Unit 2 Amazing numbers（复习课件）英语沪教版2024八年级上册

Unit 2 Amazing numbers 八年级英语上册·沪教版2024 1 单元学习目标 2 单元知识图谱 3 核心词汇 4 重点句型 5 单元语法 7 课堂巩固 6 主题写作 目 录 掌握基数词和序数词的表达。 一 能够用英文数字运用到日常生活中。 二 正确使用基数词和序数词。 三 理解数字的发展和在不同文化中的差异。 四 学习目标 3 单元知识图谱 Amazing nunbers 短语 动词 名词 副词 challenge, promise, reply, wonder, agree, check, count, represent 单词 flight schedule, price tag, for a moment, without hesitation, go up, go down, write down, instead of 写作 关于人口变化的报告 语法 基数词 flight, schedule, prize, chessboard, silver, hesitation, per cent, budget, province, system, symbol everywhere, currently, sharply, exactly 序数词 4 核心词汇 根据首字母填写单词 1. He c________ his friend to a running race after school. 2. He p________ to help me with homework and I believed him. 3. All my friends a________ that we should have a picnic this weekend. 4. She answered the teacher’s question without h________ . 5. Sichuan is a famous p________ in China for its spicy food. 6. ‌Remember to c________ your answers before handing in the test paper.‌ hallenged romised gree esitation rovince heck challenge sb. to (do) sth 挑战某人（做）某事 词汇拓展：challenge（名词）表示“挑战” promise sb. to do sth. 挑战某人做某事 词汇拓展：作名词时，make a promise 许下诺言 keep a promise 遵守诺言 break a promise 违背诺言 词汇拓展：hesitate（动词） 当提到“……”省时，province也要大写。如广东省 Guangdong Province check in 登机，登记（入住） check out 登出，退房 agree with sb. 同意某人 词汇拓展：disagree（动词），表示“不同意”，disagree with sb. 不同意某人 5 核心词汇 1. 航班时刻表 2. 价格标签 3. 片刻、一会儿 4. 毫不犹豫 5. 上升 6. 下降 7. 写下，记下 8. 代替，作为……的替换 与prize形态相似的词：prize 奖赏，奖品 同样意思的介词短语 without doubt 相似意思的动词：rise（不及物动词） 相似意思的动词：drop 与代词连用时，代词放词组中间，如write it down instead of + n. / doing flight schedule price tag for a moment without hesitation go up go down write down instead of 根据汉语写出对应的英语短语 同样意思的介词短语: for a while 核心词汇 词汇辨析 the amount of ……的数量，接不可数名词。 e.g.  The amount of water in the bottle is small. 瓶子里水的量很少。 the number of ……的数量，接可数名词复数，谓语动词用单数形式。 e.g. The number of students in our class is fifty. 我们班学生的数量是五十。 a large amount of 大量的……，接不可数名词，谓语动词用单数形式。 e.g. There is a large amount of milk in the fridge. 冰箱里有大量的牛奶。 amounts of 大量的……，接不可数名词，谓语动词用复数形式。 e.g. Amounts of time were wasted here. 大量的时间在这儿被浪费了。 a number of 大量的……，接可数名词，谓语动词用复数形式。 e.g. A number of birds are singing in the tree. 许多鸟在树上唱歌。 核心词汇 词汇辨析 instead instead 作副词，表示“代替、相反”，可以放在句首或句末。 e.g. I don’t like coffee, so I’ll have tea instead. 我不喜欢咖啡，所以我改喝茶。 instead of instead of 作介词短语，接名词或动名词，表示“代替，作为……的替换，而不是……”。 e.g. I’ll go to the park instead of staying at home. 我要去公园，而不是待在家里。 核心词汇 单项选择 1. We need to reduce _______ of waste we produce every day. A. the amount B. a large amount C. the number D. a number 2. The children went to the zoo _______ the park. A. instead B. than C. instead for D. instead of 3. _______ of birds in the forest is decreasing. A. The amount B. A number C. The number D. number 4. She has spent _______ of time studying for the exam. A. amount B. a large amount C. the number D. a number 针对训练 9 重点句型 1. One day, a wise old man came to the palace and the king challenged him to a game. （教材p20） challenge sb. to (do) sth. ，表示“向（某人）挑战”。  