中考英语数词复习演示课件.pptxVIP

数词Numeral;数 词;基数词的构成;29;序数词的构成;基变序,有规律, 一、二、三，特殊记，面目全非要注意， 加th从4起， 八少“t”，九去“e”， “ve”要用“f”替，(five, twelve) 见“y”变成“i”和“e”，词尾加上“th”， (twenty, thirty,……ninety) 若是遇到几十几，只变个位就可以。 序数词缩写记清楚,数字后跟两字母。;基数词的用法;2、 “几十”的复数形式可以表示： 几十多岁 ---- in + one’s + 数词复数 年 代 ---- in + the +数词复数 1) He died in his forties．四十多岁 2) In the nineties, most people go to work by bike. 90年代; 5、表示时刻 (介词用at) 1)顺读法----先时后分, “几点几分” 9:30 nine thirty 6:21 six twenty-one ;(1)序数词作定语，前面要加the； The first truck is carrying a food basket．  John lives on the fifteenth floor． She is my first English teacher. (2)有时加a/an，“再一”，“又一” 的意思 We‘ll have to do it a second time． Shall I ask him a third time？ When I sat down，a fourth man rose to speak． They had a second child in 1988;编号表示法;1/4 one-fourth a (one) quarter 3/4 three-fourths three quarters 2/3 two-thirds 1/2 a (one) half 半年 half a year 半小时 half an hour 一年半 one and a half years one year and a half;1999 nineteen ninety-nine two thousand and eight 1949年10月1日 读作: October (the) first, nineteen forty-nine (月-日，年) the first of October, nineteen forty-nine（日-月，年） 写作: October 1st,1999(日用缩写，月-日-年) October 1, 1999 (日用数字) 1st October,1999日-月，年;【实例解析】;1. (2004年上海市徐汇区中考试题) About ________ students in our class can describe that place in English. A. three-fifths B. three-fifth C. third-five D. third-fifths 答案：A。该题考查的是分数的表示法。分子用基数词表示，分母用序数词表示。分子大于1时，分母应加-s，因此应选A。;2. (2004年河北省中考试题) Nine _______ pounds a week? That’s very good. A. hundred of B. hundreds of C. hundreds D. hundred 答案：D。该题考查的是数词的用法。Nine hundred是一个具体的数量，这是数词不能用复数形式，后面也不能加of。所以应选D。;【中考演练】;中考听力题 数词考点;1/2 1/3 1/4 24/25 3/4 3 ;;;1.What is ten and eight? 2.How old are you? 3.When were you born? 4.What class are you in? 5.How many students are there in your class? 6.What’s your telephone number? 7.How long is the Great Wall? 8.What’s the population of China? 9.When do yo