Unit 2 Numbers Vocaburary&Grammar课件2024-2025学年沪教牛津版英语八年级上册

Unit 2 Numbers Vocaburary&Grammar 八年级上册 1） 1， 3， 4， 7， 11， ( ) A.14 B.16 C.18 D.20 2） 0， 1， 1， 2， 4， 7， 13， ( ) A.22 B.23 C.24 D.25 3） 2， 2， 4， ( )， 32 　 A.4 B.6 C.8 D.16 C C C 数字推理（在括号里填入恰当的数字）： 1. number n. 数字例句：Stan Laurel was born at Number 3, Argyll Street. 斯坦·劳雷尔出生于阿盖尔街3号辨析：the number of/a number of 【词 汇 精 讲】 a number of “一些，若干”(=some)，后接可数名词复数或代词，谓语动词用复数形式。a number of…词组中还可以加入形容词表示数量大或小等（例如：alarge/smallnumberof…）。 A number of my friends are from America. the number of “……的数字/数目 ”，后接可数名词复数，它作主语时，谓语动词用单数。 The number of students is about twenty. 典例分析：(1) The number of students in our school (be) 2000.(2) There (be) a large number of women teachers in our school. 2. promise v./n. 许诺：承诺例句：It would have been dishonorable of her not to keep her promise. 她不遵守诺言是不光彩的。用法：make a promise 做出承诺 keep a promise 遵守承诺 break a promise 打破承诺 promise to do sth. 许诺做某事典例分析：She promised (give) me the money today. is are to give 3. rest n. 剩余部分=something left ，休息=break例句：We’ll eat some of the bread and keep the rest for breakfast.我们会吃一些面包，剩下的作为早餐。 You look tired. You need a good rest. 你看起来很累。你需要好好休息一下。用法：the rest of（剩余的） 可数名词复数+谓语动词复数 不可数名词谓语动词单数 典例分析：(1) The rest of my money (be) not enough to buy a new bike.(2) The rest of the students (be) playing on the playground. is are 4. instead adv. 代替，顶替例句：He asked why I couldn’t just forget about dieting all the time and eat normally instead. 他问为什么我不能一直忘记节食，而不是正常吃饭。用法：instead of = in place of辨析：instead/instead of instead “代替，替代 ”，作副词用，通常位于句尾，如位于句首时常用逗号与后面隔开。Lily isn’t here,ask Lucy instead.莉莉不在这里,问露西。 instead of 后面要跟介宾短语，其宾语多由名词、代词、动名词形式充当。We’ll ask Li Mei instead of Mary.我们会请李梅代替玛丽。 instead与instead of的转换 He didn’t answer me. Instead, he asked meanother question. →He asked me another question instead of answering me. 典例分析：填入instead或instead of(1) He went to school staying at home.(2) John didn’t go to the USA. He went to France . 5. realize v. 认识到，意识到 例句：As soon as we realized something was wrong, we moved the children away. 我们一意识到出了问题，就把孩子们搬走了。用法：realize=know=be aware of The girl finally realized her dream of becoming an actress. 这个女孩终于实现了她成为一名演员的梦想。典例分析：你以后会认识到你的错误。 . instead of instead You will realize your mistakes later. 6. amount n. 数量，数额 例句：They eat a large amount of food every day. 他们每天都要吃大量的食物。用法：a large(small) amount of+不可数名词 大量的/少量的注意：a large(small) number of+可数名词： 大量的/少量的典例分析：They spent a large (amount/number) of money building the house. amount 用所给单词的适当形式填空1. He promised (take) part in the singing competition.2. The number of the visitors (be) 200.3. There (be) a large number of chessboards in the room.4. I’ll go shopping with my sister instead of (watch) a film.5. He (realize) that he was wrong. 课堂训练 to take is are watching realized 一、基数词和序数词 1 基数词：表示数目的词称为基数词。 1-10 1 one, 2 two, 3 three, 4 four, 5 five, 6 six, 7 seven, 8 eight, 9 nine, 10 ten 11-19 (1) 由其个位数形式后添加后缀-teen构成：14 fourteen，16 sixteen，17 seventeen，19 nineteen (2) 特殊形式：11 eleven，12 twelve， 13 thirteen， 15 fifteen， 18 eighteen 21-99 （1）整数几十的共同特点是以-ty结尾： ① 由其个位数形式后添加后缀-ty构成：60 sixty，70 seventy，90 ninety ② 特殊形式：20 twenty，30 thirty, 40 forty，50 fifty，80 eighty （2）表示几十几时，在几十和个位基数词之间添加连字符“-”。如： 27 twenty-seven 81 eighty-one 【语 法 精 讲】 百位数 表示“几百”用“个位基数词+hundred”，在百位数与十位数或个位数之间加上and。如： 100 a / one hundred 200 two hundred 320 three hundred and twenty 502 five hundred and two 948 nine hundred and forty-eight 千位数以上 阿拉伯数字从数字的右端向左端数起，每三位数加一个逗号“，”。 从右开始，第一个“，”前的数字后添加 thousand（千），第二个 “，”前面的数字后添加 million（百万）。