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高中三年级英语

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  • 完形填空
    根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项
    To Build a Bridge
    The Brooklyn Bridge that spans the river tying Manhattan Island to Brooklyn is truly a miracle(奇迹) bridge. 小题1:____ However, bridge­building experts throughout the world told him to forget it; it could not be done.
    Roebling convinced his son, Washington, who was a young up-and-coming engineer, that the bridge could be built. 小题2:_______ With excitement and inspiration, they hired their crew and began to build their dream bridge.
    The project was only a few months under construction when a tragic accident on the site took the life of John Roebling and severely injured his son, Washington. 小题3:_____ Everyone felt that the project would have to be stopped since the Roeblings were the only ones who knew how the bridge could be built.
    小题4:_______ And he still had a burning desire to complete the bridge. An idea hit him as he lay in his hospital bed, and he developed a code for communication.小题5:___ So he touched the arm of his wife with that finger, tapping out the code to communicate to her what to tell the engineers who were building the bridge. For thirteen years, Washington tapped out his instructions with his finger until the spectacular Brooklyn Bridge was finally completed.
    A.Even though Washington was unable to move or talk, his mind was as sharp as ever.
    B.In 1863, a creative engineer named John Roebling was inspired by an idea for this spectacular bridge.
    C.A promising engineer was hired to build the difficult bridge which is unbelievable.
    D.The two of them developed the concepts of how it could be accomplished and how the obstacles could be overcome.
    E.Hard as it is, Roebling got through all difficulties to complete the bridge.
    F.Washington was left with permanent brain damage and was unable to talk or walk.
    G.All he could move was one finger.

    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 “根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项To Build a BridgeThe Brooklyn Bridge that spans the river tying Man...” 主要考查您对

序数词

等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
  • 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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