数量词 1 【学习目标】 数词在高考中的考点【复习任务】 1.学习重点: 数词的各个用法 2.学习难点:数词的加减乘除表示法【问题导学】总论:表示数目多少或顺序先后的词叫数词。数词分为基数词、序数词、小数、分数和被分数五种。基数词、小数、分数、百分数可以表示数目或数量的多少;序数词表示顺序和等级。 一.数词的分类 1.基数词 1)。表示法:100 以下的基数词 1----10 :One two three four five six seven eight nine ten 11----19:eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20----90:twenty thirty forty fifty sixty seventy eighty ninety 100 以上的基数词a/one hundred a/one thousand a/one million a/one billion a/one trillion 2)注意:①在表示 21 到 99 之间的数字时,要在几十和各位中间加上“-”。 thirty-five ②1-9 基数词形式加“hundred”,表示几百,在几十与百位之间加上“and” 101 a hundred and one 320 three hundred and twenty 648_________________ ③ 千位以上的数字,从数字的右端数起,每三位数加一个逗号“,”。从右起,第一个逗号前的数字后添加 thousand,第二个是 million,第三个是 billion。 2,468 two thousand six hundred and forty-eight 16,250,064 sixteen million two hundred and fifty thousand sixty-four 想想,中国的人口怎么表示? ④基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是当基数词表示不确定的数字时,如成百、成千成千上万,三三两两时,基数词则可以复数形式出现。 There are 56 hundred students in my class. There are hundreds of people in the hall. Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day. They went to the theatre in twos and threes. ⑤ 表示人的不确定的岁数或年代,用几十的复数形式表示 He became a professor in his thirties. She died of lung cancer in her forties. It was in the 1960s. ⑥ 基数词的句法功能,思考基数词在下面的句子中做什么成份 I need three altogether. ___________ The two happily opened the box. ___...