Here is an astonishing and significant fact: Mental work alone can’t make us tired. 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.
1.What surprised the scientists a few years ago?
A. Fatigue toxins could hardly be found in a laborer’s blood.
B. The brain could work for many hours without fatigue.
C. Albert Einstein didn’t feel worn after a day’s work.
D. A mental worker’s blood was filled with fatigue toxins.
2. According to the author, which of the following can make sitting workers tired?
A. Challenging mental work. B. Endless tasks.
C. Physical labor. D. Unpleasant emotions.
3. Which of the following is properly used to describe the author’s attitude to the scientists’ idea?
A. He hesitates to accept them. B. He doubts them.
C. He argues against them. D. He agrees with them.
4. It is implied in the passage that in order to stay energetic, sitting workers need to ___________.
A. enjoy their work B. have some good food.
C. exercise regularly D. discover fatigue toxins
名校课堂系列答案科目：高中英语 来源：2016届吉林东北师大附中净月校区高三上二模英语试卷（解析版） 题型：单词拼写
单句填空
1.Her parents wouldn’t ________（允许）her to go to the party, but she still hopes to.
2.I can’t b________ people smoking while I’m eating.
3.To c________ the end of our exams, my friends and I went to a fast food restaurant.
4.According to the s_________, the first lecture will begin at 9 am., so please be quick!
5.The boy succeeded in __________(救援) a drowning child.
6.Yesterday Michael _________(道歉) to his boss for being late.
7.He t__________ the soup to see if he had put enough salt in it.
8.I often ___________(想象)what my life will be like in the future.
9.The new building must f_________ in with its surroundings.
10.After countless interviews, I ________to stand out among the candidates and survive the test alone.
查看答案和解析>>
科目：高中英语 来源：2016届江西师范大学附属中学高三上学期第一次月考英语试卷（解析版） 题型：完形填空
阅读下面短文，从短文后各题所给的四个选项 (A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
Sandy Greenberg came from a poor family．He went to Columbia University on a scholarship and there he met his roommate who also was receiving financial .
Unfortunately, Sandy had a(n) disease during his second year at Columbia University, and finally he became blinD． But for Sandy, something else also happened to him — his roommate would his textbooks to him, every night after he lost his sight.
As a result, Sandy went on to with honors．He went off to study at OxforD． He was still quite poor, but he had managed to about five hundred dollars as he went along.
His roommate went on to graduate school．One day, Sandy got a from him at OxforD． His former roommate said, "Sandy, I'm really ．I really don't like being in graduate school, and I don't want to do this."
"Well, what do you want to do? " Sandy .
His roommate told him, "Sandy, I really love to ．I have a high school friend who plays the guitar．And we would really like to our hands in the music business．But we need to make a promo record, and in order to that I need $500."
Sandy took all his life savings without and sent it to his roommate．Well, his roommate was the famous singer, Art Garfunkel, and he up with another musician, Paul Simon．That $500 them make a record that finally became The Sound of Silence.
How we are able to deal with in our lives will be influenced by how we deal with others the way．What we get will depend a lot on what we ．And that's the end of the story of doing well by doing good.
1.A． aid B． advice C． crisis D． pressure
2.A． eye B． ear C． nose D． bone
3.A． finally B． luckily C． sadly D． excitedly
4.A． lend B． offer C． read D． return
5.A． survive B． research C． leave D． graduate
6.A． save B． earn C． keep D． borrow
7.A． never B． still C． either D． also
8.A． message B． call C． card D． report
9.A． unhappy B． unhealthy C． homesick D． lonely
10.A． suggested B． answered C． asked D． laughed
11.A． work B． sing C． dance D． travel
12.A． wave B． wash C． try D． clean
13.A． win B． do C． prove D． earn
14.A． permission B． consideration C． hesitation D． expectation
15.A． other B． present C． former D． later
16.A． teamed B． came C． showed D． let
17.A． saw B． helped C． hoped D． let
18.A． interests B． opportunities C． difficulties D． feelings
19.A． across B． in C． by D． along
20.A． take B． give C． like D． learn
查看答案和解析>>
科目：高中英语 来源：2016届广东百所学校高三12月质量分析联合考试英语试卷（解析版） 题型：阅读理解
Are you a volcano lover? Here is a list of some of the world’s most beautiful volcanoes that our travel agency can offer you to visit. Don’t miss them!
