专题2 第2讲 数词(课件PPT)-【金榜题名】2026年高考英语一轮总复习

专题二需要变形的名词、数词、 形容词和副词 第2讲　数词 语法专题 高考总复习•英语 返回目录 考点精讲一 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 thousands twice eightieth ninth 语法专题 高考总复习•英语 返回目录 twelfth thirds 语法专题 高考总复习•英语 返回目录 语法专题 高考总复习•英语 返回目录 second has been polluted fifth 语法专题 高考总复习•英语 返回目录 谢谢观看 语法专题 高考总复习•英语 返回目录 eq \a\vs4\al([情景导入]) Mister Smith is sixty① years old and yesterday was his 60th② birthday.He still remembers in the 1990s③ when he was in his thirties③，he drank dozens of④ bottles of beer a day.However，he spent thousands of④ dollars in hospital.Later，two fifths⑤ of his spare time was spent in taking exercise. [规则感悟]　①数词的基本形式为基数词。②表示数词的顺序往往用序数词。大部分是在基数词的基础上加­th。以­y结尾的基数词变序数词，把­y变成­ie再加­th。③“in the＋逢十的基数词的复数”表示“在某个世纪几十年代”。“in one's＋逢十的基数词的复数”表示“在某人几十多岁时”。④具体数字＋dozen/score/hundred/thousand/million 等词时，后面直接加名词复数；表示笼统数目时，用dozens/scores/hundreds/thousands/millions of＋名词复数。⑤分数表达：分子用基数词，分母用序数词。当分子大于1时，分母序数词加­s，如：1/3：one third，2/3：two thirds。　 1．易错基数词 thirteen十三　fourteen十四　fifteen十五 eighteen十八　nineteen十九　twenty二十 thirty三十　forty四十　fifty五十　ninety九十 2．易错序数词 first第一　second第二　third第三 fourth第四　fifth第五　eighth第八 ninth第九　eleventh第十一　twelfth第十二 3．序数词的使用 (1)序数词在句中主要作定语，一般情况下序数词前要加定冠词。 This is the second intangible cultural heritage block in Guangzhou. 这是广州第二个非物质文化遗产街区。 (2)序数词前有时加不定冠词，表示“又一、再一”，相当于another。 Would you like a second cup of tea? 你还想再来一杯茶吗？ (3)有时序数词作状语，不加冠词。 He came out first in the contest. 他在比赛中获得第一名。 [对点练习] 1．It's reported that ________(thousand) of antelopes are killed for their fur each year. 2．If a regular bus can hold dozens of people, imagine what a bus ________(two) the size can hold! 3．Some men are old at sixty­five; others are still as lively as crickets in their ________(eighty). 4．Next season will be my ________(nine) in Liverpool and I still have one year left on my current contract. 5．On his ________(twelve) birthday, Philip decided to give up eating meat, saying, “I don't think it's right to eat animals.” 6．Today, experts believe that nearly two ________(three) of the world's population live within eighty kilometres of the seacoast. eq \a\vs4\al([解题技法]) [演练] 1．Without a ________(two) thought，he agreed to join the club. 2．30% of the river ________________(pollute) by the water from the factory already and many fish have disappeared. 3．Then，when I was in the ________(five) grade，I wanted to be a teacher because I liked my English teacher very much.(2019·全国Ⅱ卷)　 $$