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高中三年级英语

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  • 完形填空
    下面是一篇文章,请将标有A-F的段落插入文章中标号为1- 5的合适位置,使这篇文章意义完整,结构连贯;其中有一个段落是多余的。
    A punctual (准时的)person is in the habit of doing a thing at the proper time and is never late in keeping an appointment.
    __小题1:_____He is always in a hurry and in the end loses both time and his good name. A lost thing may be found again,but lost time can never be regained. Time is more valuable than material things.__小题2:______.The unpunctual man is for ever wasting and mismanaging his most valuable assets as well as the assets of others'. The unpunctual person is always complaining that he finds no time to answer letters or return calls or keep appointments promptly.____小题3:___. He knows that he can not get through his huge amount of work unless he faithfully attends to every piece of work when it has to be attended to .
    Failure to be punctual in keeping one's appointments is a sign of disrespect towards others. If a person is invited to dinner and arrives later than the appointed time,he keeps all the other guests waiting for him. ___小题4:_____.
    Unpunctuality,moreover,is very harmful when it comes to doing one's duty,whether public or private. Imagine how it would be if those who are put in charge of important tasks failed to be at their proper place at the appointed time.__小题5:__
    A.But the man who really has a great deal to do is very careful with his time and seldom complains because he lacks it.
    B.The unpunctual man,on one hand,never does what he should do ahead of time.
    C.In fact,time is life itself.
    D.A man who is known to be habitually unpunctual is never trusted by his friends or
    fellow men.
    E. The unpunctual man,on one hand,never does what he has to do at the proper time.
    F. All guests present ought to be respected by the host.
    G. Usually this will be regarded as a great disrespect to the host and all other guests present.

    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 “下面是一篇文章,请将标有A-F的段落插入文章中标号为1- 5的合适位置,使这篇文章意义完整,结构连贯;其中有一个段落是多余的。A punctual (准时的)person ...” 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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