Since the gene, called DAF-16 in worms, was found in many animals and in humans, the finding could open up new ways to affect aging, immunity(免疫)and resistance in humans, the scientists said.
“We wanted to find out how normal aging is being governed by genes and what effect these genes have on other traits, such as immunity,” said Robin May of the University of Birmingham, who led the study.
Populations across the world are aging at a surprising pace, bringing potentially big challenges for health and social care systems. A study by Danish scientists last year found that half of babies born in the rich world today will live to celebrate their 100th birthdays. Scientists are eager to find out how people age to try to develop drugs to help them stay healthier as their lives extend.
“What we have found is that things like resistance and aging tend to go hand in hand,” May said in an interview.
May’s team compared longevity, stress resistance and immunity in four related species of worm. They also looked for differences in the activity of DAF-16 in each of the four species, and found that they were all quite distinct.
May said DAF-16 was active in most cells in the body and was very similar to a group of human genes called FOXO genes, which scientists believe play a role in the aging process.
“The fact that subtle（微妙的）differences in DAF-16 between species seem to have such an impact on aging and health is very interesting and may explain how differences in lifespan and related traits have arisen during evolution,” May said.
64. In which section may the text appear in a newspaper?
A. Education. B. Science. C. Entertainment. D. Culture.
65. What can we know from the third paragraph?
A. New ways have been found to affect aging. B. Babies in the rich world will all live longer.
C. Present social care systems are poorly managed.
D. Aging populations are causing more challenges.
66. From the text we know that DAF-16._________
A. is a gene that is only found in worms B. can make people live longer
C. has an effect on aging and immunity D. has been quite familiar to scientists
67. What can be the best title of the passage?
A. Scientists Find Gene Linked to Aging B. Population Aging Faster than Expected
C. How to Make People Live Longer D. Gene Determines How Long We Live
I will probably remember one June day seven years ago for the rest of my life. My father had been complaining that my brother and I were watching too much TV, but we ignored him. Then one day we came home and the television was gone.
When I asked my father about the missing TV, he said watching television was a waste of time. Without it, we would have time for other things.
I decided he was wrong. Is there life without TV? How can we spend the week without all those shows and soaps? I was sure my life would be boring without TV, I used my best debating skills to argue with him, but he would not give in.
However, I found other ways to spend my time finally, Each day I ran around the street. This reminded me of my love for athletics, which I still enjoy. I joined Volunteers, and I built lasting friendships. Most importantly, I discovered an artistic world I never knew. I started taking art contests, and was shocked when I won. Then I took piano lessons. I began to like listening to AM radio, reading news magazines.
Living without TV has taught me how to manage my time, so that I can do many things in one day. I am proud to have learned I don’t need television.
Looking back, I think my father did the right thing. “You are smart. You could do anything that you put your heart to.” he used to say. He believed in us. His actions showed me a much more colorful side of life without TV and the value of having a goal and sticking to it.My father was angry and took the television away because _______.
| A．we asked him to do so |
| B．my brother and I did not need it |
| C．he needed some money |
| D．my brother and I watched too much TV |
What did I do after the TV was missing?
| A．I went to my friend’s house to watch TV. |
| B．I stayed at home all day. |
| C．I asked my father to buy a new television. |
| D．I did many useful things. |
_______ is NOT what I did after the TV was missing?
| A．Running around the street |
| B．Sleeping day in and day out |
| C．Listening to the radio |
| D．Taking art contests |
The author mainly tells us that _______.
| A．life without TV can be very colorful |
| B．life would be boring without TV |
| C．people can’t spend the week without shows and soaps |
| D．watching television was a waste of time |
In early autumn I applied for admission to college. I wanted to go nowhere but to Cornell University, but my mother fought strongly against it. When she saw me studying a photograph of my father on the sports ground of Cornell, she tore it up.
“You can’t say it’s not a great university, just because Papa went there.”
“That’s not it at all. And it is a top university.” She was still holding the pieces in her hand. “But we can’t afford to send you to college.”
“I wouldn’t dream of asking you for money. Do you want me to get a job to help support you and Papa? Things aren’t that bad, are they?”
“No,” she said. “I don’t expect you to help support us.”
Father borrowed money form his rich cousins to start a small jewellery shop, His chief customers were his old college friends. To get new customers, my mother had to help. She picked up a long-forgotten membership in the local league of women, so that she could get to know more people. Whether those people would turn into customers was another question. I knew that my Parents had to wait for quite a long time before their small investment (投资) could show returns. What’s more, they had not wanted enough to be rich and successful ；Otherwise they could not possibly have managed their lives so badly.