Mount Mayon, the Philippines
Located about 450 km southeast of Manila on the island of Luzon, Mount Mayon is the most active volcano in the Philippines; a September 2014 eruption forced thousands to flee the area. Those who hike the volcano are rewarded with views of the towns on the Albay province and the Pacific Ocean. But even those who prefer the view from a distance have historical good point at the Cagsawa Ruins, once an 18th Century Franciscan church that was destroyed by an 1814 eruption.
Kilauea and Mauna Kea, Hawall
Hawaii’s volcanoes are known for their active eruptions and extraordinary scenes. Mauna Kea is around one million years old, while Kilauea is the youngest volcano in Hawaii and has been erupting continuously since 1983. The lava falls straight into the sea, creating fantastic forms of black rocks and smoke clouds.
Mount Kelimutu, Indonesia
Kelimutu’s three mysterious crater lakes attract both scientists and tourists to the island of Flores in Indonesia’s East Nusa Tenggara province. One is emerald green（翡翠绿），another dark red, and the third pitch black. Scientists say the lakes take on such colors because the volcanic gases met the lakes’ minerals centuries ago.
1.People who hike Mount Mayon can enjoy the following EXCEPT .
A. views of the towns in the Albay province
B. views of the Pacific Ocean
C. views of the Cagsawa Ruins
D. views of Indonesia’s East Nusa Tenggara province
2.According to the text, Kilauea .
A. is an active volcano
B. stopped erupting in 1983
C. is the youngest volcano in the world
D. forces thousands to flee in 2014.
3.The colors of Kelimutu’s three mysterious crater lakes are due to .
A. water pollution B. different environment
C. chemical reaction D. different temperatures
查看答案和解析>>
科目：高中英语 来源：2015-2016学年吉林长春市高一上学期第三次月考英语试卷（解析版） 题型：单项填空
The League member is brave, honest and hard-working. In a word, he is a good boy of many ______.
A. qualities B. principles C. rewards D. opinions
查看答案和解析>>
科目：高中英语 来源：2015-2016学年山西太原第五中学高二12月月考英语试卷（解析版） 题型：阅读理解
Why do men die earlier than women? The latest research makes it known that the reason could be that men’s hearts go into rapid decline when they reach middle age.
The largest study of the effects of aging on the heart has found that women’s longevity may be linked to the fact that their hearts do not lose their pumping power with age.
“We have found that the power of the male heart falls by 20--25 percent between 18 and 70 years of age,” said the head of the study, David Goldspink of Liverpool John Moores University in the UK.
“Within the heart there are millions of cells that enable it to beat. Between the age of 20 and 70, one-third of those cells die and are not replaced in men,” said Goldspink. “This is part of the aging process.”
What surprises scientists is that the female heart sees very little loss of these cells. A healthy 70-year-old woman’s heart could perform almost as well as a 20-year-old one’s.
“This gender difference might just explain why women live longer than men,” said Goldspink.
They studied more than 250 healthy men and women between the ages of 18 and 80, focusing on healthy persons to remove the confusing influence of disease.
The team has yet to find why ageing takes a greater loss on the male heart, said Goldspink.
The good news is that men can improve the health of their heart with regular exercise. Goldspink stressed that women also need regular exercise to prevent their leg muscles becoming smaller and weaker as they age.
1.The underlined word “longevity” in the second paragraph probably refers to ______.
A. health B. long life C. aging D. effect
2.The text mainly talks about ______.
A. men’s heart cells B. women’s aging process
C. the gender difference D. hearts and long life
3.According to the text, the UK scientists have known that ______________.
A. women have more cells than men when they are born
B. women can replace the cells that enable the heart to beat
C. the female heart loses few of the cells with age
D. women never lose their pumping power with age
4.If you want to live longer, you should ___________.
A. enable your heart to beat much faster
B. find out the reason for aging
C. exercise regularly to keep your heart healthy
D. prevent your cells from being lost
5.We can know from the passage that __________.
A. the reason why aging takes a greater loss on the male heart has been found out
B. scientists are on the way to finding out why the male heart loses more of the cells
C. the team has done something to prevent the male from suffering the greater loss
D. women over 70 could lose more heart cells than those at the age of 20
查看答案和解析>>
科目：高中英语 来源：2015-2016学年辽宁实验中学分校高二12月月考英语试卷（解析版） 题型：七选五
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项为多余选项。
Money Matters
Parents should help their children understand money. 1. So you may start talking about money when your child shows an interest in buying things, candy or toys, for example.
