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高中一年级英语

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    Healthy habits for living longer
    By keeping your daily habits healthy, you can add years to your life. Here are some tips for living longer.
    Keep daily habits healthy. Many of us are set in our daily habits. We eat the same meal, wear the same clothes, take the same route to work and work the same old job. But what we sometimes fail to recognize is the huge influence that our daily habits can have on our health. It is very important for us to keep our daily habits healthy.        小题1:      
    Take some exercise every day. Daily exercise does improve our health. In fact, studies show that daily exercise can add three years to our life. Opportunity for exercise is everywhere—just be creative. Whenever we can, walk to work.         小题2:      It’s really that simple.
    Eat a healthy breakfast. Researchers have found that those who eat an early morning meal are less likely to be too fat and get diseases compared with those who don’t.        小题3:       
    All in all, eating breakfast is a great and healthy way to start our day.
    Have enough sleep.        小题4:      Failing to get at least seven hours of sleep appears to increase the risk of major illnesses including cancer, heart disease, diabetes and many more.
    Get chances to communicate.        小题5:      Any social communication can positively affect our physical and mental well-being because we can have more time and chances to communicate with others. All of these can add years to our lives.
    A.A lack of quality sleep can shorten our life.
    B.Exercise also helps us keep away from illnesses.
    C.If we live or work in a tall building, just take the stairs.
    D.Breakfast-eaters also report feeling better both mentally and physically.
    E. There’s an old saying that says a good friend is cheaper than treatment.
    F. Finding time for structured exercise can be pretty much impossible for many people.
    G. By making just a few small changes and sticking to them, we can add a few years to our life.

    本题信息:英语阅读理解难度一般 来源:未知
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本试题 “Healthy habits for living longerBy keeping your daily habits healthy, you can add years to your life. Here are some tips for living longer.Keep dai...” 主要考查您对

序数词

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  • 序数词

序数词的概念:

表示顺序的数称为序数词。如:first, second, third, fourth。


序数词的构成与用法

1、序数词的构成:
①一般来说,是由相应的基数词加词尾th构成。
   例:four+th→fourth
           six+th→sixth
           seven+th→seventh
           ten+th→tenth
②下面这些基数词在变为序数词时,有特殊的变化。
例:one→first
        two→second
        three→third
        five→fifth
        eight→eighth
        nine→ninth
        twelve→twelfth
③十位整数序数词的构成方法是将基数词的词y变成i,然后再加eth。
例:twenty→twentieth
        thirty→thirtieth
        forty→fortieth
        ninety→ninetieth
④两位或两位以上的基数词变成序数词时,仅将个位数变成序数词。
例:twenty-one→twenty-first
        thirty-five→thirty-fifth
        a hundred and fifty-three→a hundred and fifty-third

2、序数词的用法:
①序数词在使用时,一般加上定冠词。
例:the first book
        the second floor
        the third day
        the fourth week.
②序数词在多数情况下都用作定语,有的也可以作表语、主语和宾语。
例:The may1st is Labour Day. 五月一日是劳动节。
        My room is on the second floor. 我的房间在二楼。
        The first is larger than the secon.(主语)第一个比第二个大。
        Read the book from the first.(宾语)从开头读这本书。
        You'll be the sixth to write.(表语)你将是第六个写的。
③序数词的前面可以加上不定冠词,用来表示“再一”,“又一”的意思。
例:You may have a third try. 你可以第三次尝试。


序数词知识体系:

 


约数的表达方法

用tens/dozens/scores/hundreds/thousands/millions of 表示“几十、几百、上千、成千上万”等。
如:The boy bought dozens of pencils.            
        Thousands of people died in the earthquake.
注意: (A):dozen, score, hundred, thousand, million等表示确切数量时,不用复数。
如:five dozen (of) eggs   五打鸡蛋
        hree hundred people  三百个人

分数词的构成和用法:

1)分数词构成法:
分数词(FractionalNumerals)由基数词和序数词构成,基数词代表分子,序数词代表分母。除了分子为1的情况下,序数词都要用复数形式:
如:1/4:one-fourth
        5/9:five-ninths
        2/3:two-thirds
       17/5:three and two-fifths
       7/12:seven-twelfths
       379/8:forty-seven and three-eighths
此外还有下面表示法:
如:1/2:a(one) half
        1/4:a(one) quarter
        3/4:three-quarters
        9/4:two and a quarter
        3/2:one and half
        31/4:seven and three quarters


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