题目
题型：不详难度：来源：
In the first stage of our lives，we develop and grow, reaching toward the top of physical vitality(活力)．
After we grow up，however, the body begins a process of gradually wearing out．
A new awareness of physical fitness may help lengthen our years of health and vitality，yet nothing we do will work to stop the unavoidable force of aging．
Most of the changes of aging take place deep inside the body．The lungs become less able to take in oxygen．Powerful muscles gradually lose their strength．The heart loses power and pumps less blood．Bones grow easier to break．
Finally, we meet a stress，a stress that is greater than our physical resistance．Often，it is only a minor accident or chance infection(a disease caused by virus)，but this time，it brings life to an end．
In 1932，a classic experiment nearly doubled the lifetime of rats，simply by cutting back the calories in their diet The reason for the effect was then unknown．
Today, at the University of California at Berkley, Dr．Paul Seagle has also greatly lengthened the normal lifetime of rats．The result was achieved through a special protein limited diet，which had a great effect on the chemistry of the brain．Seagle showed that within the brain，specific chemicals control many of the signals that influence aging．By changing that chemical balance，the clock of aging can be reset．
For the first time, the mystery of why we age is being seriously challenged．Scientists in many fields are now making striking and far-reaching discoveries．
An average lifetime lasts 75 years，yet in each of us lies a potential for a longer life．If we could keep the vitality and resistance to disease that we have at age twenty, we would live for 800 years．
小题1:What does the underlined word “it” refer to?
| A．Physical vitality． | B．Stress． | C．Aging． | D．Physical resistance． |
| A．People gradually lose their muscle strength． |
| B．Bones tend to break more easily． |
| C．The heart loses power and pumps less blood． |
| D．The lungs become unable to take in oxygen． |
| A．human"s life pattern is predictable |
| B．physical fitness can"t stop the force of aging |
| C．human"s lifetime will last longer than 75 years |
| D．all of the changes of aging take place deep inside the body |
| A．By keeping their physical fitness． | B．By cutting the calories in their diet． |
| C．By resetting their clock of aging． | D．By limiting the protein in their diet． |
| A．Two Great Experiments |
| B．The Mystery of Human Life |
| C．The Breakthrough in the Study of Aging |
| D．Ways to lengthen Human Life |
答案
小题1:B
小题2:D
小题3:D
小题4:D
小题5:C
解析
试题分析：
小题1:B 推理题。根据本句we meet a stress，a stress that is greater than our physical resistance．Often，it is only a minor accident or chance infection(a disease caused by virus)，but this time，it brings life to an end．说明这里的it指上的stress，它让我们的生命结束。
小题2:D 细节题。根据文章第五段Most of the changes of aging take place deep inside the body．The lungs become less able to take in oxygen．Powerful muscles gradually lose their strength．The heart loses power and pumps less blood．Bones grow easier to break．说明ABC都是变老的变化，D项表述错误，肺部不是不能吸入氧气，是吸入氧气变少。
小题3:D 推理题。根据文章第五段Most of the changes of aging take place deep inside the body．The lungs become less able to take in oxygen．Powerful muscles gradually lose their strength．The heart loses power and pumps less blood．Bones grow easier to break．这里很多变老的症状都表现在外在了，故D说法错误。
小题4:D 细节题。根据文章倒数第四段a classic experiment nearly doubled the lifetime of rats，simply by cutting back the calories in their diet说明D正确。减少了饮食中的卡路里，与D项相符。
小题5:C 主旨大意题。本文讲述了一个新的科学发现，是对人类变老的研究，结果发现我们可以延长我们的衰老过程，以延长我们的生命。故C正确。
点评：：本文讲述了一个新的科学发现，是对人类变老的研究，结果发现我们可以延长我们的衰老过程，以延长我们的生命。科普类短文阅读会遇见较多的生词，在遇见生词的时候要学会根据上下文语境进行推理猜测其意思，减少语言的障碍，本文的关键在于细节的定位较为重要。
核心考点
试题【Like distance runners on a measured course，all of us will move through time in a】；主要考察你对题材分类等知识点的理解。[详细]
举一反三
Three experts have described how a teenage girl was struck by lightning while using her phone in a large London park．The girl，aged 15，recovered，but a year later was still wheelchair-bound and found to be suffering complex physical and emotional problems.
