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2011年初三英语热点专题复习系列四——代词,数词(2)

2011-01-30 14:15:51中考网

  四.数词:

  数词有基数词和序数词之分:基数词表示数量概念;序数词表示顺序概念。首先要注意一些数词在写法上的变化,如:forty;ninth;twentieth更要注意它们在句子中的不同用法和变化。

  例题解析:

  (   ) About _____ students went to the picture show that day.

  A) hundreds of          B) two hundreds        C) two hundred of      D) two hundred

  “about”意为“大约”,是指具体数量,因此,不能用表示不定数量的词语“hundreds of”(意为“成百个”)。在表示确定数量时,英语中的“hundred”不加“s”,即不变复数。再由于“students”前没有定冠词“the”,不是“其中”之意,因此,也不能加介词“of”。所以本题答案应该选“D”。

  (   ) _____ of _____ Class Four students have joined the singing group.

  A) Three-fifths, the    B) Three-fifth, the      C) Three-fifths, /       D) Three-fifth, /

  英语中,“几分之几”的表达方式是分子用基数词、分母用序数词,中间用短横“–”连接。当分子大于“一”时,分母序数词要加“s”。再由于本题句中数量用的是“of”词组,即意为“其中的五分之三”,因此后面的名词“students”必定是“确指”的,要加定冠词“the”。所以本题答案应该选“A”。在这里要特别注意的是:不要看到“students”前有修饰词“Class Four”就不敢加定冠词“the”,要懂得这里的“the”是修饰“students”的。同样,“the English language”词语的表达形式也类似于此种情况。

  习题训练:

  Choose the best answer (选择最恰当的答案,用A、B、C或D表示,填入空格内):

  (   ) 1.John has twelve coins and Joan has _____ ones, three times as many as John.

  A) thirteen                 B) fifteen                   C) thirty-six               D) forty-eight

  (   ) 2.The post code used in our neighbourhood is _____.

  A) 56348574              B) 200333                 C) a quarter               D) a dozen

  (   ) 3.Today is her brother’s birthday. _____ is on _____.

  A) She, fifth of May  B) She, May fifth       C) Hers, May fifth      D) Hers, May the fifth

  (   ) 4. _____ of the students go to school by bike.

  A) Two-three            B) Two-thirds          C) Two-threes                D) Two-third

  (   ) 5.There are about _____ seats in the hall.

  A) two hundreds       B) two hundred      C) hundreds of                D) two hundred of

  (   ) 6. A: How often should we publish the paper?    B: _____.

  A) In one week’s timeB) Once a month      C) After two weeks   D) For half a month

  (   ) 7. About _____ the students went to the Science Museum last Thursday.

  A) hundreds of           B) two hundred      C) two hundred of   D) two hundreds

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