Unit 3 Same or Different Section A Grammar Focus3a-3c课件2026-2027学年人教版英语八年级上册

该初中英语课件聚焦形容词和副词比较级的构成及用法，课堂导入从图片对比Jack与Peter差异切入，结合Section A旧例句建立知识联系，通过语法聚焦梳理原级定义、比较级变化规则及用法，搭建从具体到抽象的学习支架。 其亮点在于融合语言能力与思维品质培养，通过广州与温哥华人口、面积等数据对比任务，引导学生运用比较级描述差异，课堂知识竞赛增强互动。练习涵盖选择、填空、句子转换，助力学生巩固知识，教师可直接用于课堂互动与能力训练。

Unit 3 Same or Different? Section A (3a-3c) R·八年级上册 Jack Peter Jack is... Peter is... Find their differences in the picture. The more, the better. Read Section A and find more examples. Who dances better, Ella or Emma?（Section A, 1e） —Is Ella taller than Emma? —No, she is shorter than Emma.（Section A, 1e） I’m a little quieter than Ella. And she is funnier than me.（Section A, 2a） Many people say I’m lazier than Emma...（Section A, 2a） There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella’s. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! Grammar Focus Read the sentences and notice the comparatives in bold. 写出黑体单词的原级 any—more colourful—more colourful tall—taller short—shorter well—better loud—louder early—earlier 原级就是形容词或副词的原形 3a Lisa is shorter than Mike. 大多数形容词和副词有三个等级：原级、比较级和最高级。其中比较级表示“更……”，用于两者（人或事物）之间的比较，说明“前者比后者更……”。 定义 形容词和副词的比较级的构成 比较级的变化规则 例词 单音节词和部 分双音节词 一般在词尾加-er tall→taller fast→faster 以字母e结尾的词，在词尾加-r large→larger nice→nicer 以“辅音字母+y”结尾的双音节词，变y为i，再加-er lazy→lazier early→earlier 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再加-er big→bigger fat→fatter 比较级的变化规则 例词 在词前加more outgoing→ more outgoing forgetful→ more forgetful many/much →more little →less good/well →better bad/badly/ill →worse far →farther/further old →older/elder 多音节词和部分双音节词 特殊记忆 _____________ __________ 18.friendly 19.beautifully 说出下面单词的比较级形式。 1.nice ______ 2.fat ______ 3.slow ______ 4.dry ______ 5.happy ______ 6.wet ______ 7.much ______ 8. ill ______ 9.little ______ 10.bad ______ 11. thin ______ 12.far ______ 13.early ______ 14. easy ______ 15.few ______ 16.exciting______________ 17.careful ______________ nicer fatter slower drier happier wetter more worse less worse thinner farther/further earlier fewer easier more exciting more careful friendlier/ more friendly more beautifully 1. 在形容词和副词的比较级前，可以用 much / a lot / far (……的多), a little / a bit (……一点), even （甚至）, still （仍然）,three times(三倍)等修饰 如：I’m feeling much better today. My brother is a little taller than me. 2. 比较级常用句型 ①  “比较级＋and＋比较级”意为“越来越……” ，多音节比较级用“more and more＋形容词原级”形式。 如：The group became more and more popular. ②    the+比较级...，the+比较级...“越……,越……” 如：The more, the better. The harder you work, the better grades you'll get. ③“Which / Who is + 比较级…？”比较两者, 问其中哪一个较……时用此句型。 如：Which T-shirt is nicer, this one or that one? Who is more active, Mary or Kate?    ④  the + 比较级 + of the two，意为“两者中较……的”  如：Look at the two women. My mother is the taller of the two. 3. 同级比较       as + 形容词或副词原形 + as    表示两者在某一方面相同    not as / so+形容词或副词原形 + as    表示两者在某一方面不同 如：I work as hard as her. I don’t work as / so hard as her. 用法归纳 Use the words in brackets to write questions and answers. Q: Is Julie slimmer than you? (Julie / slim / you) A: No, she isn’t. She is as slim as me. 2. Q: ________________________________? (you / serious / your cousin) A: No, I’m not. I am ______________ than he is. 3. Q: ____________________________?(Tom / smart / Sam) A: No, I don’t think so. I think Sam is as ________ as Tom. 4. A: ____________________________? (Jack / swim / fast / Sally) A: No, he doesn’t. He swims as ________ as Sally. Are you more serious than your cousin less serious Is Tom smarter than Sam smart Does Jack swim faster than Sally fast 3b What cities can you see from the pictures? 