The girl also had a perforate eardrum(打孔耳膜)on the side where she had been holding the mobile phone．She was having general recovery in Northwick Park Hospital，Middlesex．
Swinda Esprit，a senior house officer, said that while the brain and muscle damage was similar to that of many lightning victims—who can experience heart attacks on being struck—the ear problems were not．
She said that the damages were particularly relevant for people who might be involved in less serious lightning incidents，who might otherwise recover, but would never get their full hearing back if struck while on the phone．
“We were shocked by the damage，which is why we wanted to draw attention to it，”Dr Esprit said．“A year on and she still was suffering these difficult hearing．”
They added that three other cases had been reported in newspapers in China，South Korea，and Malaysia．In the Malaysian case，a sales executive was killed by lightning while talking on his phone during a thunderstorm near Kuala Lumpur．
“All these events resulted in death，”the doctors wrote．“This rare phenomenon is a public health issue，and education is necessary to stress the risk．”
The Australian Lightning Protection Standard recommends that metallic objects，including cordless or mobile phones，should not be carried outdoors during thunderstorms．However, “the United States National Weather Service says on its website that both are safe to use “because there is no direct path between you and the lightening”．
Paul Taylor, of “the Met Office"’，said the ear injuries were a consequence of mobile phones being metal，and not related to radio waves．
Mr. Taylor said that mobile phones should be treated as another piece of metal，similar to carrying coins or wearing rings，and people need to be warned against the possible danger．
小题1:What do we know about the teenage girl?
| A．She was struck by lightning at schoo1． |
| B．She completely recovered from being struck． |
| C．She still suffered from mental problems． |
| D．She had to press her ear all day． |
| A．is more serious than that when one is not using a mobile phone |
| B．can be healed quickly except for heart attacks |
| C．is less serious because the victims can usually recover |
| D．is mainly in the brain and muscle of the victims |
| A．Because more people are faced with it． |
| B．Because some deaths have been caused． |
| C．Because lightning is harmful for the brain． |
| D．Because a teenage girl got killed． |
| A．both cordless and mobile phones are safe to use outside in lightning |
| B．there is no direct connection between lightning and ear injuries at all |
| C．opinions differ as to whether it is safe to use mobiles phones in lightning |
| D．ear injuries are the result of carrying coins or wearing rings in lightning |
| A．to draw attention to the risk of using mobile phones in lightening |
| B．to focus on various damages done to lightning victims |
| C．to tell us the news that a teenage girl was struck by lightning |
| D．to stress the danger of making phone calls in lightning |
[1]Keeping a busy social life among lots of friends may keep people slimmer than spending hours on a treadmill, according to scientists. They say that socializing and meeting with friends helps boost levels of ‘brown fat’ in the boby which burns calories to generate heat.
[2]Living in a stimulating, social environment was found to reduce abdominal fat in mice by half over four weeks, even if they ate more. US researchers say that social stimulation can
by converting white fat into brown, White stores calories and makes us fatter, while brown burns energy to generate heat .Converting white fat into brown is difficult, as we all know, normally requiring long term exposure to cold conditions or activating part of the body’s nervous system
[3]However, scientists from Ohio State University now think that having a busy social life is an even more effective way of changing white fat into brown, The team came up with their theory by studying the effects of various living environments on mice. Those who lived alongside a greater number of mice and had more space and toys to stimulate them lost far more weight over the course of the study than their ‘couch potato’ ones.
[4]Study author Dr. Mattew During, whose team’s findings appear in journal Cell Metabolism said: I’m still amazed at the degree of fat loss that occurs. Explaining how new technology had threatened face-to-face socializing, he added: ‘It’s not just a sedentary lifestyle and high calorie foods, but an increasing lack of social engagement.’
[5]Co-author Dr. Lei Cao said: ‘Loneliness is a profound factor for cancer and death; it’s on par with cigarette smoking. Social engagement is very important’.
小题1:What’s the main idea of this passage? (no more than 10 words)
小题2:Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)
小题3:What’s the purpose of the study of mice? (no more than 20 words)
小题4:How does socializing help make people slim? (no more than 15 words)
小题5:Translate the underlined sentence into Chinese.
Starting with the symbol of Morocco, Marrakech is a beautiful city that has remained unspoiled by the volume of tourists that flock there each year. One of the finest monuments in Morocco is greatly benefited by this amount of tourism. Actually their high volume contributes in a positive way to preserve one of the greatest monuments of Morocco.
Fes is the third largest city in Morocco and is the capital of the Fes-Boulemane Region. It is separated into three parts, Fes el Bali more commonly known as the old walled city, now classified as a UNESCO World Heritage Site, Fes-Jdid and the Ville Nouvelle. Fes el Bali is believed to be the largest car-free urban area in the world. Fes is a splendid place to visit to heighten the senses with the colours, smells and sounds.
Casablanca is an enormous city which is near the capital of Morocco and a place where any European would feel at home. Casablanca was made famous by the movie and gives the impression of being a romantic place. Unfortunately like many other popular cities around the world, it is crowded, noisy, and polluted, a far cry from the romantic ideal of the film. Because it has the biggest port, Casablanca being the important city of Morocco, has everything that the tourists need.
Asilah is a city situated on the Atlantic Ocean and is one of the most stunning(出色的) old cities of Morocco. The city is set along the cliffs which make it beautifully presented and an ideal place to continue adding to its economy by the fishermen. The economy is also reliant on the trading of cattle, sheep and cereal. If you are having a holiday in Morocco during August then you will be fortunate enough to experience one of Asilah’s cultural festivals where you can enjoy the lively music and wonderful paintings.