千位数以上，当百位为0时，百位与十位之间不用加and。如： 1,000 a / one thousand 2,000,000 two million 2,648 two thousand six hundred and forty-eight 16,250,064 sixteen million two hundred and fifty thousand sixty-four 当hundred, thousand, million前有确切的数字时，不能使用复数形式；当表示不确切数字，如成百、成千上万、数以百万计等时，则用复数形式+of表示。如： There are hundreds of students on the playground． 操场上有好几百名学生。 Thousands of people took part in The Voice of China. 成千上万的人参与了《中国好声音》。 Dinosaurs lived on Earth for millions of years. 恐龙在地球上生存了数百万年。 二、序数词：表示顺序的词称为序数词。 基数词变序数词的口诀： 基变序，有规律 　 1,2,3特殊记，其余都加th (first, second, third) 8少t，9去e，千万别忘记 (eighth, ninth) 逢5逢12，ve变f (fifth, twelfth) 20到90，y要变ie (twentieth, ninetieth) 若是几十几，只变个位就可以(ninety-first) 序数词的缩写形式：由阿拉伯数字+序数词的末尾两个字母组成。如： first — 1st second — 2nd third — 3rd fourth — 4th sixth — 6th twentieth — 20th twenty-third — 23rd 【语 法 精 讲】 三、数词的常见用法： 表示事物的编号，用“名词+基数词”或“the+序数词+名词”。如： Room 308 308房 the fifth floor 五楼 the Fourth Lesson = Lesson Four 第四课 表示年月日，“年”用基数词，“日”用序数词。如： 1 October, 1949 1949年10月1日 读作：the first of October, nineteen forty-nine 表示时间，用基数词。如： 2∶10 two ten 3∶30 three thirty / half past three 表示百分数，用基数词。如： 80% eighty per cent 33% thirty-three per cent 表示小数，用基数词。如： 0.24 (zero) point two four 10.75 ten point seventy-five 表示电话号码，用基数词。如： 8370 9295 eight three seven o, nine two nine five 表示年龄，用基数词。表示第几个生日，用序数词。如： Tom is five (years old). 汤姆五岁了。 Tomorrow is Tom’s fifth birthday. 明天是汤姆的五岁生日。 表示分数，分子用基数词，分母用序数词； (1) 如果分子大于1，分母要用复数。 1/5 one fifth 2/5 two-fifths (2) 分数的特殊形式 1/3 one third=a third 1/2 one second=a half 1/4 one fourth=a quarter 3/4 three fourths=three quarters (3) 含分数的短语作主语由分数后的名词决定谓语。若分数后的名词为可数名词复数，则谓语动词用 复数，若分数后的名词是不可数名词或可数名词单数，谓语动词用单数。 四、数字的加减乘除 加：plus / and / add 减：minus / subtract 乘：multiply 除：divide 等于：is / equal add … and … subtract … from … multiply … by… divide … by … Add 3 and 9. (3+9) Subtract 3 from 9. (9-3) Multiply 3 by 9. (3x9) Divide 9 by 3. (9÷3) 3 plus 9 equals/is12. (3+9=12) 9 minus 3 equals/is 6. (9-3=6 ) 3 multiplied by 9 equals/is 27.(3x9=27) 9 divided by 3 equals/is 3. (9÷3=3) 1—Which month of the year do you like best? —July, the _________ month, because summer vacation begin in this month. seven B. six C. seventh D. sixth 2.We are proud of our country. The year 2019 is her ____ birthday. A. seventy B. the seventy C. the seventieth D. seventieth 一、单项选择。 课堂训练 3 Please turn to page ______ and take a look at the picture on it. A. the eightieth B. eightieth C. eighties D. eighty 4,Meimei is going to be an older sister. Her parents are planning to have their _______ child. A. one B. two C. first D. second 5.— What do you think of the environment here? — Wonderful! ______ of the land ______ covered with trees and grass． A．Two fifths; is B．Two fifth; is C．Two fifths; are D．Two fifth; are 二、根据句意，填入适当的数词 Thursday is the ______ day of a week in the West. 2. Autumn is the ______ season of a year. 3. Christmas is on December the __________ each year. 4. August is the _________ month in a year. 5. June the ______ is Children’s Day. fifth third twenty-fifth eighth first 三、用括号内所给单词的正确形式填空。 1. This is his __________(thirty) novel. 2. This happened at the beginning of the __________(twenty-one) century. 3. Mother’s Day is on the __________ (two) Sunday in May. 4. Although he got the _______ (four) place in the competition, that was good enough for him. 5. Tomorrow is my grandmother’s __________ (eighty-nine) birthday. We will have a big party for her. thirtieth twenty-first second fourth eighty-ninth Thank you! $$