Unit3 Section A (3a-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人教版八年级上册Unit 3形容词比较级及同级比较（the same as/be different from）核心知识点，通过歌曲《It Gets Better》导入，引导学生找出比较级词汇，再结合3a句子感知用法，逐步过渡到语法规则系统讲解，构建从感知到理解再到应用的学习支架。 其亮点在于融合语言能力与思维品质培养，如3c环节利用广州和温哥华的图表数据进行对比写作，锻炼信息提取与比较表达能力，语法部分通过规则归纳、句型转换等分层练习，提升逻辑分析能力。同步练习题涵盖单词、语法、阅读、写作，全面巩固知识，助力学生提升语言运用能力，也为教师提供系统教学资源，提高课堂效率。

人教版英语八年级上册精做课件 授课教师： . 班 级： 8年级（ ）班 . 时 间： . 2026年7月6日 Unit3 Section A (3a-3c) Unit 3 Same or Different? 人教版八年级上册英语Unit3 Section A (3a-3c) 同步练习题 适用范围：人教版八年级上册 Unit3 Same or Different Section A 3a-3c 考查重点：the same as / be different from 核心句型、形容词比较级与同级辨析、most、both 用法、人物对比写作、细节阅读题型 满分：100分 答题时间：40分钟 一、基础过关：单词与短语速记（20分） （一）根据汉语提示补全单词（每空2分，共10分） 1. We have the ________ (相同的) hobbies and always play together. 2. My lifestyle is ________ (不同的) from my brother’s. 3. They are ________ (两者都) good at playing the piano. 4. I think reading is ________ (更有趣的) than watching TV. 5. He is the ________ (最勤奋的) student in our group. （二）核心短语英汉互译（每题2分，共10分） 1. the same as ________________ 2. be different from ________________ 3. 擅长 ________________ 4. 和……一样高 ________________ 5. 在某些方面 ________________ 二、语法专项：同级与比较级辨析（26分） （一）用所给单词适当形式填空（每题2分，共12分） 1. Tom runs as ________ (fast) as his best friend. 2. This book is ________ (good) than that one. 3. Lucy is ________ (quiet) than her twin sister. 4. My classroom is as ________ (clean) as yours. 5. He is ________ (popular) than most students in his class. 6. Of all the students, Jack is the ________ (careful). （二）单项选择（每题2分，共14分） 1. My pen is the same color ________ yours. A. as     B. from     C. with 2. This sweater is different ________ that one. A. to     B. from     C. in 3. Both Linda and Lily ________ dancing. A. like     B. likes     C. liking 4. He is ________ outgoing than me, so he has more friends. A. more     B. much     C. very 5. — Who is ________, Sam or Tony? — Tony. He always works harder. A. smart     B. smarter     C. the smartest 6. My mother is as ________ as my father. A. busy     B. busier     C. busiest 7. ________ of my parents likes watching movies. A. Both     B. All     C. Either 三、句型转换与完成句子（24分） （一）句型转换（每题3分，共12分） 1. Tom is taller than Mike.（改为同义句） Mike is ________ ________ Tom. 2. My bag is the same as yours.（改为否定句） My bag is ________ ________ yours. 3. Both of us like playing soccer.（改为一般疑问句） ________ ________ of you like playing soccer? 4. She is more careful than her brother.（改为同级比较） Her brother isn’t ________ careful ________ her. （二）根据中文提示完成句子（每题3分，共12分） 1. 我和我的姐姐在很多方面一样。 My sister is ________ ________ me in many ways. 2. 我的爱好和你的不同。 My hobbies are ________ ________ yours. 3. 他和我一样勤奋。 He is ________ ________ ________ me. 4. 我们两个都喜欢听音乐。 ________ ________ us like listening to music. 四、完形填空（10分） Lucy and Kate are good friends. They look similar but they are not 1 same. In some ways, they are different. Lucy is outgoing and talks 2 (loudly) than Kate. She is good at dancing. Kate is quiet. She is 3 (hard-working) than Lucy, so she does better in schoolwork. 4 girls have one thing in common. They are both kind and helpful. Lucy’s lifestyle is almost the same 5 Kate’s. They exercise every day and never eat junk food. True friends don’t need to be exactly the same. 