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高中二年级英语

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  • 改错题
    短文改错(共有10小题;每小题0.5分,满分5分)
    下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
    增加:在缺词处加一个漏字符号(∧), 并在其下面写上该加的词。
    删除:把多余的词用斜线()划掉。
    修改:在错的词下划一横线,并在该词下面写上修改后的词。
    注意:1. 每处错误及其修改均仅限一词。
    2.只允许修改10处,多者(从11处起)不记分。
    例如:It was very nice to get invention to spend ∧ weekend with you. Luckily I was completely
    the                       am  
    free then, so I’ll  to  say “yes”. I’ll arrive in Bristol at around 8 pm in Friday evening.
    on
    Recently,our school has held the meaningful discussion on whether it is reasonable for middle school students to have classes on weekends.Some of our classmates believe we should have classes on weekends.because we can make fully use of the free time to review the lessons we had learnt.Some others are against the opinion,saying we had better to have a good rest on weekends so that we can work effective during the weekdays.The rest agree with neither of the opinion.They have the view which keeping the balance between work and play are both important for us.They suggest one day of the weekend should used to learn our lessons and during the other day they do something interested or have a rest.

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本试题 “短文改错(共有10小题;每小题0.5分,满分5分)下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。增加:在缺词处加一个漏字符号(∧),...” 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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