小题1:How many cities in Morocco are introduced in the passage?
| A．4. | B．5. | C．6. | D．7. |
| A．Marrakech. | B．Fes. | C．Casablanca. | D．Asilah. |
| A．If you want to enjoy music and paintings, you can visit Asilah at any time. |
| B．Casablanca is as romantic as what is shown in the movie. |
| C．Fes is the capital of Morocco. |
| D．Marrakech is the symbol of Morocco. |
| A．in a geography book | B．in a magazine |
| C．in a history book | D．in an atlas（地图册） |
“What day is it today?”she asks, in Mandarin(普通话的旧称) Chinese.
“Confucius’ birthday!”the fifth graders shout in Mandarin.
“Why do we celebrate Confucius’ birthday?”
“Because he’s the greatest teacher in the history of China!”exclaims a brown-haired girl. She too is speaking Mandarin.
English is rarely heard in Lisa Yang’s class at the Chinese American International School(CAIS), despite the fact that few students are native speakers of Mandarin.
The United States is actively trying to increase the group of students in“critical languages”such as Mandarin. The students at CAIS are way ahead in such a trend.
Mandarin explosion in America
Founded 25 years ago, this small private school in San Francisco, USA, does what few other American schools do: It produces fully fluent speakers of Mandarin Chinese, by far the most commonly spoken language in the world.
Mandarin Chinese is suddenly hot in American schools. As China becomes the world’s leading economy sometimes this century, schools in the U.S. are scrambling to add Mandarin to their roster of foreign languages or expand Chinese programs already in place.
“It really is almost unprecedented(无前例的). People are looking at China as a force to be reckoned with…And to ensure that the U.S. has the ability to conduct trade, and to work with the Chinese, certainly having an understanding of Chinese language and culture is an advantage,”said Marty Abbott of the American Council on the Teaching of Foreign Languages(ACTFL)(美国外语教学协会).
Cultural differences in teaching styles
To develop Chinese-language programs has not been smooth. A shortage of trained teachers has made it difficult for some schools to join the race. When schools do get teachers, they often hire them straight from China, and the teachers usually suffer culture shock when they come to the U.S.
Robert Liu remembers his first two years in an American classroom. It was not an easy adjustment. “In China, students respect their teachers,”he said. Liu found that American students, however, expect an active teaching style. He had to use games to engage them rather than lectures.
To avoid many of the problems with foreign teaching styles, the CAIS has been working with the Chinese government to improve training of teachers who are sent to the U.S.
小题1:Which of the following is the best title?
| A．Mandarin speaks to a growing audience in America |
| B．Chinese-language programs |
| C．Mandarin Chinese |
| D．The Chinese American International School(CAIS) |
| A．To adapt to the life there. |
| B．To communicate with the American students. |
| C．To get along well with the American students. |
| D．To be fit for the cultural differences in teaching styles. |
| A．climbing | B．rushing | C．changing | D．beating |
| A．the students in Lisa Yang’s class usually speak Chinese |
| B．there are few American students in Lisa Yang’s class |
| C．we celebrate Confucius’ birthday because he’s the greatest teacher in the history of China |
| D．in America the students don’t respect their teachers |
One day while walking through the woods, the nice old man found a cocoon（茧）of a butterfly．He took it home．A few days later, a small opening appeared; he sat and watched the butterfly for several hours as it struggled to force its body through that little hole．Then it seemed to stop making any progress．It appeared as if it had gotten as far as it could and it could go no farther．Then the man decided to help the butterfly, so he took a pair of scissors and cut off the remaining bit of the cocoon．
The butterfly then appeared easily．
But it had a swollen body and small, fragile wings．The man continued to watch the butterfly because he expected that, at any moment, the wings would enlarge and expand to be able to support the body, which would be smaller in time．Neither happened! In fact, the butterfly spent the rest of its life crawling （慢慢爬行）around with a swollen body and fragile wings．
It never was able to fly．
What the man in his kindness and hurry did not understand was that the limited cocoon and the struggle required for the butterfly to get through the tiny opening were Nature"s way of forcing fluid from the body of the butterfly into its wings so that it would be ready for flight once it achieved its freedom from the cocoon．
Sometimes struggles are exactly what we need in our life．If we were allowed to go through our life without any obstacles and difficulties, it would disable us．We would not be as strong as what we could have been．And we could never fly．
小题1:The butterfly could never fly because _______________．
| A．it was too fat and strong． |
| B．it loved crawling around． |
| C．it got out of the cocoon easily． |
| D．it didn’t get through the cocoon． |
| A．popular science | B．humorous stories． |
| C．successful people | D．philosophyevents |
| A．Life without any obstacles and difficulties is perfect． |
| B．Obstacles and difficulties contribute to success． |
| C．Never help a butterfly to get out of the cocoon． |
| D．A butterfly can never fly without going through the cocoon |
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