e.g. Our school challenged theirs to a football match. 我们的学校挑战他们学校一场足球比赛。 She challenged her best friend to complete the marathon. 她向她的好朋友挑战完成这场马拉松。 10 重点句型 2. "How many grains of rice will this be?" the king wondered. “这将有多少粒米？”国王想知道。（教材p21） wonder 作动词时，表示 “想知道，琢磨”，接句子作宾语。 e.g. I wonder when the school trip will start. 我想知道学校旅行什么时候开始。 She wonders if her friend will come to the party. 她好奇朋友会不会来参加派对。 重点句型 完成句子 1. 他尝试挑战自己，去一片未知的森林探险。 He tried to _______ _______ _______ an adventure into an unknown forest. 2. 他每天回家之前都会把黑板上的字都写下来。 Every day, he _______ _______ the words on the blackboard before he goes home. 3. 我承诺多做家务。 I _______ _______ _______ more housework. 4. 他花在玩电子游戏的时间上太多了。 _______ _______ _______ time he spends playing video games is too much. 5. 他应该看书而不是浪费时间。 He should read books_______ _______ wasting time. challenged himself to write down promise to do The amount of instead of 针对训练 12 单元语法 13 单元语法 用法： ① 用于名词前表示数量的多少。 e.g. They have three books. 他们有三本书。 ② 表示年龄。 e.g. Anna is fourteen. Anna十四岁。 基数词，用于描述事物数量的多少。 易错词：eleven, twelve, thirteen, fifteen, twenty, thirty, forty, fifty 基数词 单元语法 用法： ③ 表示时间。 e.g. It is ten o’clock now. 现在十点了。 ④ 表示有编号的事物 （与中文顺序相反，且首字母大写）。 e.g. I am in Class Two, Grade Eight. 我在八年二班。 ⑤ hundred, thousand, million, billion前有具体数字时用单数形式； 表示不确切的数字时，要用复数形式+of e.g. two hundred 两百 three thousand 三百 hundreds of 数以百计 thousands of 成千上万 millions of数以百万计 基数词 单元语法 用法： ① 表示日期 (年基日序要牢记)。 e.g.2025年9月10日: September 10th, 2025 或 the tenth of September, 2025 ② 表示顺序。 e.g. He is always the first to arrive at school. 他总是第一个到校。 序数词，表示事物的顺序。序数词前一般带the。 易错词：fifth, ninth, twelfth, twentieth, thirtieth, fortieth, fiftieth 序数词 单元语法 用法： ③ 表示楼层。 e.g. Tina lives on the ninth floor. Tina住在九楼。 ④ 表示有编号的事物 （与中文顺序一致，不用大写）。 e.g. the seventh page 第七页 ⑤ 表示分数 (分子基，分母序。分子大于 1，分母加 -s)。 e.g. 1/3：one third 2/3：two thirds 序数词 情态动词 一、单项选择 1. More than ________ people died in the war between the two countries two years ago. A. two millions B. two million C. million of D. two million of 2. December is ________ and last month in a year. A. the twelveth B. twelveth C. the twelfth D. twelfth 3. ________ of the boys________ playing basketball. A. Two thirds; is B. Two thirds; are C. Second three; is D. Seconds three; are 针对训练 情态动词 4. —David, how old is your father this year? —________ . And we just had a special party for his ________ birthday last week. A. Fortieth; forty B. Forty; forty C. Fortieth; fortieth D. Forty; fortieth 5.I was told they would stay in China for ________. A. one and a half years B. one and a half year C. one and half years D. one half and one year 6. — ________ is it from here?   — It’s about ________ ride away. A. How far; twenty minutes B. How long; twenty minutes’ C. How long; twenty minute’s D. How far; twenty minutes’ 针对训练 主题写作 本单元话题围绕 “人口变化报告” 展开，核心是依据折线图等数据，客观、精准呈现特定区域（城市 / 省份）人口随时间的变化情况，用事实性描述（如增长、下降趋势及具体数据等 ）展现人口变迁，提升信息传递准确性与规范性。 写关于人口变化的报告 主题写作 列出所选诚实/省份信息 明确所选城市 / 省份名称，以及统计人口变化的时间范围（如从哪年到哪年 ）。 描述人口变化 人口是增长（rise/grow/go up 等 ，可结合 sharply/quickly/slowly ）、下降（fall/drop/go down 等 ）还是保持稳定（stay the same/remain the same ），不同阶段的变化情况。 数据支撑 用具体数据（如某年份人口数量、增长 / 下降的具体数值 ）支撑人口变化描述，让报告更具事实性。 写作要点 开头 写作要点：首句直接表明所选城市 / 省份及报告主题，聚焦人口变化。 中间 核心任务：按照时间顺序，结合写作要点展开。 顺序：先说明基础信息（城市 / 省份、时间范围 ），再详细描述不同阶段人口变化趋势（用 rise/grow 等词汇 ），并辅以关键数据。 结尾 写作要点：总结人口变化整体情况，简单提及对该区域发展可能产生的影响（如人口快速增长对基础设施的需求等 ），强化报告意义。 主题写作 写作思路 1. 使用“rise (sharply/quickly/slowly), grow, go up, double”来描述人口增长。 2. 使用“fall (sharply/quickly/slowly), drop, go down”等来描述人口下降。 3. 使用“stay the same, remain the same”来描述人口稳定。 词汇运用 主题写作 主题写作 书面表达 王瑶正在写一篇关于世界人口数量的报告。看她找到的折线图，使用下列单词和短语帮助她完成报告。 Growing numbers: rise (sharply, quickly, slowly), grow, go up, double Falling numbers: fall (sharply, quickly, slowly), drop, go down No change: stay the same, remain the same 要求： 1. 词数80左右； 2. 文中不得出现真实的人名和校名。 针对训练 主题写作 参考范文 World population The graph shows that the population in the world stayed the same before the year 1800. During the second half of the 1800s, the population began to grow. In 1850, there were about 1 billion people in the world. About one hundred years later, the world population reached 2.5 billion. Between 1950 and 2000, the population continued to rise sharply. 针对训练 综合训练 一、用所给词的适当形式填空。 1. Some scientists believe that it may take________(hundred) of years to make robots think like us. 2. Maria goes to the singing club________(two) a week. 3. Tom’s family were holding a big party for his grandma’s________birthday. (ninety) 4. Jim joined in the boys’ relay race and won the________place. (one) 5. Can you write his name________ (correct)? hundreds second ninetieth first correctly 综合训练 二、选词填空。 be   think    hold    see      hide Everyone they know everything, but Anasi the Spider knew he had to learn more to have real wisdom. One day, Anansi found an empty basket. “If I get advice from others and put it in this basket, then I wiser than anyone else in the world.” So, he asked the other creatures (生物) for best advice, and they were all happy to share their wisdom. Then Anansi looked around to find a place to hide it and a hole high up in the tree. But the basket was so big that he could hardly climb the tree. His son was nearby watching him. “Daddy, What are you doing?” “I the advice.” he answered. “why not tie the basket to your back to climb the tree?” “Thank you for sharing your advice.” Suddenly he, realized that advice is only useful when we share it with others. When he reached the top, he the basket up to the wind. All the advice flew into the sky and wisdom came to everyone. thinks will be saw am hiding held THANKS 谢谢观看 八年级英语上册·沪教版2024 $$