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  • 阅读理解
    根据短文内容，从下面的A-F选项中选出能概括每一段主题的最佳选项，并在答题卡上将该选项涂黑。选项中有一项为多余项。

    How to Become a Healthy Person?
    小题1:
    The following are some healthy lifestyle tips that will help you on how to be a healthy person. We all know that our minds control our actions, and so does our thoughts, and this is why the happy and optimistic people live longer and healthier! In this modern world, we often pay more attention to the negative（负面的，消极的） than the positive! Believe it or not,the more negative thoughts you have in your mind,the more outcomes of you efforts will be.No matter what the situation is, you need to change your thoughts and practice to pay attention to the positive.
    小题2:
    You need to give enough rest to your body and mind which will only come from a good sound eight hours sleep. This will not only make your body and mind fresh,but also make you more active and relaxed. Some tips for better sleep would be to stay away from such things as so-called “energy drinks”. If you want real health, sleep is all you need to have.
    小题3:
    Have you seen the group of old people in the park who form a round circle and start laughing as if they would win a million dollars for it ? No matter how funny it looks, the benefits of laughter are a way beyond our imagination. If you feel like smiling, just smile! No matter what, wear that beautiful smile on your lips and make sure it is always there.
    小题4:
    Eating healthy foods and balancing it with the right amount of exercise is extremely important. Try to eat as much fruit and vegetables as possible. Such food makes you feel light and active! Wake up early in the morning and start with proper exercise.A 30-minute walk or run will not only make you physically healthy and active, but also make you more flexible and your mind smart.
    小题5:
    The way you look upon yourself is the way you look upon your life. It is very important for a person to have self-esteem(自尊)， for it is your attitude that decides your life. No matter what you have done so far, it’s the way you look upon yourself that really matters. Think what person you want to be and keep to it. Work hard towards becoming the person you want to be.

    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 “根据短文内容，从下面的A-F选项中选出能概括每一段主题的最佳选项，并在答题卡上将该选项涂黑。选项中有一项为多余项。How to Become a Healthy Person?小题1...” 主要考查您对

序数词

等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
  • 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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