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    Pleasant Dreams

    　　Dreams(梦) may be more important than sleep. Some people don't need very much sleep. But we all need to dream, scientists( 科学家)say.

    　　Dreams take up about one quarter of our sleeping time. People have several dreams each night. Dreams are like short movies. They are usually in color. Some dreams are like old movies. They come to us over and over again. That may be because the dreamer is worrying about something. Dreaming may be a way of trying to find an answer.

    　　Some people get new ideas about their work from dreams.They could have been thinking about their work all day. These thoughts can carry over into dreams.

    Sometimes we wake (醒) up with a good feeling from a dream. But often we can't remember the dream. Dreams can disappear(消失)quickly from memory.

    　　Too much dreaming can be harmful. The more we sleep, the longer we dream. The mind (头脑) is hard at work when we dream. That is why we may have a long sleep and still wake up tired.

    1．The main idea of the story is that ________.

    [　　]

    A．people need to dream

    B．people like to sleep

    C．dreams are like movies

    		 　

    2．Another title for the story could be ________.

    [　　]

    A．“Secret Dreams”

    B．“The Longest Sleep”

    C．“All About Dreams”

    		 　

    3．It may be more important to dream than to ________.

    [　　]

    A．think

    B．sleep

    C．work

    		　

    4．Dreams and movies are usually ________.

    [　　]

    A．very long

    B．in color

    C．about work

    		 　

    5．Which of these ideas is in the story?

    [　　]

    A．We always remember dreams.

    B．All dreams are happy.

    C．Long dreams can make you tired.

    		　

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    阅读理解

    　　Sleep is very important．A person who does not sleep dies faster than a person who does not eat．We spend about a third(1/3)of our lives in sleep．That's about 121 days a year!

    　　How much sleep do we need?We are all different．A baby needs 16 hours of sleep every day．Children 6 to 12 years old need an average(平均)of 10 to 12 hours of sleep．Teenagers need 9 to 10 hours of sleep．An adult needs an average of 7 to 8 hours a night．There are some people who need only 3 hours of sleep．Others need 10 hours of sleep．After the age of 50, the average sleep time goes down to 6.5 hours a night．We need less sleep as we get older．

    　　About one in three Americans has a problem with sleep．Many of these people cannot fall asleep．The name of this problem is insomnia．Some people say,“I didn't sleep all night．”But that's not really true．They may sleep lightly and wake up several times．In the morning, they only remember the times they were awake(醒着), so they think they were awake all night．

    　　This is not a new problem．Many famous people in history had insomnia．Some of these people had special ideas to make them sleep．Benjamin Franklin had four beds．He moved from one to the other to fall asleep．Mark Twain had a different way．He lay on his side across the end of the bed!

    (1)

    If you are thirteen years old, you need at least ________ hours of sleep．

    [　　]

    A．

    16

    B．

    12

    C．

    9

    D．

    7

    (2)

    What does“insomnia”mean in this passage?

    [　　]

    A．

    No sleep．

    B．

    Bad sleep．

    C．

    Slow sleep．

    D．

    Sleep with many dreams．

    (3)

    Which of the following is true according to the passage?

    [　　]

    A．

    We will die soon if we don't sleep well．

    B．

    The older we get, the less sleep we need．

    C．

    We can tell a person's age from his sleep time．

    D．

    Famous people move from one bed to the other to fall asleep．

    (4)

    Which would be the best title for this passage?

    [　　]

    A．

    Sleep More!

    B．

    Go to Sleep!

    C．

    Age and Sleep Time

    D．

    Famous People and Sleep

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