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1、双语学习报初三20222023
2、学美语七年级上册英语答案人教版
3、《英语周报》报纸答案xingmubiao
12．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 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 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 workers 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．
33．What surprised the scientists a few years ago？C
A．Fatigue toxins could hardly be found in a laborer's blood
B．Albert Einstein didn't feel worn 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
34．According to the author，which of the following can make sitting workers tired？B
A．Challenging mental work
B．Unpleasant emotions
C．Endless tasks
D．Physical labor
35．What's the author's attitude towards the scientists'idea？A
A．He agrees with them
B．He doubts them
C．He argues against them
D．He hesitates to accept them． 试题答案
分析 本文是一篇说明文阅读，主要介绍了科学家们通过研究发现脑力劳动并不能使人劳累，使人感到劳累的是人的精神和情感状态，即厌烦、生气、焦急、紧张、忧虑以及不被欣赏等消极的情绪，这些情绪能在体内产生紧张感，使自己感觉到身体疲倦．
解答 CBA
33．C 细节理解题．根据第一段Here is an astonishing and significant fact：Mental work alone can't make us tire．可知脑力劳动时间长了并不会让人感觉到累，故选C．
34．B 细节理解题．根据最后一段A feeling of being bored，anger，anxiety，tenseness，worry，a feeling of not being appreciated---those are the emotions that tire sitting workers．可知厌烦、生气、焦虑、紧张还有不高兴的情感会使工人感到劳累，故选B．
35．A 态度判断题．根据第一段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．可知我们感觉到累是因为我们身体里产生了紧张的情绪，在这里可以看出作者是赞同这个观点的，故选A．
点评 学生需要认真阅读原文，把握文章大意，对文章脉络有整体的了解，能仔细查找文中细节，并能根据文章内容进行合理的推测判断．
短文改错
Grandma Moses was crazy about painting soon before she picked it up and worked hard at it. She painted careful and her works were nice. She first painted only to please oneself, and then began to sell her works with a little money. In 1993, a collector, Louis Caldor happen to see several of Grandma Moses’ work hanging in a shop. He liked them, buying them at once, and set out to look for less. Caldor held a show to introduce the works of Grandma Moses other artists. Grandma Moses, who was world-famous, was died on December 13, 1961, at the age of 101．
