2024年广东省深圳市中考英语冲刺专题学案五：数词考点突破

2024中考英语冲刺专题学案五：数词考点突破 考点一 基数词 【用法总结】 1. 基数词的基本用法 日期：“年”用基数词，“日”用序数词，如：November 2(nd), 2022 时间： 1) 整点：基数词+o'clock (o'clock可省略) 2) 几点过几分：分钟数≤30分钟，用past，如；five past seven 7点5分 几点差几分：分钟数>30分钟用to，如：twenty to eight 7点40分 顺序/编号：基数词位于名词后，且名词首字母大写，如：Page 62, No.1 年代：in the+年份复数，如：in the 1990s 年龄：基数词+years old，如: ten years old at the age of+基数词，如：at the age of five in one's +整十基数词的复数形式，如：in his forties 2. 基数词的其他用法 1) 分数表达法：分子用基数词，分母用序数词，分子大于1时，分母加-s，如：two thirds 2/3。 It's reported that about two thirds of students help with housework at home. 据报道有大约三分之二的学生在家帮忙做家务。 2) hundred, thousand, million, billion 的用法 ① 表示确数时，其前加基数词,，如：three hundred三百； ② 表示不确切的数字时，其后加-s并与of连用如：thousands of 数以千计的。 Thousands of seabirds are flying over the ocean, creating an amazing sight for the visitors. 数以千计的海鸟在海洋上空飞翔，对游客而言是一个令人惊叹的景象。 考点二 序数词 【用法总结】 1. 基数词变序数词 特殊变化 one-first; two-second; three-third 一般变化 第4~第19以“基数词+-th”结尾，需注意其中几个的变化：fifth，eighth，ninth，twelfth 第20~第90(整十)，十位变y为ie，再加th，如：twentieth, thirtieth 第21~第99(整十除外)，十位用基数词个位用序数词，如：eighty-ninth 2. 序数词的用法 1) 表示顺序，其前加定冠词 the，如：the second。 2) 序数词前有形容词性物主代词或名词所有格等限定词时，不加the，如：my first try 我的第一次尝试。 3) 序数词前加不定冠词 a/an，表示“又一，再一” Must I try it a third time? 我必须再试一次吗? (已尝试两次) 【考点跟踪练习】 I. 用括号中所给单词的适当形式填空。 1. Bob found that his manager sat in the _________(nine) row, just behind him. 2. Their horse came _________(three) in the race last month. 3. Russia held the_________(twenty-one) FIFA World Cup in 2018. 4. _________(hundred) of people come here to read books on weekends. 5. My grandpa often does sports, so I bought him a T-shirt for his _________(sixty) birthday. 6. She is 12 years old, and it is her _________(twelve) birthday today. 7. Uncle Andy tried _________(tenth) different jobs, and finally chose to be a lawyer. 8. A research shows that three _________ of students like going hiking on weekends. (five) 9. This piece of music is so beautiful that I’d like to listen to it a __________(two) time. 10. The lady became very famous in her ________