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高中二年级英语

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  • 完形填空
    请认真阅读下面短文,并根据所读内容在文章后图表中的空格里填入最恰当的单词。注意:每空只填一个单词。
    Bored at school now?  How do you think it will look in the future? Last week, about 600 teenagers in the U.S. imagined a future changed by technology in which their lessons are taught by robots and they learn about celebrities (名人)and alien(外星人)languages.
    According to a survey published last week by the U.S. ,Internet service provider American Online(AOL), only one in 100 thinks that in the future they will walk from home to school; the rest believe they will use jet packs, and hover boards(滑板) as everyday transport.
    All the participants(参与者)of the survey are teenagers born into the Internet age. The study is to show how the first cyber (网络的)generation dream about a future life created by advanced technology.
    Most believe there will still be schools to go to, but that technology will play an increasingly important role in learning. The 600 teens surveyed think there will still be teachers, but 37 percent imagine them to be robots. Some 24 percent believe that teachers will still be human but they will have inter-changeable microchips so that one person can teach all subjects.
    More than one in two believe hover boarding will be popular, while one-third say that wearing rocket boots will be their favorite activity. Another third think jet packs will be popular. Nearly 30 percent think playing football and bike-riding will remain popular.
    When it comes to the curriculum(课程), they think future generations will be learning about robot building(63 percent), alien languages(47 percent) celebrities(26 percent) and R’n’B music(22 percent).
    Children will wear virtual(虚拟的)reality helmets(头盔) to bring lessons to life, say 40 percent, while over 20 percent believe they will not need lessons because microchips implanted(植入)in their head will send relevant information into the brain. Matt Whyman, adviser to the chief medical officer on youth issues of AOL, said: “ The kids seem very aware of the liberation qualities of technology.”
    Title ( 1 )_________school
    Changes in the way of (2)___traveling
    At present, most students walk to school. In the future, students will use jet packs, and hover boards.
    Changes in the way of  (3)______
    In the future, robots will (4)_______ as teachers and human teachers should be (5)_________ with inter-changeable microchips so that one person can teach all subjects.
    Changes in the way of (6)_______
    Virtual reality helmets can bring (7) ________ lessons to them and with the help of microchips implanted in their head, they will not need lessons. 
    Changes in  (8)_______
    Most students will (9)_______ hover boarding, wearing rocket boots and jet packs while a small (10)_______ of students think playing football and bike-riding will remain popular.
     

    本题信息:英语完形填空难度容易 来源:未知
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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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