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高中三年级英语

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    Boys do bad at school
    Despite education reforms and more than enough money, more and more boys have been dropping out of high schools in the United Arab Emirates  (阿拉伯联合酋长国 )  for the past few years.  小题1:_They often choose jobs in public services. the army or the police force instead. As a result. only 30% of the universities are made up of male students. Such a condition has also put them at an obvious disadvantage.  小题2:   In such an oil-rich country. families are so wealthy that their children do not need to study hard. Boys often come to school with personal helpers who carry their suitcases for them and help them with their homework. They rely on them to do everything they would otherwise have to do themselves_小题3:_
    Public schools usually get enough money from the government.   小题4:  The rest go to private schools where teachers are more interested in pushing children towards a higher education. In public schools. motivation is low and students seem uninterested in learning. Experts agree that teacher training throughout the Emirates needs to be improved.
     小题5:  0ne of them is the population's widespread thinking that the government will always supply young citizens with jobs. Authorities are convinced that just pouring money into the school system won't achieve the desired results. Their aim is to have more Emirati males finish high school and continue to go to university, where they will get degrees and have a bright future.
    A. But what comes after oil runs out in the country?.
    B. Boys and girls are often separated in public schools.
    C. Few women will marry a man with lower education.
    D. However. only 40% of all children attend these schools.
    E.  The Emirati people have been living on the land for centuries.
    F.  Many mistakes have actually been made in the past few years.
    G.   Currently about 25% of boys in the country do not finish high school

    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其中有两项为多余选项。Boys do bad at schoolDespite education reforms and more than enough m...” 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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