思马得英语100个句子学英语语法(18):关于数词的注意点
教程:思马得英语100个句子学英语语法  浏览:925  
  • 提示:点击文章中的单词,就可以看到词义解释
      18.关于数词的注意点

      <例句>

      In the past thirty years or so, scientists have been able to “see” farther and farther into sky.

      在过去三十年左右的时间里,科学家已可以观测到越来越远的太空。

      <语法分析>

      有关约数的表示法, or so表示“左右”,“大约”可以用about, nearly, some 和 around等表示,用over, more long 可以表示“多余、超过”的意思。用or more和or less 来表示“或......以上”和“或......以下”的意思。基数词常位于another和all后面,such和more的前面,可以谓语last, next和other的前面或后面。

      <触类旁通>

      (1) The pig weights abouts 60 pounds.

      这头猪大约60磅重。

      语法分析:用about, nearly, some和around等词表示“大约”。

      (2) The road is over 3,000 meters long.

      这条路有3000多米长。

      语法分析:用over, more long可以表示“多于、超过”等意思。

      (3) He is less than fifteen years old.

      他不到15岁。

      语法分析:“少于、不超过”用less than 表示。

      (4) This room is twice as big as that one.

      这个房间的大小是那个房间的两倍。

      语法分析:主语 + 谓语 + 倍数或分数 + as + 形容词 + as 句式表示倍数。

      (5) I offer ten times the amount of money that he has borrowed.

      我愿出十倍于他借的钱。

      语法分析:主语 + 谓语 + 倍数或分数 + as + the size + of 句式表示倍数。

      (6) Line A is four times longer than Line B.

      线A比线B长4倍。

      语法分析:主语 + 谓语 + 倍数或分数 + 形容词或副词比较级 + than句式表示倍数。

      <巩固练习>

      (1) The hall can hold 100 people _____ more.

      (2) There are 1,000 workers _____ less in our factory.

      (3) I have four times _____ many books as you.

      (4) We shall produce twice as much gram _____ we did in last year.

      (5) The length of this rope is three times the _____ of that one.

      (6) She has four times _____ money than I have.

      (7) The grain output is 5 percent higher this year _____ than of last year.

      (8) The production of iron has been increased _____ five times this year.

      <参考答案>

      (1) or (2) or (3) as (4) as (5) length (6) more (7) than (8) by

    0/0
      上一篇:思马得英语100个句子学英语语法(17):数词 下一篇:思马得英语100个句子学英语语法(19):量词

      本周热门

      受欢迎的教程

      下载听力课堂手机客户端
      随时随地练听力!(可离线学英语)