Here is an astonishing and significant fact: Mental work alo
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Here is an astonishing and significant fact: Mental work alone can’t make us tire. It sounds absurd. But a 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(情绪的) 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 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?
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小题1:C
小题2:B
小题3:A
小题4:B
小题1:细节理解题。根据Here is an astonishing and significant fact: Mental work alone can’t make us tire.脑力劳动时间长了不会让人感觉到累,故选C。
小题2:细节理解题。根据A feeling of being bored, anger, anxiety, tenseness, worry, a feeling of not being appreciated---those are the emotions that tire sitting workers. 厌烦、生气、焦虑、紧张还有不高兴的情感,这四个选项里只有B才提到,故选B。
小题3:态度判断题。根据Here is an astonishing and significant fact: Mental work alone can’t make us tire. We get tired because our emotions produce nervousness in the body 我们感觉到累是因为我们身体里产生了紧张,这里看出作者是赞同这个观点的,故选A。
小题4:推理判断题。根据Hard work by itself seldom causes fatigue. We get tired because our emotions produce nervousness in the body.只要人们不觉得心情紧张,享受生活那么就能保持精力旺盛,不觉得累,故选B。
考点:
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