Here is an astonishing and significant factMental 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 (疲勞)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 laborerwe 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 factfatigue of purely physical origin is rare.”Dr.Brill,a famous American scientistgoes 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 boredanger,anxietytenseness,worry,a feeling of not being appreciatedthose 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.

1.What surprised the scientists a few years ago?

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

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

CThe brain could work for many hours without fatigue.

DA mental worker’s blood was filled with fatigue toxins.

2.According to the author,which of the following can make sitting workers tired?

AChallenging mental work.

BUnpleasant emotions.

CEndless tasks.

DPhysical labor.

3.What’s the author’s attitude towards the scientists’ ideas?

AHe agrees with them.

BHe doubts them.

CHe argues against them.

DHe hesitates to accept them.

4.We can infer from the passage that in order to stay energetic,sitting workers need to ________.

Ahave some good food

Benjoy their work

Cexercise regularly

Ddiscover fatigue toxins

 

1.C

2.B

3.A

4.B

【解析】本文為說明文,屬于科普類文章。研究發(fā)現(xiàn),單純的腦力勞動并不會令人感覺疲勞,而真正令人感覺疲勞的是心理和情感態(tài)度,如煩躁、氣憤、焦慮、緊張、擔心、不被欣賞等。這些情感都是令腦力勞動者感覺疲勞的因素。

1.

2.2】解析:選B。細節(jié)理解題。根據(jù)倒數(shù)第二段最后一句可知,使腦力勞動者疲勞的主要原因是情感問題,最后一段指出了是哪些情感,故B項正確。

3.3】解析:選A。推理判斷題。本文主要介紹了科學家的研究成果,作者對此進行了進一步的分析、論證,對情感態(tài)度導致人疲勞的觀點持肯定態(tài)度,并未對此進行質(zhì)疑,故A項正確。

4.4】解析:選B。推理判斷題。根據(jù)最后兩段的敘述可知,心理和情感態(tài)度是導致腦力勞動者疲勞的主要原因,因而保持好的心理狀態(tài)才會感覺精力充沛;B項意為喜歡他們的工作,符合文意,這就避免了導致疲勞的煩躁、氣憤等情感。其余幾項都與導致疲勞的因素無關,故排除。

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Vocabulary

file into                  魚貫而入,排隊進去

Jakarta                  雅加達

meditate                  沉思,冥想,反省

Java                  爪哇

Javanese                  爪哇的

mysticism                  神秘主義

boost                  促進,增加,提高

devout                  虔誠的,熱誠的

appeal (to)            ……呼吁,求助于,魅力

legend                  傳說,神話

fasting                  禁食,齋戒

hold onto                  抓緊,保住

personnel management system      人事管理制度

perspective investment      遠景投資

venture                  (商業(yè))投機,風險

sharpen                  使……敏銳/尖銳,磨尖

business slide            買賣/企業(yè)滑坡,下滑

turn around            (生意)好轉(zhuǎn),轉(zhuǎn)變

subconscious            下意識的,潛意識的

cybernetics            控制論

Carnegie                  卡耐基

tap                  開拓,選擇

 

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