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    阅读理解
                                                             Blood Donation(献血)
         A grown-up person has ten or eleven pints of blood inside his or her body. We can lose a pint of
    blood without feeling anything, but if we lose too much blood, we will feel weak and cold. Our faces
    become pale(苍白的). We may die. This is what often happens when somebody is hurt in an accident,
    or a soldier is hurt in a war. Many people used to die in this way. But today they can be taken to hospital
    and given more blood. Almost at once they feel better. Their faces are no longer pale. They do not die.
         Where does the blood come from? People who are healthy may donate blood to a blood bank so
    that it can be used to save people's lives. When they go to donate blood, a special kind of needle(针)
    is put into the arm. It does not hurt. The blood runs through the needle and through a rubber tube
    (橡胶管) into a bottle or a bag. A pint of blood is taken this way. The person who has given blood
    drinks a cup of tea or coffee and rests for a few minutes. Then he feel quite well. And he may give his
    blood this way three months later.
         A person who gives blood feels happy, because he knows that his blood will be used to save
    someone's life. Perhaps one day he himself will need blood.
         When you are older, you may give blood, too. But you cannot do this until you are eighteen.
    1. There are __________ pints of blood in a grown-up body.
    A. three
    B. a lot of
    C. more than eleven
    D. ten to eleven
    2.A person who loses a lot of blood may die. But if he is given some blood, he __________.
    A. may die
    B. may feel better slowly
    C. feels weak and ill
    D. feels better very quickly
    3. A person who has given blood can give blood again after __________.
    A. a few minutes
    B. three months
    C. drinking a cup of tea or coffee
    D. eighteen months
    4. A person cannot give blood if he is __________.
    A. healthy
    B. unhappy
    C. under eighteen
    D. too fat
    5.Which of the following is TRUE?
    A. People who are not healthy enough can't donate blood.
    B. The person who has given blood mustn't drink tea.
    C. If a person loses a pint of blood, he'll feel weak and die.
    D. People give blood so that they can be healthier.
    1-5 DDBCA
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