Unit 3 Same or Different 知识点讲解（知识清单）2026-2027学年人教版英语八年级上册

该初中英语Unit 3知识清单系统梳理了“Same or Different”单元核心内容，涵盖形容词/副词比较级、同级比较（as...as）、多音节词比较级等语法点及相关词汇句型，分Section A/B、Grammar Focus、Vocabulary in Use模块搭建从基础句型到语法应用再到词汇拓展的递进式学习支架。 清单以“核心语法+拓展例句+分层练习”构建知识体系，如“形容词比较级+than”配改错和翻译练习，“as...as”结构设计同义改写题，突出知识完整性与条理性。融入语言能力培养（通过例句强化表达）和思维品质提升（对比辨析be similar in/to），考点标注（如多音节词加more）和实用练习设计帮助学生高效掌握，既便利自主复习，也辅助教师精准教学。

Unit 3 Same or Different 知识点讲解 Section A 句子 1 Is Ella taller than Emma? 核心语法：形容词比较级 + than，用于两者对比 拓展例句 Is Peter more outgoing than Chen Jie? Is your room cleaner than mine? 练习 改错：I am tall than my deskmate. ________ 翻译：他比我更勤奋。________________________________ 句子 2 Who dances better, Ella or Emma? 核心语法：疑问词 Who 引导两者选择比较，动词搭配副词比较级 拓展例句 Who gets up earlier, you or your brother? Who sings louder, Lily or Lucy? 练习 句型转换：Ella sings better than Emma.（对 Ella 提问） ____ ____ better, Ella or Emma? 句子 3 I’m as hard-working as you. 核心句型：as + 形容词 / 副词原级 + as，同级比较 “和…… 一样” 拓展例句 She is as serious as her best friend. I swim as fast as Sally. 练习 同义改写：Julie and I are equally slim. Julie is ____ slim ____ me. 句子 4 There are more activities this year. It is more colourful than last year. 考点：多音节形容词变比较级加 more；可数名词数量更多用 more 拓展例句 This music festival is more wonderful than last year’s. We have more storybooks than before. 练习 填空：This show is ____ (interesting) than that one. 句子 5 I work as hard as her! 考点：副词原级放入 as…as 结构，比较对象人称保持一致 拓展例句 My mother cooks as well as my grandma. He studies as carefully as his cousin. 练习 改错：I run as faster as my friend. ________ Grammar Focus 句子 1 Emma is taller than Ella, but her hair is shorter than Ella’s. 考点：A + be + 形容词比较级 + than + B；Ella’s = Ella’s hair，名词性物主代词避免名词重复 拓展例句 My schoolbag is bigger than yours. This building is shorter than that one. 练习 翻译：我的房间比她的干净。____________ 句子 2 Ella dances better than Emma, but Emma sings louder than her. 考点：实义动词搭配副词比较级；不规则副词 well → better 拓展例句 Tom writes more carefully than Jack. I get up earlier than my little sister. 练习 时态填空：My father drives ____ (slow) than my mother. 句子 3 Emma always gets up earlier than me, but I work as hard as her! 考点 1：比较级 than 用于不同程度对比； 考点 2：as + 副词原级 + as 同级比较 拓展例句 He runs faster than me, but I read as much as him. This film is not as exciting as that one. 练习 补全问答 Q: Is Tom as smart as Sam? A: No, I don’t think so. I think Sam is as ____ as Tom. 句子 4 The population of Vancouver was smaller than that of Guangzhou. 考点：that 指代前文单数名词 population；人口大小用 large /small 修饰 拓展例句 The area of Guangzhou is larger than that of Vancouver. It rains much more in Guangzhou than in Vancouver. 练习 填空：The big city has a much ____ (big) population than the small town. 句子 5 It is more colourful than last year. 考点：多音节形容词比较级结构：more + 形容词原形 拓展例句 more beautiful, more serious, more hard-working, more pleasant 练习 变形填空：This park is ____ (pleasant) than the old park downtown. Section B 句子 1 A good friend is like a mirror. 固定句型：主语 + be like … 某物 / 某人就像…… 拓展例句 A true friend is like warm sunshine. Reading good books is like talking with wise people. 练习 翻译：一本好书就像一位挚友。____________ 句子 2 He plays badminton better than I do. 考点：比较句中补充助动词 do，保证比较对象一致 拓展例句 She draws better than I do. My cousin studies harder than he does. 练习 同义改写：I read more history books than him. I read more history books than ____ ____. 句子 3 We are similar in other ways. 短语辨析：be similar in + 方面；be similar to + 对象 拓展例句 We are similar in hobbies and personalities. Your coat is similar to mine. 练习 翻译：我们在性格方面十分相似。____________ 句子 4 Thanks to her, I am becoming more outgoing. 固定短语：thanks to 多亏；become + 比较级 变得更加…… 拓展例句 Thanks to my teacher, I’m much better at English. The shy girl becomes more confident day by day. 练习 翻译：多亏我的朋友，我变得更开朗了。____________ 句子 5 A true friend reaches for your hand and touches your heart. 作文经典句型，用来描述真挚友谊 拓展例句 True friends will always lend a hand when you meet trouble. 练习 翻译：真正的朋友会彼此扶持。____________ Vocabulary in Use 句子 1 The population of Shanghai is much larger than that of Lanzhou. 核心单词：population n. 人口；修饰词只用 large /small，不可用 many/few 拓展例句 What’s the population of your hometown? 练习 改错：The town’s population is many. ________ 句子 2 We should respect the differences in others. 词性变形：difference n. 差异；different adj. 不同的；固定搭配 be different from 拓展例句 There are many differences between twin sisters. I am different from my twin sister in hobbies. 练习 词性转换：We have many ____ (different) in personalities. 句子 3 I enjoy reading books in my spare time. 固定短语：spare time = free time 空闲时间 拓展例句 I often do sports in my spare time. 练习 翻译：我空闲的时候喜欢画画。____________ 句子 4 They looked alike and both had kind personalities. 词汇考点：alike adj. 相像（只能作表语）；personality n. 性格，个性 拓展例句 The two young brothers look alike. He has a warm and friendly personality. 练习 填空：The twin girls look ____ (alike /similar). 句子 5 Besides this, he also realized people’s lives were much harder. 考点 1：besides prep. 除…… 之外（还有）； 考点 2：much 修饰比较级，表 “…… 得多” 拓展例句 Besides English, I also learn math and physics. The homework is much easier than I expected. 练习 翻译：除此之外，我还有很多课余爱好。____________ 句子 6 It is about three kilometres from my house to school. 单词变形：kilometre n. 千米；数字大于 1 时用复数 kilometres 练习 改错：It’s two kilometre away from my home to the park. ________ 学科网（北京）股份有限公司 $