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高中一年级英语

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    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。选项中的两项为多途选项。
    The first chocolate was eaten by Mayan and Aztec people in Central and South America hundreds of years ago. ___小题1:____ the cocoa bean was used to make a chocolate drink that the people enjoyed very much. Much later, the cocoa bean was brought across to Europe and people there also came to love the taste of chocolate.
    __小题2:___ One of the items he sold was cocoa powder to make into drinks. In 1831, he opened a small factory to make cocoa powder from cocoa beans. John Cadbury believed that alcohol was an important cause of poverty and he wanted to encourage people to drink chocolate instead. A few years later a man called Joseph Fry invented a way to make chocolate bars, and so for the first time people had the chance to eat chocolate instead of only drinking it. At first, chocolate was a luxury and only the rich people could afford it. ___小题3:___
    ___小题4:___ Milk chocolate came later and this was made by adding milk of milk
    powder to the chocolate. Cadbury’s introduced their first milk chocolate bar in 1879. Their most famous chocolate, Cadbury’s Milk Bar, was introduced in 1905. It has been a best seller in Britain and around the world for nearly 100 years.
    The Cadbury factory is still in Birmingham and the chocolate produced there is eaten all over the world. 小题5:   
    A.Later, as more and more chocolate bars were produced and sold, it became cheaper.
    B.John Cadbury wanted people to drink chocolate instead of alcohol.
    C.However, at first only plain chocolate was produced.
    D.Every year, thousands of visitors visit the factory to see how chocolate is made.
    E. In 1824, John Cadbury opened a small shop in Birmingham.
    F. More and more chocolate was manufactured.
    G. In those days, the people did not really eat chocolate;

    本题信息:英语阅读理解难度一般 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。选项中的两项为多途选项。The first chocolate was eaten by Mayan and Aztec people in Centra...” 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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