Unit 3 Same or Different形容词、副词比较级精讲精练（含解析）-2026-2027 学年人教版（新教材）八年级上册英语

**基本信息** 聚焦形容词、副词比较级，通过基础巩固-能力提升-综合应用三层设计，实现从规则记忆到句型转换的渐进式知识巩固，适配新授课语言能力与思维品质培养需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固|比较级变形规则、基础句型|20道单项选择聚焦规则变化（如tall→taller）及标志词than应用| |能力提升|修饰词搭配、递进句型|15道填空练习强化"more and more+原级"等结构及副词比较级| |综合应用|比较对象一致、同义转换|10道句型转换实现"not as...as"与比较级的灵活互变，培养逻辑思维|

答案解析 一、单项选择（20题） 1. 答案：C。解析：多音节形容词“越来越……”结构为more and more+形容词原级；beautiful是多音节词，只能用more and more beautiful，A/B/D结构均错误。 2. 答案：B。解析：even修饰比较级；excited修饰人，exciting修饰事物，主语Jenny是人，用more excited。 3. 答案：B。解析：a little修饰比较级，根据“时间不够”需要开更快，fast比较级为faster。 4. 答案：A。解析：两者对比用比较级；sing是动词用副词loudly比较级more loudly；dance后用副词well比较级better。 5. 答案：C。解析：否定词never+比较级a better one表最高含义，意为“从没看过更好的（最好的）”，不用the better。 6. 答案：B。解析：than提示用比较级long的比较级longer；the longest是最高级，不能单独和than连用。 7. 答案：A。解析：elder brother固定搭配“哥哥”；old描述年龄大小，比较级older，two years older大两岁。 8. 答案：C。解析：固定结构The+比较级，the+比较级，表示越……就越……；hard比较级harder，good比较级better。 9. 答案：A。解析：much修饰比较级；is后用形容词easy作表语，easy比较级easier，easilier拼写错误，more easy格式错误。 10. 答案：B。解析：than提示用比较级，cheap变比较级cheaper。 11. 答案：B。解析：第一空is后用形容词比较级shorter；第二空eats是实义动词，用副词healthily修饰。 12. 答案：B。解析：The+比较级，the+比较级；start是动词用副词early比较级earlier；finish用副词quickly比较级more quickly。 13. 答案：B。解析：两者之间比较，形容词比较级前不加the，直接用bigger。 14. 答案：B。解析：否定句+比较级a better one表最高含义，句意：我找不到更好的裙子了。 15. 答案：D。解析：固定句式The+比较级，the+比较级；high比较级higher，far比较级farther/further。 16. 答案：B。解析：第一空修饰动词do用副词carefully比较级more carefully；mistakes可数名词复数，用fewer修饰。 17. 答案：A。解析：The+比较级，the+比较级；pressure不可数用much比较级more；do用副词badly比较级worse。 18. 答案：A。解析：much修饰比较级；nice比较级nicer，more nicer属于双重比较级，语法错误。 19. 答案：A。解析：much可修饰比较级taller；more taller双重变形、very不能修饰比较级，均错误。 20. 答案：C。解析：than提示比较级，many比较级more，修饰可数名词books。 二、用所给单词的适当形式填空（15题） 1. 答案：hotter。解析：than提示用比较级，hot是重读闭音节，双写t+er变为hotter。 2. 答案：later。解析：than usual提示使用late的比较级later。 3. 答案：shyer/shier。解析：than提示比较级，shy以辅音+y结尾，变y为i+er。 4. 答案：slimmer。解析：than提示比较级，slim为重读闭音节，双写m+er。 5. 答案：less。解析：than提示比较级，little的不规则比较级less，修饰不可数名词money。 6. 答案：more；more confident。解析：The+比较级，the+比较级；many比较级more；confident多音节形容词，比较级more confident。 7. 答案：better。解析：Lucy和Lily两者对比，well不规则比较级better。 8. 答案：narrower/more narrow。解析：even修饰比较级；narrow是以ow结尾双音节词，两种比较级均可。 9. 答案：closer。解析：parents和aunt两者对比，close比较级closer。 10. 答案：farther/further。解析：Jim和David两人对比距离，far的比较级farther/further均可。 11. 答案：worse。解析：than any other student提示用比较级，badly不规则比较级worse。 12. 答案：cleverer/more clever。解析：than提示比较级，clever以er结尾双音节词，两种变法都正确。 13. 答案：happier。解析：The+比较级，the+比较级；happy辅音+y结尾，变y为i+er。 14. 答案：heavier。解析：an elephant和a horse两者对比，heavy变y为i+er。 15. 答案：thinner。解析：than before提示比较级，thin重读闭音节，双写n+er。 三、句型转换（10题，每空一词） 1. 答案：older than。解析：Sally比Tony小=Tony比Sally大，young反义词old，比较级older，搭配than。 2. 答案：is longer。解析：同义转换：他头发比Sam短=Sam的头发比他长；hair不可数，be动词用is，long比较级longer。 3. 答案：heavier than。解析：狗不如大象重=大象比狗重；heavy比较级heavier。 4. 答案：more careful。解析：Tom不如Daniel细心=Daniel比Tom细心；careful多音节形容词，比较级more careful。 5. 答案：bigger than。解析：上海是中国最大城市=上海比国内其他任何城市都大，big比较级bigger，搭配than。 6. 答案：works harder。解析：Christina不如Jolin努力=Jolin学习更努力；主语Jolin三单动词用works，hard比较级harder。 7. 答案：more carefully。解析：全班最细心=比班里其他任何学生更细心；修饰动词write用副词carefully比较级more carefully。 8. 答案：earlier than。解析：Peter到校比Lily早，early比较级earlier。 9. 答案：better than。解析：Lily画画不如Lucy=Lucy画得比Lily好，well比较级better。 10. 答案：runs faster。解析：我跑得不如姐姐快=我姐姐跑得比我快；sister三单用runs，fast比较级faster。 学科网（北京）股份有限公司 $ 人教版（新教材）八年级上册Unit 3 Same or Different? 单元核心语法精讲精练 核心语法：形容词、副词比较级 知识点1 形容词、副词比较级基础总览 1. 定义：用来对两个人、两个事物、两种情况进行对比，表示“更……”的程度差异，属于两者等级对比。 2. 核心标志词：句子常出现标志词 than（比）。 