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高中二年级英语

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  • 完形填空
    阅读下面短文,根据所读内容在文后小题的空格里填上适当的单词或短语,并将答案转写到答题卡上。注意:每空不超过3个单词。
    Bicycles are very popular around the world today. People ride their bicycles for exercise and enjoyment. In some places, people use a bicycle to get to work. In other places, bicycle riding is a very popular exercise to people who live in cities. But who invented the first bicycle?
    In 1791, a Frenchman named Comte de Siverac invented and owned the first bicycle. Mrs. Sivrac rode the bicycle in Paris. The handles(把手) and the seat were wooden. This bicycle was very difficult to move. A rider even had to pick up the front wheel to change direction. Finally, the bicycle had no brakes for stopping or pedals for the feet! Riding a bicycle was a great risk!
    In 1817, a German named Baron von Draus de Sauerbrun made the first bicycle better. The seat became more comfortable. The wheel could now change direction. His ride in the forest took only one hour instead of three hours on foot, which surprised people at that time.
    Sauerbrun brought this kind of bicycle from Germany to France. Then Denis Johnson, an Englishman, made a bicycle for women. It had spaces for their dresses to hang down. But these bicycles still had no brakes or pedals, and riders often got hurt. These bicycles and the people who rode them were not very popular.
    It took another forty-five years for the bicycle to become popular. More than 100 years later, bicycle riding is more popular than ever. In fact, in India and China, there are still many more bicycles than cars.
    The Great Invention
    Time
    Names
    Items
    Features
    In 1791
     小题1:  
     
     
      小题2: 
    Baron von Daris de Sauerbrun
    Made the first bicycle better
    Easier to ride
    Unknown
     小题3:
    A 小题4:
    Having space for dresses to hang down
    Functions of riding bicycles —for exercise, 小题5:  and transportation
     

    本题信息:英语完形填空难度容易 来源:未知
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本试题 “阅读下面短文,根据所读内容在文后小题的空格里填上适当的单词或短语,并将答案转写到答题卡上。注意:每空不超过3个单词。Bicycles are very popular around ...” 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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