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高中三年级英语

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    Africans see many advantages by uniting the continent into a single nation, or by uniting several small nations of a particular region into a nation. In unity there is strength. Africans often point to the United States, formed by the original 13 states, as an example of this principle. Africa now is divided into many weak nations. United, they would be much stronger. Africans could then more easily deal with foreign efforts to control them. Also it would be easier to plan and carry out big projects like the building of highways and dams.
    The considerations for African unity go beyond the practical advantages it brings. As we have seen, one factor is that the feeling of belonging to a particular nation is not strong among Africans. If, for example, you were to ask a man from Paris " What are you?", he would certainly answer " A Frenchman". Ask the same question of a man from Ibadan in Nigeria and he might give one of three answers, or all three, depending on his education and outlook. He might say, " A Yoruba" (his people), or " A Nigerian," or just simply " An African."
    Another factor that enters into the desire for unity is that African leaders throughout the continent feel that they all have many things in common. They all lived through the experience of colonial rule. Many of them went to school and university with men who now lead other African countries. They all feel very angry about the way in which they were treated in the past. Compared with these strong bonds (结合),which overshadow the borders of nations, the idea of building separate nations does not have so much meaning. Some leaders say they are ready, in fact, to give up their separate nations.
    Many nations have written into their constitutions(宪法), and they may give up their powers to a Pan-African government that will come into being.
     
    Title:
    小题1:______
    Measures
    uniting the continent
    小题2:______________
    小题3:_______
    ★小题4:___________________
    ★easier to handle foreign influences
    ★easier to build小题5:________
    小题6:_________
    小题7:_______
    ★being weak among Africans
    ★depending on小题8:_
    leaders’ similarities
    小题9:__________
    receiving similar education
    hoping for unity
    Results
    Many nations have written into constitutions.
    A 小题10:__________will come into being.

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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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