例句：He is taller than me. 他比我高。 解析：`taller` 是形容词比较级，借助 than 连接两个对比对象，完成两者程度对比。 知识点2 形容词、副词比较级的变形规则 1：规则变化 单词分类 完整变化规则 例词 补充说明 一般单音节词 词尾直接加 -er tall → taller fast→faster / 以不发音e结尾 词尾只加 -r nice → nicer late→later / 辅音字母 + y 结尾 变 y 为 i，再加 -er heavy → heavier dry → drier 元音+y直接加er： gray→grayer 重读闭音节（辅+元+辅） 双写末尾辅音，再加-er big → bigger thin → thinner w、x、y结尾单词不双写： slow → slower 多音节词、多数双音节词 单词前加 more delicious → more delicious beautiful→more beautiful 以ow/er结尾双音节词两种变法都正确： clever → cleverer / more clever 2：不规则变化（口诀：好坏多远少） 原级 比较级 good（好的，形容词） well（好地，副词） better bad（坏的） ill（生病的） worse many（修饰可数复数） much（修饰不可数） more little（修饰不可数名词） less few（修饰可数名词复数） fewer far farther：侧重实际物理距离更远 further：侧重抽象含义，进一步（如 further study 深造） 知识点3 核心基础句型 ① 同级比较句型（原级） 1. as + 形容词/副词原级 + as 释义：和……一样（肯定句） 例句：My uncle is as tall as your father. 我叔叔和你爸爸一样高 2. not as + 形容词/副词原级 + as = not so + 形容词/副词原级 + as 释义：不如……（否定句） 例句：He is not as/so outgoing as his sister. 他不如他姐姐外向。 ② 两者对比核心句型（比较级+than） 1. 搭配be动词（形容词描述人/物特征） 结构：A + be动词 + 形容词比较级 + than + B 例句：He is taller than me. 补充：口语用宾格me/him/her；书面规范用主格 I (am) 2. 搭配实义动词have/has（比较物品、外貌） 结构：A + have/has + 比较级 + 名词 + than + B 例句：She has longer hair than me. 3. 搭配普通实义动词（副词修饰动作） 结构：A + 动词 + 副词比较级 + than + B 例句：Tom runs faster than me. ③ 递进程度句型 1. 比较级 + and + 比较级 / more and more + 原级 → 越来越…… - 单音节词：better and better 越来越好 - 多音节词：more and more beautiful 越来越漂亮 2. The + 比较级，the + 比较级 → 越……，就越…… 时态规律：前半句一般现在时，后半句可用一般现在时/一般将来时 例句：The harder you study, the better grades you will get. 知识点4 必考修饰词与选择疑问句 1. 比较级修饰词 ✅ 可修饰比较级（加强程度）：much、even、still、a little、a lot、far 翻译：……得多、甚至更、稍微一点 例：She is a little quieter than me. 她比我安静一点。 ❌ 不能修饰比较级：very, quite, too（只能修饰形容词/副词原级） 2. 两者选择疑问句 1. 形容词（含be动词）：Which one / Who + be + 比较级，A or B? 例句：Which T-shirt is nicer, this one or that one? 2. 副词（含实义动词）：Which one / Who + 动词 + 副词比较级，A or B? 例句：Who runs faster, Mary or Kate? 知识点5 高频拓展考点 1. 比较对象一致原则 than 前后对比事物必须同类，单数用that替代，复数用those替代，避免异类对比。 例：The weather in Beijing is colder than that in Guangzhou. 2. 比较级表最高级含义 1. 否定词+比较级=最高级 例：I have never seen a nicer pen. 这是我见过最好的钢笔。 2. 同一范围对比：比较级 + than any other + 单数名词 例：Tom is taller than any other student in his class.（汤姆是班里最高的） 考点精练 一、单项选择（共20小题） 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 ( )1．If everyone can give a helping hand to others, the world will become ________. A．beautiful and beautiful B．beautifuller and beautifuller C．more and more beautiful D．more beautiful and more beautiful ( )2．After hearing the good news, Jenny became even ________. A．excited B．more excited C．exciting D．most exciting ( )3．Steve asked the taxi driver to drive a little ________ because there was not enough time. A．fast B．faster C．less fast D．the fastest ( )4．—Who sings _______, you or Jack? —Jack, but I dance _____ than he! A．more loudly, better B．loudly, well C．more loudly, good D．loudly, better ( )5．—What do you think of the TV play? —Oh, I’ve never watched ________. It’s wonderful. A．a good one B．the better one C．a better one D．the best one ( )6．I think the Yangtze River is ________ than any other river in China. A．the longest B．longer C．longest D．long ( )7．Jack’s ________ brother is two years ________ than him. A．elder, older B．old, older C．eld, older D．older, elder ( )8．________ you study, ________ grades you will get. A．Hard；good B．The hard；the good C．The harder；the better D．The hardest；the best ( )9．With a high-speed train station built in our city, it is much ________ for us to travel around. A．easier B．easilier C．more easy D．more easily ( )10．