I was torn between the desire to help them and change their lives, and the determination not to repeat their mistakes. I had a strong belief in my power to go what I wanted. After months of hard study I won a full college scholarship（奖学金）.My father could hardly contain his pride in me, and my mother eventually gave in before my success.The author was not allowed to go to Cornell University mainly because .
| A．his father graduated from the university |
| B．his mother did not thinks it a great university |
| C．his parents needed him to help support the family |
| D．his parents did not have enough money for him |
The father started his small shop with the money from .
| A．a local league | B．his university |
| C．his relatives | D．his college friends |
Why did the mother renew her membership in the league?
| A．To help with her husband’s business |
| B．To raise money for her son |
| C．To meet her long-forgotten friends |
| D．To better manage her life |
According to the text, what was the author determined to do in that autumn?
| A．To get a well-paid job for himself |
| B．To improve relations with his mother |
| C．To go to his dream university |
| D．To carry on with his father’s business |
Student Membership--Cambridge Arts Cinema
Cambridge Arts Cinema is one of the art houses in Britain and home of the internationally celebrated Cambridge Film Festival. Since 1947 generations of students have discovered the wealth of world cinema. Now you too can make most of it and save money.
Which of the following is the most famous event held at Cambridge Arts Cinema?
| A．The Cambridge Film Festival. |
| B．Meetings with filmmakers. |
| C．The preview screening. |
| D．Monthly premieres. |
If you're a member of Cambridge Arts Cinema, you will enjoy free__________.
| A．Darkroom Gallery shows | B．mailed programmes |
| C．special film events | D．film shows |
How long will the membership for Cambridge Arts Cinema last?
| A．Four months. | B．Eight months. |
| C．Nine months. | D．One year. |
For what purpose is the text written?
| A．Offering students cheaper tickets． |
| B．Announcing the opening of a premiere. |
| C．Telling the public of the cinema's address. |
| D．Increasing the cinema's membership. |
“TODAY is a dream comes true. I have always wanted to be a Grand Slam (大满贯) champion.”
These are the words of Chinese tennis player Li Na after she became the first Asian woman to win a Grand Slam final in the French Open on June 4.
“People were saying I’m getting old. So this is a great success for such an old woman,” the 29-year-old joked.
This is the way that Li usually fights doubts– by being humorous and sharp. “China’s number one sister” is never a pushover (软弱的人).
She has a tattoo (纹身). She has dyed (染色) her hair many different colors. And, at the 2008 Beijing Olympics, she told her fans to “shut up” when they got too noisy in their support.
Li started to play tennis at the age of 6. She once recalled: “As a child, I felt sad because every day I had to wake up early to practice. After school I had to practice more. I didn’t have time to play.”
Luckily, the tough girl didn’t give up, thus making history for Chinese tennis time after time.
Now the new champion is already thinking about winning another Grand Slam title. Her next stop is Wimbledon – the European grass court championship that starts later this month.
“When you have one title, naturally you will think about another,” she says, not hiding her ambition.
“Chinese people are so lacking in confidence on the tennis court. If there is a person like me who can prove we can do it, the other young players in China will feel the same,” she said.Li Na is _________.
| A．a basketball player | B．a table tennis player |
| C．a tennis player | D．a soccer player |
Li Na is the first Asian woman to win a Grand Slam final in______.
| A．the Australian Open Tennis Championships |
| B．the Wimbledon Championships |
| C．the French Open |
| D．the American Open |
From the passage, we know Li Na is ______.
| A．outgoing | B．fashionable | C．tough | D．All above |
Li Na thinks that Chinese people need _______ in most.
| A．independence | B．ability | C．confidence | D．ambition |
Henry works in a factory. He comes from a poor family and was in school for only four years. He has to do the hard work, but he is paid less. He likes to watch football matches very much and spends much time on them.
One afternoon there was a big football match on the playground. He borrowed some money from his friend and hurried there. There were a lot of people there. And all the tickets were sold out. He was sorry for it. He saw a pole outside the playground and climbed it quickly. A policeman came and said, “It is dangerous to stay on it! Come down!”
“Wait a minute, please!” Henry said and just at that moment the policeman heard cheers on the playground and asked in a hurry, “which team has kicked a goal?” “Ours!” “Wonderful! You can stay there. But take care!” The policeman said happily and left. When the match would be soon over, he came back again and asked, “who has won?” “Theirs, 3:2.” “Come down,” the policeman said angrily. “ Such a match is not worth watching!”
Henry had to come down. But soon they heard cheers again. The policeman said in a hurry, “Climb up quickly and see who has kicked a goal.”From the passage we know that _________.
| A．Henry doesn’t like his work |
| B．Henry comes from a rich family. |
| C．Henry is paid less |
| D．Henry doesn’t like the policeman |
Henry failed to get a ticket for the match that day because ___________.
| A．all the tickets were sold out |
| B．he didn’t want to buy a ticket |
| C．he had no time to buy a ticket |
| D．he had no money to buy a ticket |
The policeman asked Henry to come down the pole at first because ____________.
| A．the other team kicked a goal | B．Henry had no ticket |
| C．their team kicked a goal | D．it was dangerous |
From the third paragraph, we can guess that _____________.
| A．the policeman wanted to teach Henry a lesson. |
| B．the policeman was also a football fan. |
| C．the policeman didn’t like Henry. |
| D．the policeman tried to please Henry |
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