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高中三年级英语

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    Many of us suffer needlessly when it comes to our well-being or physical health. In most cases this can be attributed to a lack of knowledge about our lifestyle to include our eating habits along with physical activity. If we learn how to keep healthy, our lives would be so much more enjoyable.
    With so many places to find a fast meal, it is hard to maintain control of your eating habits when coupled with a fast pace lifestyle. We do need food to provide the energy our bodies need, but it is our choices that ultimately help or harm us. From increasingly large burgers to fried chicken, we are attacked with endless quick meals. However, we must give our body what it needs to get healthy and not what our taste buds want.
    The other key component to keeping healthy is regular exercise. You don’t have to be a gym rat or anything of that nature, but you must develop some type of workout. It can be something as little as walking. Exercising just 30 minutes of your day is all you really need if you want to stay healthy. You can do as little as 3 to 4 days a week or make it a daily routine.
    Our bodies are not equipped to deal with stress on a routine basis. Constant stress can lead to a rise in blood pressure which increases your chance for a stroke or a heart attack. It also affects the blood cells that aid in fighting infections. These weaken cells leave you helpless against common colds, other illnesses, and medical conditions. Therefore, you should learn to relax yourself by spending some time every day chatting with your family, playing with your friends or just watching a film or listening to some soft music.
    There is no big secret on how to keep healthy. If you take care of your body, it will do the same for you in return. It is best that you take every measure possible to lead a healthy lifestyle. Keep healthy by treating your body right.
    Title: On 小题1:_________
    Purpose
    To live 小题2:        by learning how to keep healthy
    小题3: __
    Aspects
    小题4: _________
    Eating habits
    ·Maintaining control of your eating habits because our choices help or harm us
    ·小题5:________ to get healthy and not what our taste buds want
    小题6: ____
    ·Developing some type of workout like 小题7:       
    ·小题8:________ a day to stay healthy
    ·Working out 3 to 4 days a week
    Releasing stress
    ·Chatting with your family
    ·Playing with your friends
    ·小题9:__________
    ·Listening to some soft music
    Conclusion
    No big secret but小题10: _________ of your body to keep healthy
     

    本题信息:英语完形填空难度一般 来源:未知
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本试题 “Many of us suffer needlessly when it comes to our well-being or physical health. In most cases this can be attributed to a lack of knowledge about ...” 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