根据短文内容，选择最佳答案（每题2分，共10分） 1. A. a     B. the     C. / 2. A. loud     B. louder     C. more loudly 3. A. more hard-working     B. hard-working     C. harder work 4. A. All     B. Both     C. Each 5. A. as     B. from     C. with 五、阅读理解（20分） Different people have different best friends. Some people think friends should be the same, but I don’t agree. My best friend is Anna. She is quite different from me. I am quiet and shy, but Anna is very outgoing. She speaks more loudly and makes more friends than me. I like staying at home and reading books, while Anna likes outdoor sports. However, we also have many similarities. We are both hard-working and we both love music. We can always share our feelings and help each other. In my opinion, friends can be different. The most important thing is that they truly care about each other and bring happiness to each other. 根据短文内容，选择最佳答案（每题4分，共20分） 1. The writer’s best friend is ________. A. Anna     B. Lucy     C. Kate 2. Anna is ________ than the writer. A. quieter     B. more outgoing     C. more shy 3. What do the writer and Anna both like? A. Sports     B. Reading     C. Music 4. Which of the following is TRUE? A. They are exactly the same. B. They help and share with each other. C. The writer is more active. 5. What does the writer think of friends? A. Friends must be the same. B. Different friends can also be good friends. C. Same friends are better. 六、参考答案与解析 （一）基础过关 1.（1）same （2）different （3）both （4）more interesting （5）most hard-working 2.（1）与……相同 （2）与……不同 （3）be good at （4）as tall as （5）in some ways （二）语法专项 1.（1）fast （2）better （3）quieter （4）clean （5）more popular （6）most careful 2. 1.A 2.B 3.A 4.A 5.B 6.A 7.C （三）句型转换与完成句子 1.（1）shorter than （2）different from （3）Do both （4）as; as 2.（1）same as （2）different from （3）as hard-working as （4）Both of （四）完形填空 1.B 2.C 3.A 4.B 5.A （五）阅读理解 1.A 2.B 3.C 4.B 5.B 重难点总结 1. 核心句型：as + 原级 + as（和……一样），否定形式：not as/so + 原级 + as（不如……）； 2. 固定搭配：the same as（与……相同）、be different from（与……不同）、in some ways（在某些方面）； 3. both用法：both of us/you/them 作主语，谓语动词用原形； 4. 考点辨析：同级比较用原级，两者比较用比较级，三者及以上用最高级。 Warm up What adjectives can you find in the song? Grass gets ________. Days gets _________. Sun gets ________. ________and ________. Dreams get _______. Smiles get ________. Love gets ________. ________ and ________. I don’t care about the things that they say. All I know is that everything’s going my way. It gets ______. Oh~ It gets ______. It gets ______. ______and _______. What do these words have in common? greener warmer brighter Brighter brighter bigger wider stronger Stronger stronger better better better Better better Comparatives 比较级 Read the sentences and notice the comparatives in bold. Find more examples in Section A. 3a 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! There are more activities this year. It is more colourful than last year. 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） 什么时候使用比较级？ 想一想： 形容词和副词的比较级构成是怎样的？ 形容词和副词的比较级用法是怎样的？ Comparatives Grammar 定义 形容词和副词的比较级的构成 常用句型结构 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 Look and say taller more colourful shorter better louder more funnier earlier lazier more outgoing bigger nicer Can you find out the rules of comparative degree? 