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高中三年级英语

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    Experiencing bad dreams every night can be horrifying for anybody. Bad dreams can disturb the sleep and make a person feel stressed throughout the next day. That’s why one should take steps to stop them as soon as they become an everyday occurrence.
    Before knowing how to get rid of bad dreams, we need to understand what can result in them. Researches have shown that when a person is under some sort of physical or mental stress, he is more likely to get bad dreams and disturbed sleep. So, to stop bad dreams, it’s necessary to find out the causes of physical and mental stress in your life and remove these. For instance, if you’re overworked, learn to take things slow. Don’t be ambitious to the point that it starts affecting your health.
    Besides, some trauma(损伤) that a person might have experienced recently or in the past which they’re unable to get over can make the person suffer from bad dreams. Death of a very close family member is often seen to be the reason behind recurrent nightmares. In such a case, taking therapy and dealing with the trauma is the only solution to stop bad dreams.
    Eating fatty and high-protein foods in dinner is also known to cause bad dreams in some people. So, bad dreams occurring because of these reasons can be stopped if the diet is changed. Taking a light dinner of soups and salad is the best, both for the health and for stopping disturbed sleep in some cases.
    Besides these, there are many other things a person can do to have a good night’s sleep. For example, your bedroom should be the most comfortable place in the world. So, get rid of all electronic gadgets including television. In addition, if you have negative thoughts, it can have side effects on the kind of dreams you have. So, from now on try to be a happy and positive person.
    Title: Bad Dreams
     

    本题信息:英语完形填空难度一般 来源:未知
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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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