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高中二年级英语

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    阅读下面的短文,并根据短文后的要求答题(请注意问题后的字数要求)
    Good sleep is needed for good health. During sleep, your body repairs itself. Your immune system is built up. Don't shortchange(亏待,欺骗) yourself of the sleep you need. Here are some of an expert's tips for getting a good night's sleep.
    1. Make sure your room is dark. Pull down the shades. Let no light of any kind in.
    2. Before you go to sleep, ask your family not to turn on a light. Light breaks the sleep rhythm. Once broken, it's hard to get the sleep clock running right. As a result, you will not sleep well. You will wake up tired.
    3. A hot bath just before bed is good. It makes you relax. You are at peace. This starts the desire for sleep.
    4. During the day, _________.Even jogging(慢跑) will show good results. How about a good long walk? This will get your body to work. You will find that toward evening you will get that nice, tired feeling. Sleep then will come easily. Added to this, exercise is good for your health.
    5. Here is what to do when you get up. Open the shades or blinds. Let the sun in. Open the  windows. Let the fresh air in. This sun and air get imprinted on your brain. The rhythm of being awake gets started. Your body clock is set for the day. That clock will let you know when it is the right time to go to sleep.
    小题1: What does the underlined word ”It” mean? (Please answer within 5 words)
                                                                           
    小题2:What's the main idea of the passage? (Please answer within 15 words)
                                                                           
    小题3:Please fill in the blank in the paragraph with the proper words or phrases to complete the sentence. (Please answer within 5 words)
                                                                            
    小题4:Which sentence in the passage can be replaced by the following one? (Please answer within 10 words)    To be healthy, you need good sleep. 
                                                                            
    小题5:How can we get a good sleep?(at least 3 suggestions) (Please answer within 30 words)
                                                                         
                                                                         
                                                                         

    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 “阅读下面的短文,并根据短文后的要求答题(请注意问题后的字数要求)Good sleep is needed for good health. During sleep, your body repairs itself. Your ...” 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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