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Read the following article and select the best answer. Article: American researchers say drinking tea may help strengthen the body's defense system against infection. Doctors at Brigham and Women's Hospital in Boston, Massachusetts, did the study. The team studied a chemical found in black, green, oolong and pekoe tea. This chemical is an amino acid called L-theanine. The scientists say it may increase the strength of gamma delta T cells. That's the letter T, not the drink. Gamma delta T cells are part of the body's defense. First, the researchers mixed some of these cells with antigens found in the amino acid . Antigens help the body react to infection. Then the scientists added some bacteria. Within twenty-four hours, the cells produced a lot of interferon, a substance that fights infection. Cells not mixed with the antigens did not produce interferon. In the second part of the study, eleven people drank five to six cups of black tea every day. Ten other people drank the same amount of instant coffee. That is dried coffee mixed with hot water. Two weeks later, and again two weeks after that, the researchers tested the blood of all twenty-one people. They also looked at what happened when they added bacteria to the blood cells. They found that the tea drinkers produced five times more interferon after they started drinking tea. The coffee drinkers did not produce interferon. Doctor Jack Bukowski led the study. He says the antigens added to the gamma delta T cells were responsible for the increased reaction to the bacteria. He says that the study also showed that the cells were able to remember the bacteria and fight them again the next time. Earlier research already has found that tea can help prevent heart disease and cancer. Doctor Bukowski says the new study must be repeated by more people. "If the findings prove to be true," he says, "then tea drinking might also help protect against bacterial infections." He says the amino acid L-theanine could be removed from the tea and used as a drug to strengthen the body's defenses. Question: What would be the best title for this text? - Tea Is Better than Coffee - Our Body Needs Tea - Tea Can Help Prevent Cancer - Tea May Help Fight Infection
**Answer**
Tea May Help Fight Infection

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Read the following article and select the best answer. Article: Have you ever walked to the shops, only to find when you get there that you've completely forgotten what you go for? Or have you struggled to remember the name of an old friend? For years, we've accepted that a forgetful brain is as much a part of aging as wrinkles and grey hair. But now a new book suggests we've got _ all wrong. According to The Secret Life Of The Grown-up Brain, by science writer, Barbara Strauch, our brains actually get better with age. In fact, she argues many new studies have found that the brain hits its peak between our 40s and 60s --much later than previously thought. Furthermore, not losing many brain cells as we age, we preserve them, and even produce new ones well into middle age. For years it's been accepted that the brain, much like the body, got worse with age. But the longest, largest study into what happens to people as they age suggests otherwise. This continuing research has followed 6,000 people since 1956, testing them every seven years. It has found that, on average, they performed better in cognitive tests in their late 40s and 50s than they had in their 20s. Specifically, older people did better in tests of vocabulary, spatial orientation skills, verbal memory (how many words you can remember) and problem solving. Where they were weaker was in numeracy (how quickly one can multiply, add, subtract and divide) and the speed at which they could move. However, with harder tasks, such as problem-solving and language, we are at our best at middle age and beyond. In short, researchers are going to come up with scientific evidence that we do get wiser with age. Question: What is the author's purpose of writing this passage? - To suggest ways to preventing aging. - To help us know more about brain cells. - To introduce a new research about aging. - To tell us that we can get wiser with age.
**Answer**
To tell us that we can get wiser with age.

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Read the following article and select the best answer. Article: There are only 24 hours in a day,but people can use the time wisely. In other words,effective time management is important if you want to succeed. Knowing the importance of daily matters is the first step towards good time management. Write down the things that you want to do and organize them according to their level of importance. The important thing should be done first. If there are too many things that have to be done in one day, then you have to give up doing something that is less important on your list. Besides this,you need to spend a specific amount of time doing all the activities you have written down and make sure you finish them on time. People often slow down in their work even though they know that time will never wait for them. Make sure you keep to your plan and finish the tasks one by one. Do not try to do too many things at once. Also,you can group similar activities together and do them one by one. For example, you can group all the tasks you need to do in the office together and do them while you're in office. Do all the tasks that have to be done in one place first, and then move to the next place to do the other tasks. "The bad news is that time flies. The good news is that you're the pilot, "said Michael Althsuler. Your future is in your hands,so remember to invest your time wisely from today on. Question: The text is mainly about _ . - the importance of time management - ways to manage time effectively - ways to organize daily activities - the importance of doing tasks on time
**Answer**
ways to manage time effectively

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Read the following article and select the best answer. Article: Now net fiction ,also called computer fiction is popular in more than 80 countries. To write computer fictions,the writers don't have to think about making any plot.Like reporters,they just go to a lot of places and collect materials:what most women want,their ideas about life and love,their happiness and sufferings and emotions.All these materials are fed into the computer to be processed and classified .Then the writers just pick some materials from every part and fill in some details and a story is made up. The first computer fiction was edited by 13 editors and published in Canada in 1976.It was a great success and 45 million copies were sold.Seeing this new process as profittaking a big American publishing company bought over the majority of the 13 Canadian editors and soon a series of computer fictions were published in the United States. All the computer fictions have very romantic titles.The heroine is always about 20,while the hero is a 30 to 40 bachelor ,handsome,with money and power.The hero and the heroine have a happy reunion after all kinds of misunderstandings .Computer fictions are enjoyed by most women readers of the west.But people doubt if they have any literary value . Question: When writing computer fictions,the writers_. - think hard - collect materials from many places - express what they want to - describe women's sufferings and emotions
**Answer**
collect materials from many places