案

答案:A

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Here is an astonishing and significant fact:Mental work alone can’t make us tired.It sounds absurd.But a few years ago,scientists tried to find out how long the human brain could labor without reaching a stage of fatigue (疲劳).To the amazement of these scientists,they discovered that blood passing through the brain,when it is active,shows no fatigue at all! If we took a drop of blood from a day laborer,we would find it full of fatigue toxins(毒素) and fatigue products.But if we took blood from the brain of an Albert Einstein,it would show no fatigue toxins at the end of the day.

So far as the brain is concerned,it can work as well and swiftly at the end of eight or even twelve hours of effort as at the beginning.The brain is totally tireless.So what makes us tired?

Some scientists declare that most of our fatigue comes from our mental and emotional(情感的) attitudes.One of England’s most outstanding scientists,J.A.Hadfield,says,“The greater part of the fatigue from which we suffer is of mental origin.In fact,fatigue of purely physical origin is rare.”Dr.Brill,a famous American scientist,goes even further.He declares,“One hundred percent of the fatigue of a sitting worker in good health is due to emotional problems.”

What kinds of emotions make sitting workers tired? Joy? Satisfaction? No! A feeling of being bored,anger,anxiety,tenseness,worry,a feeling of not being appreciated-those are the emotions that tire sitting workers.Hard work by itself seldom causes fatigue.We get tired because our emotions produce nervousness in the body.

小题1:What surprised the scientists a few years ago?

A.Fatigue toxins could hardly be found in a laborer’s blood.

B.Albert Einstein didn’t feel worn out after a day’s work.

C.The brain could work for many hours without fatigue.

D.A mental worker’s blood was filled with fatigue toxins.小题2:According to the author,which of the following can make sitting workers tired?

A.Challenging mental work.

B.Unpleasant emotions.

C.Endless tasks.

D.Physical labor.小题3:What’s the author’s attitude towards the scientists’ ideas?

A.He agrees with them.

B.He doubts them.

C.He argues against them.

D.He hesitates to accept them.小题4:We can infer from the passage that in order to stay energetic,sitting workers need to ________.

A.have some good food

B.enjoy their work

C.exercise regularly

D.discover fatigue toxins