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高中一年级英语

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    小题1:Jane’s mother wants to fry some bread for their lunch but she found there was no oil in the kitchen and asked Jane to buy some while shopping.
    小题2:Jack’s girl friend, Helen, came to Beijing for further study on Chinese literature but she couldn’t find a suitable living place so she just wants to live together with someone else.
    小题3:Maggie just bought a second-hand apartment a month ago so she wants to buy some chairs and tables for her new home and maybe she will go shopping on the coming Sunday.
    小题4:Nathan’s father is retired from work and stays at home watching TV all day long so Nathan decides to buy him something that is convenient for him to watch TV.
    小题5:Nelda, my English teacher, decides to have a tour in China during the coming summer holidays so he wants to buy a camera.
    A.Share Apartment
    There are two rooms. I have lived in one room for 3 years and the other room is ready for use anytime. It is quiet and convenient, fully furnished, $45 per month, including bills of phone and power.
    Female. Non-smoker. No pet.
    Call me: 27756403 or 25717749
    B.Moving Sale
    Armchairs, a set of 4, red, $200; wooden coffee table, black, $50; fridge, big, double doors, $400; old books of various kinds, $50. Tel: 24848896
    C.Crisco Oil
    For lower saturated fat (饱和脂肪),corn oil and olive oil can’t beat Crisco oil.
    Saturated Fat per tablespoon:
    Crisco oil: 1.5 grams
    Corn oil: 2.0 grams
    Olive oil: 2.0 grams
    D.Mini Camera
    Fujiko has produced an amazing new mini camera—the advanced 1001ix. No bigger than a credit card! Convenient and very reliable. Easy to use. Automatic focus and flash. Made from an attractive and strong material.
    Price: $199.98  Tel: 65738129
    E. Remote Headphones
    Radio and TV programs can be heard from 100 meters away with Remote Headphones. This exciting new product enables you to move around but always remain surrounded by top quality sound.
    Price: $110.98  Tel: 200899765

    本题信息:英语阅读理解难度一般 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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