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高中三年级英语

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    阅读下面短文,根据以下要求:1)汉语提示;2)首字母提示;3)语境提示, 在每个空格内填入一个适当的英语单词,所填单词要求意义准确、拼写正确。(每题1分;共10分)
    All the students present, may I have your attention, please? I'm Elizabeth Taylor. As editor of the Voice, I'd like to i___小题1:__ you to our school newspaper. We need new hands to help us ___小题2:___ can tell the students what's new every day through our newspaper. Experience isn’t quite necessary, but writing and typing skills are in great    小题3:  . We need people to read our ___小题4:___(文章)to type and check them. We could also use a good photographer and several engineers. Since the voice comes    小题5:   five days a week, we need good students who know how to make the ___小题6:__ of their time. There’s some money for salaries d___小题7:___ on how much work to do, but don't expect to get rich, this isn’t something you do for money. Mostly it's just for fun. Anyone who’s w___小题8:___ to joining us should speak to me ___小题9:___(立刻)after this meeting. Be p___小题10:___ to start right away. Our first paper appears tomorrow.

    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 “阅读下面短文,根据以下要求:1)汉语提示;2)首字母提示;3)语境提示, 在每个空格内填入一个适当的英语单词,所填单词要求意义准确、拼写正确。(每题1分...” 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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