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高中三年级英语

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    根据提示完成句子。(共15小题,每空1分,满分15分)
    小题1:___________________(据估计)the vase is about 2,000 years old.
    小题2:_____________(除了……以外) an album, I gave him a dictionary and some novels.
    小题3:______________(在……不在的时候) the manager, it is me who take charge of the company.
    小题4:He dived into the rive to save the drowning girl ______________(毫不犹豫地).
    小题5:After her father’ s retirement, she was _______________ (拥有) of the property of the family.
    小题6:We should be _________________ (与……相处融洽) all our classmates.
    小题7:Your suggestion __________________. (值得考虑)
    小题8:He is very clever, but he doesn’t work hard; ____________ her sister. (他姐姐也是这样).
    小题9:It is said that yoga _______________ (对……有极大的好处) to human health.
    小题10:When making a plan, you should ____________________(将他的健康纳入到考虑之中).
    小题11: It was _________________(这种失败感) that made him determined to succeed in his new life.
    小题12:Mike ___________________ (比……有优势) you since he can speak English fluently.
    小题13:The giant panda is an ________________(濒危物种).
    小题14:We _______________ five lovely grandchildren. (我们有幸有五个可爱的孙子孙女)
    小题15:When his father came in, he ___________________(假装在图书).

    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 “根据提示完成句子。(共15小题,每空1分,满分15分)小题1:___________________(据估计)the vase is about 2,000 years old.小题2:_____________(除了……以...” 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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