Mobile phones are popular now and they are _______ than before. A．cheap B．cheaper C．cheapest D．the cheapest ( )11．My little sister is much ________ than me, but she eats more ________ than I do. A．short; healthy B．shorter; healthily C．shorter; healthy D．short; healthily ( )12．The ________ we start, the ________ we’ll finish the report. A．early; quickly B．earlier; more quickly C．earliest; most quickly D．earlier; quick ( )13．— Which is _____ city, Shanghai or Beijing? —I have no idea. A．big B．bigger C．the bigger D．the biggest ( )14．—What do you think of the dress? — Great. I don’t think I can find a _______ one. A．good B．better C．bad D．worse ( )15．—What do you think is the meaning of “欲穷千里目,更上一层楼”? —________ you stand, ________ you will see. A．Higher, farther B．Higher, the farther C．The higher, farther D．The higher, the farther ( )16．—Remember this, children. _______ you do your homework, _______ mistakes you will make. —We know, Mr. Li. A．The more careful; the fewer B．The more carefully; the fewer C．The more careful; the less D．The more carefully; the less ( )17．The _________ pressure you put on yourself, the _________ you will do in the exam. A．more, worse B．much, badly C．many, bad D．more, worst ( )18．--Mum, How about this blue dress? --Great. It looks much _______ than that one. A．nicer B．nice C．more nicer D．much nice ( )19．The students in Grade 8 are ________ than they were last year. A．much taller B．more taller C．very taller D．more tall ( )20．I have ________ books than you. A．many B．much C．more D．most 二、用所给单词的适当形式填空（共15小题） 1．The weather in Hainan is ________ (hot) than that in Beijing. 2．Can you pick me up ________ (late) than usual time this afternoon? 3．Emma and Ella are twins. But Emma is ___________ (shy) than Ella. 4．—Is Julia ________ (slim) than you? —No, she isn’t. 5．This new mobile phone costs ________ (little) money than the old one. 6．The ________ (many) you practice, the ________ (confident) you will be in speaking English. 7．Who do you think draws ________ (well), Lucy or Lily? 8．This street is even ________ (narrow) than that one. It’s impossible to drive through it. 9．Who lives ________ (close) to you, your parents or your aunt? 10．Who jumps much ________ (far), Jim or David? 11．Tom writes _________ (badly) than any other student in his class. 12．In my opinion, Anna is ________ (clever) than his brother. 13．The more you help others, the ________ (happy) you will be. 14．Which is ________ (heavy), an elephant or a horse? 15．After doing sports for months, Tina is becoming ________ (thin) than before. 三、句型转换（共10小题） 按要求完成下列句子，每空一词。 1．Sally is younger than Tony. Tony is ________ ________ Sally. 2．He has shorter hair than Sam.（改为同义句） Sam’s hair __________ __________ than his. 3．A dog is not as heavy as an elephant. （同义句） An elephant is ________ ________ a dog. 4．Tom is not so careful as Daniel. (改为同义句) Daniel is __________ __________ than Tom. 5．Shanghai is the biggest city in China.（改为同义句） Shanghai is _________ _________ any other city in China. 6．Christina doesn’t work as hard as Jolin.（改为同义句） Jolin ________ ________ than Christina. 7．Tim writes most carefully in his class. (改为同义句) Tim writes _______ _______ than any other student in his class. 8．Lily got to school early. Peter got to school earlier.（合并为一句话） Peter got to school ________ ________ Lily. 9．Lily doesn’t draw as well as Lucy. (改为同义句) Lucy draws ________ ________ Lily. 10．I don’t run as fast as my sister. (同义句转换) My sister ________ ________ than I do. 学科网（北京）股份有限公司 $