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高中一年级英语

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    根据课文内容填空(每小题0.5分, 满分8分)
    The amber which was ________小题1: had a beautiful yellow-brown colour like honey. The ________小题2: of the room was in the ________小题3: style popular in those days. It was also a treasure ________小题4: with gold and jewels, which took the country's best artists about ten years to make.
    As a ________小题5: of fact, every country wants the opportunity. It’s a great responsibility but also a great ________小题6:to be chosen. There’s as much competition among countries to _______小题7:the Olympics as to win Olympic medals.
    Anyhow, my ________小题8: is to provide humans with a life of high ________小题9:. I am now truly filled with happiness that I am a ________小题10:friend and helper of the human race!
    Wild plants and animals have to look after themselves. They need food, a good  ________小题11:and________小题12:. If their habitat is threatened or they cannot find enough food, their numbers may __________小题13:.
    However, after a year or so, in which they became more  __________小题14:about their work, the Monkees started to play and sing their own songs like a real band. Then they ________小题15:their own records and started __________小题16:and playing their own music.

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本试题 “根据课文内容填空(每小题0.5分, 满分8分)The amber which was ________小题1: had a beautiful yellow-brown colour like honey. The ________小题2: of th...” 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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