Unit 3 Same or Different 知识清单-2025-2026学年人教版英语八年级上册

人教版初中英语八年级上册 Unit 3 Same or Different? 知识清单 一、核心词汇详解 (按主题分类，含中考高频词) 1. 人物性格与品质 (高频考点) 词汇 词性 释义 课本原句/例句 中考要点 outgoing adj. 外向的； 友好的 Tara is more outgoing than Tina. 常考比较级 (more outgoing) serious adj. 严肃的； 认真的 You’re more serious than her. 反义词：funny 有趣的 talented adj. 有才能的；有天赋的 Is Tom smarter? No, he isn't. But he is more talented. be talented in/at... 在……方面有天赋 hardworking adj. 工作努力的；辛勤的 Who is more hardworking at school? 合成词，注意拼写 friendly adj. 友好的 That’s why I like reading books and I’m quieter. 以ly结尾的形容词 smart adj. 聪明的 Is Tom smarter than Sam? = clever，比较级 smarter lazy adj. 懒惰的 My brother is lazier than me. 比较级 lazier，最高级 laziest funny adj. 滑稽的； 有趣的 He is funnier than anyone I know. 变y为i再加er/est kind adj. 和蔼的； 仁慈的 A good friend is kind to others. be kind to sb. 对某人友好 necessary adj. 必需的； 必要的 It's not necessary to be the same. It's necessary (for sb.) to do sth. similar adj. 相像的； 类似的 Are you similar to your best friend? be similar to... 与……相似 different adj. 不同的 We are quite different. be different from... 与……不同 fantastic adj. 极好的； 了不起的 That's fantastic! 表达强烈赞赏 2. 外貌与身形描述 词汇 词性 释义 课本原句/例句 中考要点 tall adj. 高的 He is taller than me. 比较级 taller heavy adj. 重的 He is a little heavier than me. 比较级 heavier thin adj. 瘦的 She is thinner than her sister. 比较级thinner (双写n) short adj. 矮的；短的 His hair is shorter than mine. 一词多义：矮/短 long adj. 长的 She has long hair. 描述头发、时间等 curly adj. 卷曲的 Does she have curly or straight hair? 反义词：straight 直的 height n. 身高；高度 What's your height? / How tall are you? 询问身高两种方式 3. 能力、竞争与比较 词汇 词性 释义 课本原句/例句 中考要点 win v. 获胜；赢得 You can win the competition. 过去式 won， 宾语是比赛、奖项 beat v. 打败；战胜 I think I can beat him. 宾语是“人”或“团队” care v. 在意；关心；担忧 I don't really care. care about...关心… touch v./n. 触摸；感动 A good friend touches your heart. 引申义“感动” reach v. 伸手；到达 He can't reach the apple. reach for...伸手去拿 competition n. 比赛；竞赛 We both like sports, but he always wins in competitions. win a competition 赢得比赛 information n. 信息；消息 They share all kinds of information. 不可数名词 grade n. 成绩等级 My grades are better than hers. 通常用复数 primary adj. 最初的；初级的 We were in the same primary school. primary school小学 laugh v./n. 笑；发笑 He always makes me laugh. laugh at...嘲笑…… 4. 易混淆词汇辨析 (中考常考) 1. win vs. beat win (+ 比赛、战争、奖品)：Our team won the game. beat (+ 对手、团队、国家)：We beat their team yesterday. 2. tall vs. high tall：常指人、树、建筑等有形的、细长物的高度。a tall man/building high：常指离地面的高度或抽象程度。a high mountain/speed/price 3. say vs. tell vs. talk vs. speak say (说内容)：He says hello. tell (告诉某人)：Tell me a story. (tell sb. sth.) talk (交谈)：We are talking about the movie. (talk to/with sb. about sth.) speak (说语言/正式讲话)：She speaks English. / He spoke at the meeting. 二、重点短语与句型 1. 比较与对照核心短语 短语 释义 课本/中考例句 as... as... 和……一样…… I'm as tall as my father now. not as/so... as... 不如…… This book is not as interesting as that one. the same as... 和……相同 Your bag is the same as mine. be different from... 与……不同 American schools are different from Chinese ones. be similar to... 与……相似 His opinion is similar to yours. care about 关心；在乎 A good friend cares about you. in fact 事实上；实际上 In fact, she is very kind. be good at 擅长 He is good at playing basketball. make sb. do sth. 