Unit3 Same or Different Section A 讲义 2025-2026学年人教版（2024）八年级英语上册

本讲义聚焦人教版八年级英语上册Unit3 Same or Different Section A的核心内容，围绕形容词和副词比较级的构成与用法展开，系统构建从词汇积累到句型运用再到语境表达的学习支架。通过“重点词汇—短语—句型—语法精讲—巩固练习”的递进式设计，帮助学生逐步掌握“A + be + 比较级 + than + B”“as...as...”等结构，并在真实语境中实现语言输出，形成完整的语言能力发展链条。 该资料突出体现语言能力、思维品质与学习能力的融合培养。例如，在阅读理解题中设置对比姐妹性格与特长的情境，引导学生分析差异、判断信息，提升逻辑推理与批判性思维；通过“more...than...”句型转换训练强化语法迁移能力，促进知识内化；练习答案附带详细解析，便于课后查漏补缺，助力学生自主学习。整体设计紧扣新课标要求，既利于课堂高效教学，又支持学生课后巩固提升，真正实现学以致用。

人教版八年级英语上册 Unit3 Same or Different Section A讲义 一、学习目标 1. 掌握重点词汇和短语，如 compare、perform、solve、be different from 等。 2. 学会运用形容词和副词的比较级来描述人物或事物之间的差异。 3. 能够运用核心句型 “A + be + 形容词比较级 + than + B”“Which is + 形容词比较级，A or B” 等进行交流。 4. 理解并能在实际情境中运用 “as...as...” 结构表示同级比较。 5. 通过学习，培养尊重他人差异的意识，体会差异在人际交往中的价值。 二、重点词汇 1. compare（v. 比较）→ comparison（n. 比较） 2. perform（v. 表演）→ performance（n. 表演；表现） 3. solve（v. 解决）→ solution（n. 解决办法） 4. appear（v. 出现）→ appearance（n. 外表；露面） 5. different（adj. 不同的）→ differently（adv. 不同地）→ difference（n. 差异） 6. shy（adj. 害羞的）→ 反义词：outgoing（外向的）；名词：shyness（害羞） 7. loud（adj./adv. 大声的 / 地）→ 副词：loudly（大声地）；比较级：louder 8. serious（adj. 严肃的；严重的）→ 副词：seriously（严肃地） 三、重点短语 1. be different from：与…… 不同 2. have in common：有共同之处 3. encourage sb. to do sth.：鼓励某人做某事 4. be afraid of (doing) sth.：害怕做某事 5. solve the problem：解决问题 6. make comparisons：进行比较 7. as...as...：像…… 一样（同级比较） 8. take part in：参加 9. more...than...：比…… 更……（比较级结构） 10. spare time：空闲时间 11. in many ways：在许多方面 四、核心句型 ㈠比较级句型 1. A + be + 形容词比较级 + than + B：表示 A 比 B 更……。 如：I am taller than Mary. 2. Which is + 形容词比较级，A or B：用于询问 A 和 B 哪一个更……。如：Which is better, this book or that book? ㈡同级比较句型 1. A + be + as + 形容词 / 副词原级 + as + B：表示 A 和 B 在某方面程度相同。如：He runs as fast as I. 五、语法精讲 形容词和副词比较级的构成 ㈠规则变化 1. 一般情况下，直接在形容词或副词词尾加 - er。如：tall - taller，fast - faster。 2. 以不发音的 e 结尾的单词，加 - r。如：nice - nicer，late - later。 3. 重读闭音节词尾只有一个辅音字母时，双写该辅音字母，再加 - er。如：big - bigger，hot - hotter。 4. 以 “辅音字母 + y” 结尾的单词，把 y 改为 i，再加 - er。如：easy - easier，happy - happier。 5. 多音节和部分双音节形容词或副词，在词前加 more。如：outgoing - more outgoing，beautiful - more beautiful。 ㈡不规则变化 1. good/well - better 2. bad/badly - worse 3. many/much - more 4. little - less 5. far - farther/further 6. old - older/elder ㈢比较级的用法 1. 用于两者之间的比较，表明两者在某方面的差异。 如：This box is heavier than that one. 2. 可以用 a little, a bit, slightly（稍微；一点儿），much, far, a lot（…… 得多），even（甚至）等词来修饰比较级，加强比较的程度。 如：This book is much more interesting than that one. 3. “比较级 + than + 比较范围（如 anything, anyone, any other...）” 常隐含最高级含义。 如：He is taller than any other student in his class.（他是班上最高的学生） ㈣同级比较的用法 1. as...as... 结构中，中间要用形容词或副词的原级。其否定形式为 “not as/so...as...”，表示 “A 不如 B……”。 如：He is not as tall as his brother. 六、巩固练习 ㈠单项选择 1. This story is ________ than that one. A. interesting B. more interesting C. most interesting D. the most interesting 2. My sister is ________ than me. A. a little thin B. a little thinner C. much thin D. much thinner 3. He runs ________ fast as his brother. A. so B. as C. more D. very ㈡单词词形变换 1. outgoing（比较级）________ 2. good（比较级）________ 3. loud（副词）________ 4. shy（名词）________ 5. solve（名词）________ ㈢语法填空 1. My brother is ________ (tall) than me. 2. This movie is as ________ (funny) as that one. 3. She sings ________ (loudly) than her sister. 4. He is much ________ (hard-working) than before. ㈣句型转换 1. Tom is taller than Mike.（改为同义句） Mike is ________ ________ Tom. 2. This book is more interesting than that book.（改为一般疑问句） ________ this book ________ ________ than that book? 3. She is as beautiful as her mother.（改为否定句） She ________ ________ as beautiful as her mother. ㈤阅读理解 Mary and Lily are sisters. Mary is 160 cm tall, and Lily is 165 cm tall. Mary is a little bit shy, but Lily is very outgoing. They both like music. Mary likes playing the piano, and Lily likes singing. Lily sings more beautifully than Mary. They often take part in the school music festival. Mary is good at math, and Lily does well in English. They help each other and learn from each other. 1. How much taller is Lily than Mary? A. 3 cm B. 4 cm C. 5 cm D. 6 cm 2. Who is more outgoing? A. Mary B. Lily C. Both D. Neither 3. What does Mary like? A. Singing B. Dancing C. Playing the piano D. Drawing 4. Who sings more beautifully? A. Mary B. Lily C. They sing equally well D. We don't know 5. What subject is Lily good at? A. Math B. English C. Music D. Art 七、练习答案 ㈠单项选择 1-3. B B B ㈡单词词形变换 1. more outgoing 2. better 3. loudly 4. shyness ㈢语法填空 1. taller 2. funny 3. more loudly 4. more hard-working ㈣句型转换 1. shorter than 2. Is; more interesting 3. is not ㈤阅读理解 1-5. C B C B B 1 学科网（北京）股份有限公司 $