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     If you ________ smoke, please go outside.

       A. can                            B. must                        C. should                    D. may

    B

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    科目：高中英语 来源：河南省郑州市智林学校2009-2010学年高二下学期阶段测试英语试题（二） 题型：阅读理解


    For years , many people would not believe that smoke could attack so many parts of the body in so many ways . Study shows , however , that tobacco isn’t one single thing .  At least 60% of it is gas—20 different kinds of gas . And one of these is the deadly carbon monoxide (CO) （一氧化碳）.
    In factories , the amount of this gas in the air is measured , and it must be kept under fixed , safe level . But there is 640 times this safe amount in cigarette smoke .
    Oxygen is carried through your body by the red blood cells . But this poison gas , CO, will get to the blood cells before the oxygen can . So , if you smoke your blood carries five to ten times more of this deadly gas than is normal . To make up for this , your body must make more red cells .
    The oxygen in your blood passes into your tissues（组织）. But here again CO makes trouble . It keeps the oxygen from passing into your tissues as fast as it should . Because of this , cigarette country is always about 8000 feet above sea level . Someone who smokes and lives at sea level gets as little oxygen as a nonsmoker at an altitude（高度）of nearly two miles .This happens to everyone who smokes , no matter how old or how young . Anyone who competes in sports can tell you that those who smoke run out of breath more quickly than those who do not .
    1．The gas amount in cigarette smoke is______________.
    A．640 times higher than the gas safe levels in factories
    B．640 times lower than the gas safe levels in factories
    C．640 times as much as that in factories
    D．as dangerous as that in factories
    2．If you smoke , ______________ .
    A．your blood carries more oxygen than is normal
    B．your blood carries much more CO than is normal
    C．you can have five to ten times of blood than usual
    D．your blood will be poisonous
    3．Those who smoke______________.
    A．all live at sea level
    B．don’t live at an altitude of two miles
    C．breathe as much oxygen as non-smokers
    D．only get the same amount of oxygen at the sea level as non-smokers at an altitude of nearly 2 miles
    4．Smokers are______________.
    A．easily hurt              B．easily excited      C．easily tired         D．healthy

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    科目：高中英语 来源：2011年安徽省舒城中学高一入学考试英语试卷 题型：阅读理解

    When thinking about quitting(停止) smoking…
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    If you miss the feeling of having a cigarette in your hand, play with something else - a pencil, a pen, a ruler. If you miss having something in your mouth, try a fake (仿制的) cigarette.
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    C．If you miss the feeling of having a cigarette in your mouth, play with a pen.
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    C．should drink a lot of wine D．should not do any exercise
    【小题3】According to the passage, what does the underlined word “prohibited” mean?
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    科目：高中英语 来源：广东省桂洲中学2010届高三上学期第三次月考 题型：填空题


    第二节 信息匹配（共5小题；每小题2分，满分10分）
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    60．Douglas: If there were some ways to stop a smoker from affecting others, I wouldn't object to smoking! Secondhand smoke does great harm to non-smokers, especially to children, who are much more sensitive than adults.

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    For years , many people would not believe that smoke could attack so many parts of the body in so many ways . Study shows , however , that tobacco isn’t one single thing .  At least 60% of it is gas—20 different kinds of gas . And one of these is the deadly carbon monoxide (CO) （一氧化碳）.

    In factories , the amount of this gas in the air is measured , and it must be kept under fixed , safe level . But there is 640 times this safe amount in cigarette smoke .

    Oxygen is carried through your body by the red blood cells . But this poison gas , CO, will get to the blood cells before the oxygen can . So , if you smoke your blood carries five to ten times more of this deadly gas than is normal . To make up for this , your body must make more red cells .

    The oxygen in your blood passes into your tissues（组织）. But here again CO makes trouble . It keeps the oxygen from passing into your tissues as fast as it should . Because of this , cigarette country is always about 8000 feet above sea level . Someone who smokes and lives at sea level gets as little oxygen as a nonsmoker at an altitude（高度）of nearly two miles .This happens to everyone who smokes , no matter how old or how young . Anyone who competes in sports can tell you that those who smoke run out of breath more quickly than those who do not .

    1．The gas amount in cigarette smoke is______________.

    A．640 times higher than the gas safe levels in factories

    B．640 times lower than the gas safe levels in factories

    C．640 times as much as that in factories

    D．as dangerous as that in factories

    2．If you smoke , ______________ .

    A．your blood carries more oxygen than is normal

    B．your blood carries much more CO than is normal

    C．you can have five to ten times of blood than usual

    D．your blood will be poisonous

    3．Those who smoke______________.

    A．all live at sea level

    B．don’t live at an altitude of two miles

    C．breathe as much oxygen as non-smokers

    D．only get the same amount of oxygen at the sea level as non-smokers at an altitude of nearly 2 miles

    4．Smokers are______________.

    A．easily hurt                  B．easily excited      C．easily tired            D．healthy

     

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    科目：高中英语 来源：2012届度安徽省高三上学期第一次月考英语题 题型：单项填空

    If you _____ smoke, please go outside because this is a non-smoking office.

    A. must             B. should           C. can              D. may

     

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