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   [1] Have you ever had the wish to live another 100 years or more? Experts say that scientific advances will some day enable us to live tens of years longer than what is now seen as the natural limit of the human life span.

   [2] “I guess we are knocking at the door of living longer,” said Michael Zey, a Montclair State University business professor and author of two books on the future. "I think by 2075 we will            _________________ and that’s a conservative estimate (保守的估计)."

[3]At the conference in San Francisco, Donald Louris, a professor at New Jersey Medical School in Newark said advances in using genes as well as nanotechnology (纳米技术) make it likely that humans will live in the future beyond what has been possible in the past. "There is a great push so that people can live from 120 to 180 years," he said.

   [4]However, many scientists who specialize in ageing are doubtful about it and say the human body is just not designed to live past about 120 years. Even with healthier lifestyles and less disease, they say failure of the brain and organs will finally lead all humans to death.

   [5]Scientists also differ on what kind of life the super aged might live. "It remains to be seen if you pass 120, you know; could you be healthy enough to have a good quality of life?" said Leonard Poon, director of the University of Georgia Gerontology Centre. "At present people who could get to that point are not in good health at all."

1. What is the main idea of the passage? (no more than 10 words)

_____________________________________________________________________

2. Please fill in the blanks in the second paragraph with proper words. (no more than 5 words)

____________________________________________________________________

3. According to Donald Louris, what will enable humans to live longer? (no more than 8 words)

_____________________________________________________________________

4. What does the word “it” (Line1,Paragraph4)probably refer to? (no more than 10 words)

_____________________________________________________________________

5. What did Leonard Poon worry about? (no more than 15 words)

______________________________________________________________________

Imagine this situation. You pass a group of people. The people are talking to each other. You cannot hear what they are saying. But suddenly they start laughing. What would you think? Would you think they were laughing at something funny that one of them said? Or—be honest with yourself—would you think they were laughing at you? Yes, you.

Being laughed at is a common fear. But a major study published in two thousand and nine found that this fear is not the same around the world. It differs from culture to culture.

People in Finland were the least likely to believe that people laughing in their presence were making fun of them. Less than ten percent of Finns in the study said they would think that, compared to eighty percent of people in Thailand.

Some people in the study said they felt unsure of themselves in social situations but hid their feelings of insecurity. Others said they avoided social situations where they had been laughed at before.

The study found that people in Turkmenistan and Cambodia were more likely to be in the first group. They would hide their feelings of insecurity if they were around other people’s laughter. But people in Iraq, Egypt and Jordan were more likely to try to avoid such situations if they felt they had been laughed at before.

Shy people often avoid situations that would force them into close contact with other people. They worry that something they say or do will make other people laugh at them. But some people worry much more than others. They may have a disorder called gelotophobia. Gelos is a Greek word. It means laughter. Phobia means fear. This fear of laughter can be truly sad for those who live with it. It can affect how they lead their lives.

In the study, a team from the University of Zurich led more than ninety researchers from around the world. They wanted to understand the difference between normal shyness and true gelotophobia. Another purpose of the study was to compare the levels of fear of being laughed at in different cultures. The researchers surveyed more than twenty-two thousand people in forty-two different languages. The findings appeared in the scientific journal Humor.

1.People in Finland don’t believe other people are making fun of them if               .

    A. they suddenly start to laugh     

B. they keep on laughing

    C. they laugh in their presence     

D. they stop laughing suddenly

2.What’s FALSE of the study led by a team from the University of Zurich?

A. They wanted to study the difference between normal shyness and true gelotophobia.

    B. They wanted to compare the levels of fear of being laughed at in different cultures.

    C. They did such a survey in order to prevent people from being laughed at in public.

    D. They surveyed more than 22 thousand people coming from different cultures.

3.The passage is likely to occur in               .

A. an advertisement  B. a science magazine 

C. a science fiction    D. a storybook

4.According to the passage, people who suffer from gelotophobia               .

    A. care more about being laughed at by others

    B. shouldn’t hide their feelings of insecurity

    C. should avoid having close contact with other people

D. will lead a happy life so long as they care

How can you pass the examination_____ you never attended class?
     A. in case           B. even if           C. unless            D. when

Do you wake up every day feeling too tired, or even upset? If so, then a new alarm clock could be just for you．

The clock, called SteepSmart, measures your sleep cycle, and waits ____（36） you to be in your lightest phase of sleep ____（37） rousing you．Its makers say that should ______（38） you wake up feeling refreshed every morning．As you sleep you pass____（39） a sequence of sleep states---light sleep, deep sleep and REM（rapid eye movement） sleep---that ____（40） approximately every 90 minutes．The point in that cycle at which you wake can ____（41） how you feel later, and may ____（42） have a greater impact than how much or little you have slept．Being roused during a light phase ____（43） you are more likely to wake up energetic．

SleepSmart ____（44） the distinct pattern of brain waves _____（45） during each phase of sleep, via a headband equipped _____（46） electrodes and a microprocessor．This measures the electrical activity of the wearer’s brain, in much the ____（47） way as some machines used for medical and research ____（48）, and communicates wirelessly with a clock unit near the bed．You ____（49） the clock with the latest time at _____（50） you want to be wakened, and it _____（51） duly wakes you during the last light sleep phase before that．

The _____（52） was invented by a group of students at Brown University in Rhode Island ____（53） a friend complained of waking up tired and performing poorly on a test．“_____（54） sleep-deprived people ourselves, we started thinking of _____（55） to do about it．” Says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by students to develop their idea．

---- Did you pass the driving test?

---- No. I ______ it, but I had little time practicing.

A．could have passed                      B．must have passed

C．can’t have passed                      D．shouldn’t have passed