使某人做某事 A good friend makes me laugh. share... with... 与……分享…… I share my secrets with my best friend. one of + the + 最高级 + 复数名词 最……之一 She is one of the most popular students in our class. 2. 询问与描述外貌、性格的实用句型 (1)What is he/she like? (询问性格) He is very outgoing and funny. (2)What does he/she look like? (询问外貌) She is tall and thin with long curly hair. (3)Who is taller, A or B? (两者比较) Tom is taller than Sam. (4)Which is + 比较级, A or B? Which is more important, health or wealth? 三、语法聚焦：形容词与副词的比较等级 1. 原级 (as...as 结构) 肯定句：A + be动词/实义动词 + as + 形容词/副词原级 + as + B He is as tall as his brother. She runs as fast as a deer. 否定句：A + be动词/助动词 + not + as/so + 形容词/副词原级 + as + B This movie is not as/so interesting as that one. 2. 比较级 (两者比较) (1) 规则变化 规则 原级 比较级 最高级 例句 一般加 er, est tall taller tallest He is taller. 以 e 结尾加 r, st nice nicer nicest She is nicer. 辅音字母+y，变 y 为 i 再加 er, est heavy heavier heaviest The box is heavier. 重读闭音节，双写末尾辅音字母再加 er, est big bigger biggest It's getting bigger. 部分双音节及多音节词前加 more, most outgoing more outgoing most outgoing She is more outgoing. (2) 不规则变化 (必须熟记) 原级 比较级 最高级 good/well better best bad/badly/ill worse worst many/much more most little less least far farther/further farthest/furthest (3) 比较级句型 A + be动词/实义动词 + 比较级 + than + B He is older than me. She works harder than before. Which/Who is + 比较级, A or B? Who is taller, Tom or Jerry? 比较级 + and + 比较级 (越来越……) The weather is getting colder and colder. the + 比较级..., the + 比较级... (越……，就越……) The more you practice, the better you will be. 3. 最高级 (三者或以上比较) A + be动词/实义动词 + the + 最高级 + (比较范围) He is the tallest (boy in his class). She sings (the) best of all. (副词最高级the可省略) one of the + 最高级 + 复数名词 Shanghai is one of the biggest cities in the world. 比较范围常用介词：in + 集体/场所， of/among + 个体 He is the fastest in our school. She is the youngest of the three sisters. 4. 中考高频易错点 (1)比较对象要一致： ❌ My hair is longer than you. (人比头发) ✅ My hair is longer than yours (your hair). (头发比头发) (2)修饰比较级的词：much, a lot, far, even, a little, a bit 等。 He is much taller than before. This book is a little more expensive. (3)隐含比较级：含有“比”的意思时用比较级。 I’m two years older than him. (我比他大两岁。) (4)最高级前必须有the (副词最高级除外)： ❌ He is tallest student. ✅ He is the tallest student. 四、中考考点衔接与题型示例 1. — Who runs ______ in your class? — Tom does. None of us can catch him in the race. A. faster B. fastest C. more slowly D. most slowly 答案：B (在班级范围内“三者以上”比较，用最高级) 2. 完形填空上下文常出现 than, of all, in my family 等提示词，帮助判断用比较级还是最高级。 3. My sister is much ______ (outgoing) than me. She makes friends easily. 答案：more outgoing (多音节形容词，比较级前加more) 4. Tom is 15 years old. Jack is 13 years old. (合并为一句) Tom is ______ ______ Jack. (答案：older than) 5. No other student in my class is as tall as Mike. (改为同义句) Mike is ______ ______ student in my class. (答案：the tallest) 6. 这台电脑比那台新得多。 This computer is ______ ______ than that one. (答案：much newer) 7. 他是我们组里最细心的。 He is ______ ______ ______ person in our group. (答案：the most careful) 8. 书面表达预测话题与句型 话题：My Best Friend and I / The Person I Admire Most 必备高分句型： We both like..., but I'm... while he/she is... (比较) He is not only... but also... (递进) In my opinion, a true friend is someone who... (观点) Although we are different in some ways, we... (让步) 1 学科网（北京）股份有限公司 $