2024年人教版英语中考复习之数词 知识讲解和练习

中考复习之数词 基数词（表示数目） 1 序数词（表示顺序） 2 分数 3 【基数词】 数字的书写： 1. 1-12: one, two, three, four,five, six, seven, eight, nine, ten, eleven, twelve 2. 13-19: 由3-9的基数词加-teen构成（特殊：thirteen, fifteen, eighteen） 3. 20-90之间的整十数：都已-ty结尾：twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 4. 21-99之间的“几十几”: 十位与个位之间加连字符。如: forty-nine 5. 百位数： ① 整百：1-9+hundred。如：three hundred ② 其他：整百+and+几十几。如：one hundred and thirty-five 6. 一千：one thousand 7. 一万：ten thousand 8. 不定数目：hundreds of 成百上千的 thousands of 数以千计的 9.常见用法： ① “基数词+-名词单数”： a five-minute walk ② “基数词+-名词单数+-形容词”：a two-year-old boy ③ “in one’s + 整十的基数词的复数形式”：in his thirties ★基数词主要表示具体的数量、时间、年龄等。 1. 表示数量的多少。 There are twenty-six girls in our class. 2. 表示年份和年代：表示“在某年”或“在某年代”时，通常在时间前加介词in。“in+the+年份-s”表示“在……世纪……年代”。 In 1993, the world’s largest hot airship was built. 3. 表示年龄：a two-year-old boy “in one’s +整十的基数词的复数形式”表示“在某人几十多岁时”。 in his thirities 4. 表示编号: 由“名词单数+基数词”构成，此时名词和基数词的第一个字母通常都大写。 Lesson Nine 第九课 5. “基数词+名词单数”构成复合形容词。 a five-minute walk 6. “基数词+名词单数+形容词”构成复合形容词。 a two-year-old boy 注意： 1. 当hundred, thousand, million前有one, two等具体数字时，这些词的词尾不加-s，其后的名词要用复数形式。 The factory has six hundred workers. 2. hundreds of 成百上千的 thousands of 成千上万的 millions of 数以百万计的 【序数词】 ★序数词是表示顺序的词。 1. 第1到第3 one - first two-second three-third 2. 第4-第19 除第5、第8、第9和第12外，其余序数词均有基数词后加-th构成。 four- fourth five- fifth eight-eighth nine-ninth twelve-twelfth 3. 第20-第90之间的整十数 基数词词尾-y变为-i，再加-eth。 twenty-twentieth eighty-eightieth 4. 第21-第99之间的“第几十几”。 十位数不变，只将个位数变为序数词，中间用连字符。 ninety-one ninety-first 提分速记： 1. 序数词表示顺序时，其前通常要加定冠词the，其后通常接单数名词。 The second picture is very beautiful. 2. 序数词前加不定冠词a/an，表示“再一，又一”。 Please give me a second chance. 3. 当序数词与形容词性物主代词或名词所有格连用时，其前不用冠词。 This is my first visit to Beijing. ★含有序数词的常见短语： at first, 起初； first of all, 首先； at first sight,乍一看； from first to last, 自始至终。 【分数】 1.分数的构成 分数由基数词和序数词相结合来表达的。 分子用基数词，分母用序数词；如果分子大于1，分母要用序数词复数形式。 one third 三分之一 two fifths 五分之二 2. 主谓一致 谓语动词的数与分数后的名词保持一致。 “分数+of+限定词+名词复数”作主语时，谓语动词应该用复数形式； “分数+of+限定词+不可数名词/名词单数”作主语时，谓语动词应该用第三人称单数形式。 3. quarter、half和percent用法 ① 四分之一通常用a/one quarter来表示； 四分之三通常用three quarters来表示； ② 二分之一通常用a/one half来表示； ③ 百分之几通常用“基数词+percent”来表示。 【习题】 用括号中所给词的适当形式填空。 1. I am the ________(two) second child in my family. I have an elder brother and a younger sister. 2. June is the ________(six) month of a year. 3. Jenny is so happy, because today is her ________(five) wedding anniversary. 4. Paul was reading a book on the ________(three) floor of the city library when I called him. 5. December is the ________(twelve) month of a year. 6. Once upon a time, there were ________(ten) suns. Hou Yi shot down nine of them and left one. 7. ________(million) of foreign tourists visit China every year. 8. Two ________(three) of the students in our class like playing basketball. 9. Please turn to page ________(eighty) and take a look at the picture on it. 10. My father told me the number “9” stands for “long lasting”, so I chose the ________(nine) floor to live on. 11. There are 24 solar terms in a year. Grain Rain often falls in April, the ________(four) month of a year. 12. The number of the fans going to this concert is about three ________(hundred). 13. This will be my ________(one) visit to the Sun Island. I’m really excited. 14. People plant ________(hundred) of trees on Tree-Planting Day every year. 15. --I have been to Hebei Museum ________(four) times. What about you? --I have been there four times, too. And I would like to visit it a ________(five) time. 【答案】 1. second 2. sixth 3. fifth 4. third 5. twelfth 6. ten 7. Millions 8. thirds 9. eighty 10. ninth 11. fourth 12. hundred 13. first 14. hundreds 15. four;fifth 学科网（北京）股份有限公司 $$