1. The basic function of money
Begin explaining the basic function of money by showing how people trade money for goods or services. It is important to show your child how money is traded for the things he wants to have. If he wants to have a toy, give him the money and let him hand the money to the cashier(收银员). 2. When your child grows a bit older and understands the basic function of money, you can start explaining more ways of using money.
2. Money lessons
Approach money lessons with openness and honesty. 3. If you must say no to a child’s request to spend money, explain, “You have to make a choice between this and that toy.”
3. 4.
Begin at the grocery store. Pick out two similar brands of a product –a name-brand butter and a generic(无商标产品), for example.You can show your child how to make choices between different brands of a product so that you can save money. 5. If he chooses the cheaper brand, allow him to make another purchase with the money saved. Later, you may explain how more expensive choice leaves less money for other purchases.
A. Wise decision
B. The value of money
C. Permit the child to choose between them.
D. Tell your child why he can –or cannot –have certain things.
E. Ask yourself what things that cost money are most important to you.
F. Talk about how the money bought the thing after you leave the toy store.
G. The best time to teach a child anything about money is when he shows an interest.
查看答案和解析>>
科目：高中英语 来源：2016届安徽宿松县凉亭中学上学期高三第三次月考英语试卷（解析版） 题型：语法填空
阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的适当形式。将答案填写在答题卷的相应位置。
Now if you’ve got nothing to do today, why not go to the east part of the city and get digging? That’s the message from No.1 Senior High School, _1.__ is organizing a tree planting event near East Mountain. In order to improve the environmental _2.__ (educate) of its students and get more people __3._ (organize), the school is planning to plant __4.__ total of 1,400 trees paid by the government over the next few days. They are hoping to plant half of them today and they _5.__(look) for volunteers to come along and help. No experience is necessary, _6._ there will be experts to give directions and the __7.__ (equip) will be provided. Everyone is welcome to come along anytime __8._ 10 am and 4 pm. I don’t think you need my advice of what sort of shoes or clothes you have to wear. And of course, gloves will be essential __9._ (protect) your hands. So it could be __10._ (real) a nice day out for all the families. Enjoy your day.
查看答案和解析>>
科目：高中英语 来源：2015-2016学年吉林长春第二中学高二上第三次月考英语试卷（解析版） 题型：阅读理解
Wheels are everywhere around you and me, yet no one knows exactly when the first wheel was invented or what it was used for. We do know, however, that they existed over 5,500 years ago in ancient Asia.
The oldest known transport wheel was discovered in 2002 in Slovenia. It is over 5,100 years old. Evidence suggests that wheels for transport didn’t become popular for a while, though. This could be because animals did a perfectly good job of carrying farming tools and humans around.
But it could also be because of a difficult situation. While wheels need to roll on smooth surfaces, roads with smooth surfaces weren't going to be constructed until there was plenty of demand for them. Eventually, road surfaces did become smoother, but this difficult situation appeared again a few centuries later. There had been no important changes in wheel and vehicle design before the arrival of modern road design.
In the mid-1700s,a Frenchman came up with a new design of road--a base layer (层)of large stones covered with a thin layer of smaller stones. A Scotsman improved on this design in the 1820s and a strong, lasting road surface became a reality. At around the same time, metal hubs(the central part of a wheel)came into being, followed by the pneumatic tire (充气轮胎) in 1846. Alloy wheels were invented in 1967, sixty years after the appearance of tarmacked roads(柏油路). As wheel design took off, vehicles go faster and faster.
1.What might be the reason why transport wheels wasn’t that popular for some time?
A. Few knew how to use transport wheels.
B. Humans carried farming tools just as well.
C. Such animals as horses and bulls were still a good means of transport.
D. The existence of transport wheels was not known.
2.How is the last paragraph mainly developed?
A. By giving examples.
B. By following time order
C. By making comparisons.
D. By making classifications.
3.What is the passage mainly about?
A. The beginning of road design.
B. The history of public transport.
C. The developmentt of transport wheels.
D. The invention of fast-moving vehicles.
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com