3c Guangzhou 广州 Vancouver 温哥华 Let’s make comparisons! Population[2024] 18.978 million 0.76 million Area 7, 436 square km 115 square km Average rainfall per year 1,923 mm 1,475mm Average January temperature 16℃ 5℃ Average July temperature 31℃ 18℃ What information can you read from the chart? Guangzhou Vancouver Facts 人口 面积 年平均降雨量 1 月平均气温 3c large small much warm cool 1. The population of Vancouver was ___________ that of Guangzhou in 2024. 2. In area, Guangzhou is _______________ Vancouver. 3. It rains ________ in Guangzhou ______ in Vancouver. Guangzhou’s. 4. Guangzhou has a pleasant temperature in January. It is ____________ Vancouver in January. 5. Vancouver is ________________ Guangzhou in July. smaller than larger than warmer than cooler than than more 3c 一、单项选择。 1. He feels ________today than yesterday. A. tired B. more tired C. more tireder D. much tired 2. Of the two toys, the child chose _______. A. the more expensive one B. one most expensive C. a least expensive D. the most expensive one 3. This apple is_______ greener than that one. A. little B. a little C. more D. many B B A 4. —What’s the weather like tomorrow? —The radio says it is going to be even ________. A. bad B. worst C. badly D. worse 5. He never does his work _______ Mary. A. as careful as B. so careful as C. as carefully as D. carefully as D C 二、用括号内所给单词的适当形式填空。 1. This bridge is the _______ (short) of the two. 2. This elephant is three times ______ (big) than that tiger. 3. Bob’s grandma is eighty, but she looks much ________ (young) than she is. 4. I think maths is _____________ (difficult) than English. It’s hard for me to learn it well. 5. —Which dog do you think is _____ (lazy), Hobo or Eddie? —I think Eddie is. shorter bigger younger more difficult lazier 6. My brother is two years __________(old) than me. 7. Tom is as _______(fat) as Jim. 8. Is your sister __________(young) than you? Yes, she is. 9. Who is ___________(thin), you or Helen? Helen is. 10. Whose pencil-box is _______(big), yours or hers? Hers is. 11. Mary’s hair is as __________(long) as Lucy’s. 12.Ben jumps________ (high) than some of the boys in his class. 13.______ Nancy sing __________ (well) than Helen? older fat younger thinner bigger long higher Does better 14.Lianyungang Huaguoshan Airport will open up international flights. It will make it (easy) for us to travel abroad. 15.If you learn more about safety rules, you will be much _________(safe). 16.I like playing tennis. I think nothing is __________ . (enjoyable) than playing tennis. 17.Bruce jumps _____ （far） than most of the students in his class. easier safer farther/ further more enjoyable cool→  18.I think the harder I work, the (good) I will be. 19.We students now use (few) throwaway products than before. 20.The Yellow River isn’t so （long） as the Yangtze River. It is (short) than the Yangtze River. better fewer long shorter cool→ 三、按要求完成句子 1.由于环境保护，山越来越绿了。(完成译句) Thanks to environmental protection, the mountains are becoming . 2.他的心像石头一样沉重。(完成译句) His heart is a stone. 3. Judy has fewer magazines than Amy.(同义句转换) Amy has magazines Judy. 4.Jane doesn’t run as fast as Mary.(保持句意不变) Mary runs Jane. greener and greener as heavy as more than faster than 四. 翻译句子。 1. 刘英是我朋友，她比我外向一点。 __________________________________________ __________________________________________ 2. 安跳舞跳的比丽萨好。 _______________________________     3. 我认为她唱歌比丽丽好。 ________________________________ Ann dances better than Lisa.         Liu Ying is my friend. She’s a little more outgoing than me. I think she sings better than Lily.        4. 在学校里谁更用功？ __________________________________ 5. 琳达跟杰克一样用功吗？ _________________________________ 6. 你比你姐姐更外向吗？ _____________________________________ 7. 我认为莉莉比她姐姐更聪明。 ____________________________________ Who’s more hard-working at school? Does Linda work as hard as Jack? Are you more outgoing than your sister? I think Lily is smarter than her sister. Homework 1.熟记并掌握形容词和副词比较级的构成及用法。 2.课后查阅资料，对比两个城市，并写一份报告。 3.完成课后语法巩固练习。 $