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高中三年级英语

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  • 完形填空
    阅读下面材料,在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式,并将答案填写在答题卡相应的位置上。
    Alice: Hi, Peter!  I saw you on the 7 o'clock news last night.
    Peter: Oh, yeah.
    Alice: So tell us what happened?
    Peter :I   小题1: (walk) alone on the beach when I heard someone   小题2:  (call) out for help.  I looked up and there on the headland was a little kid.He had climbed up the cliff and was stuck.
    Alice: What did you do then?
    Peter: My first thought was to run and get help, but the boy was crying. He looked as though he would fall at 小题3:   moment. So I climbed up to get him down.The rocks were very loose.and I almost  小题4:(slip)a couple of times.I was beginning to think 小题5: wasn't a good idea to climb up there alone and that I   小题6: (get)help first. Then I reached the boy.   小题7:, I couldn't get him down.We were both stuck!
    Alice: And then what did you do?
    Peter: I shouted for help.Pretty soon there came   小题8:  small crowd on the beach. One of them called the Coast Rescue Service.About five minutes   小题9: there appeared a helicopter overhead, and we   小题10:    .(rescue)

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本试题 “阅读下面材料,在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式,并将答案填写在答题卡相应的位置上。Alice: Hi, Peter! I saw you on the 7 ...” 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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