Unit 2 Amazing numbers（背记本）-【宝典训练】2025-2026学年新教材八年级上册英语高效课堂（沪教版2024）

英语·背默本 …●●-● Unit 2 Amazing numbers 一、词汇拓展及词性转换 1.number n.数字一[固定搭配]a number of一些the number of…的数量（后接可数名词 复数) 2.amount n.数额一[固定搭配]an amount of一些the amount of…的数量（后接不可 数名词) 3.reply v.回复；答复一reply to回复；回应 4.chess n.国际象棋一play chess下棋一Chinese chess中国象棋 5.India n.印度一Indian ad.印度（人）的n.印度人 6.promise v.&n.许诺；承诺一promise sb。to do sth.承诺某人做某事一promising ad山.有希 望的；有前途的 7.rest n.剩余部分一[其他含义]take/have a rest/break休息 8.gold n.金子（gold medal金牌)一golden adj.金色的(golden age黄金时代) 9.instead adv..代替一[固定搭配]instead of代替；作为…的替换 l0.hesitation n.犹豫一without hesitation毫不犹豫 11.prize n.奖赏一[固定搭配]win prizes获奖 l2.realize v.意识到一[固定搭配]realize one's dream实现某人的梦想 13.correctly adv..正确地一correct ad.正确的 二、词语释义 1.check=go over v.检查 2.instead of=in place of代替；作为…的替换 3.wise=clever/bright/smart adj.聪明的 4.nearly=almost ad.几乎 5.prize=award n.奖赏 6.realize=understand=be aware of v.意识到 7.a long time ago=long long ago很久以前 宝典制练|英语·八年级上册（沪教版） ●-●●… 三、重点短语 l.in ancient times在古代 8.use sth..to do sth.使用…做某事 2.different counting methods不同的计数方法 9.thanks to多亏 3.stand for代表 10.across the world在全球范围内 4.it takes a long time to do sth.花很长时间 11.be known as作为…而出名 做某事 l2.in a different way以一种不同的方式 5.begin doing开始做 13.used to do过去常常做 6.abstract symbol抽象符号 14.clock face钟面 7.turn into变成 15.as common as像…一样普遍 四、section4短语 1.counting methods计数方法 9.Fibonacci sequence斐波那契数列 2.tally stick计数棍 l0.mathematical pattern数学模式 3.one-to-one correspondence一一对应 11.flower petal花瓣 4.abstract symbol抽象符号 l2.spiral of pine cones松果的螺旋纹 5.Indian numerals印度数字 l3.brainstorm头脑风暴；集思广益 6.Arabic numerals阿拉伯数字 14.spidergram蜘蛛图（用于头脑风暴等梳理 7.Roman numerals罗马数字 思路的图示) 8.cross-curricular connection跨学科联系 15.make a booklet制作小册子 五、语法拓展 1.challenge sb.to sth.向某人挑战某事 2.promise sb.to do sth..承诺某人做某事 3.order sb.to do sth..命令某人做某事 4.a large/small amount of大量的/少量的（接不可数名词），做主语时谓语动词要采用单数 形式。 5.a large/,small number of大量的/少量的（接可数名词复数） 6.a large quantity of接可数名词复数和不可数名词都可以 7.plenty of接可数名词复数和不可数名词都可以 六、重点句型 1.The king challenged him to a game of chess 国王向他发起象棋挑战。(challenge sb.to sth.) 6 英语·背默本 …●…●● 2."You can have any prize if you win the game,the king promised the old man. “如果你赢了这局棋，你可以得到任何奖赏，”国王向老人承诺道。(promise sb.sth.) 3.I'd like one grain of rice for the first square of the chessboard... 棋盘的第一格我想要放一粒米…（would like sth.) 4.The old man replied without hesitation. 老人毫不犹豫地回答。(without hesitation) 5.The king realized the problem. 国王意识到了问题。（realize the problem) 6.The king ordered his men to collect a bag of rice. 国王命令手下收集一袋米。(order sb.to do sth.) 7.The old man thought for a moment and said slowly... 老人沉思片刻，缓缓说道…(think for a moment) 8.Finally,the old man won the game. 最终老人获胜。（win the game) 七、课文回顾 A long time ago,a king in India challenged a wise old man to a chess game.The king promised to give the old man any prize if he won.The old man asked for one grain of rice for the first square of the chessboard,two for the second,four for the third and then double the amount for each of the rest of the squares.Finally,the old man won.The king tried to do as the old man asked,but he soon realized that even with all the rice in the country,he would still not have enough rice to put on the chessboard! 7