2023年人教版初升高英语（3）数词精准链接

（3）数词—2023-2024学年初升高英语人教版（2019）精准链接 知识衔接： 数词分基数词和序数词。基数词表示数目，序数词表示顺序。 1. 基数词的用法 (1) 基数词在句中主要用作主语、宾语、定语、表语、同位语 Thirty of them are League Members.（主语） How many do you want? I want four .（作宾语） The nine doctors are from Tianjing.（定语） Six and four is ten.（表语） We two will go with you.（同位语）  (2) 表示一个具体数字时，hundred, thousand, million一律不用复数；在表示一个不确定数字时则用复数。 There are two thousand students in  this school. thousands of people became homeless because of the war. Corn  is the most important crop for millions of people in the world. They arrived in threes and fives． (3) 表示"……十"的数词的复数形式可用来表示人的岁数或年代  My mother is in her early fifties．  The event took place in the 1990s． (4) 表示时刻用基数词。 We go to work at seven thirty We begin work at eight. (5) 表示"几点过几分"，用介词past，但须在半小时以内。 five past ten, a quarter past one, half past eleven (6) 表示"几点差几分"用介词to，但分数须在半小时以上。 twenty to eight, five to nine, a quarter to six (7) 表示"几点几分"还可直接用基数词 seven four; eleven ten; nine thirty 2. 序数词的用法 （1）序数词在句中主要作定语，前面加定冠词， The first boy is carrying a food basket． My aunt lives on the fifteenth floor． （2）序数词有时前面可加不定冠词来表示"再一"，"又一"这样的意思， They'll have to do it a second time．  Shall I ask the scientist a third time？  （3）由几个序数词和基数词在拼写时不对应，很容易写错，应特别注意。 one---first, two---second, three---third, five---fifth, eight---eighth, nine---ninth, twelve---twelfth。 （4）表示年，月，日时， 年用基数词表示，日用序数词表示。 1959年十月一日读作:  october (the) first, nineteen fifty-nine 2008年九月十日读作：September (the) tenth, two thousand and feight （5）表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。 three fourths, one third, two sixths （6）序数词有时用缩写形式： 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 first→1st                second→2nd third→3rd              fourth→4th twenty-second→22nd 习题衔接： 1.______ of the students who took part in the military training is 450. A. A number B. A great deal of C. Lots of D. The number 2.India has ____ of fluent English speakers because Britain ruled India from 1765to 1947. A. the large number B. large number C. a large number D. a great deal 3.—Would you please