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.excting______________ 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 常用句型结构 基本用法 (1)A+ be 动词+形容词比较级+than+ B. A+实义动词+副词比较级+than+ B. This box is heavier than that one. 这个箱子比那个箱子重。 Tom runs faster than Jim. 汤姆跑得比吉姆快。 意为“A 比 B 更……” (2) A+ be 动词+倍数+形容词比较级+than+ B. A+实义动词+倍数+副词比较级+than+ B. This ball is four times bigger than that one. 这个球是那个球的四倍大。 意为“A是B 的……倍……” (3)A+ be 动词+the+ 形容词比较级+of the two(+其他). Mary is the shorter of the two. 玛丽是这两个人中较矮的那个。 A是两者中较……的 (4) Which/Who+be 动词+形容词比较级, A or B? Which/Who+实义动词+副词比较级, A or B? 意为“哪一个/谁更……，A 还是 B？” Which boy is more outgoing, Tom or Jim? 哪一个男孩更外向，汤姆还是吉姆？ Who dances better, Kate or Jane? 谁跳舞跳得更好，凯特还是简？ (5) A+ be动词+形容词比较级+than any other+ B（可数名词单数）（+其他）． He is taller than any other boy in his class. =He is taller than the other boys in his class. 他比他班里的其他任何一个男生都要高。 重难点 A+ be动词+形容词比较级+than the other+ B（可数名词复数）（+其他）． “A 比其他任何 B 都……”，表示在同一范围内进行比较。这种情况其实是用比较级表达最高级的意思。 （他跟班上的其他男孩比较，属于同一范围） (6) A+ be动词+形容词比较级+than any + B（可数名词单数）（+其他）． China is larger than any country in Africa. 中国比非洲的任何国家都大。 “A 比任何 B 都……”，表示在不同范围内进行比较。 （中国跟非洲的国家不属于同一范围） 重难点 It’s getting colder and colder in winter. 冬天天气变得越来越冷了。 ◆ The town is becoming more and more beautiful. 这个小镇正变得越来越美丽。 特殊用法 意为“越来越……” (7) 比较级+and+比较级 more and more+ 形容词/副词原级（多音节词和部分双音节词） (8) the+比较级, the+比较级 意为“越……，就越……” The more you laugh, the happier you’ll feel. 你笑得越多，你就会感到越开心。 特殊用法 注意：形容词和副词的比较级前可用much, a little, a lot, far, even, still, any, no, four times等修饰。但不能用so, very, too等来修饰。 We have a much better life now. 我们现在好得多了。 This story is even more interesting than that one. 这个故事比那个更有趣。 注意 I made a lot more mistakes than you (did). 我犯的错误比你多多了。 Your cake is a little larger than mine. 你的蛋糕比我的大一点儿。 It’s still colder today. 今天更冷一些。 —Have you any more? 你还有吗? —Oh, sorry, no more. 哦，对不起，没有了。 She’s no better yet. 她一点也没好转。 Use the words in brackets to write questions and answers. 3b 1. Q: Is Julie slimmer than you?(Julie/slim/you) A: No, she isn’t. She is as slim as me. 2. Q: ____________________________________? (you/serious/cousin) A: No, I’m not. I am ________________than he is. Are you more serious than your cousin less serious 苗条的；薄的 3. 1. Q: _______________________? (Tom/smart/Sam) A: No, I don’t think so. I think Sam is as ______ as Tom. 4. 1. Q: _____________________________? (Jack/swim/fast/Sally) A: No, he doesn’t. He swims as ______ as Sally. Is Tom smarter than Sam smart Does Jack swim faster than Sally fast 我认为不是这样。表示否定对方的意见或观点，其肯定形式为“I think so.”。 What cities can you see from the pictures? 3c Guangzhou Vancouver 广州 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 7 月平均气温 in fact事实上；实际上 Look at the chart. Then complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. 3c 1. The population of Vancouver was ___________that of Guangzhou in 2024. 2. In area, Guangzhou is _______________Vancouver. large small much warm cool smaller than larger than 指代“the population” 3. It rains ______ in Guangzhou ______ in Vancouver. 4. Guangzhou has a pleasant temperature in January. It is ______________ Vancouver in January. 5. Vancouver is _____________ Guangzhou in July. large small much warm cool more than warmer than cooler than 单独作主语时，谓语动词用第三人称单数形式。 The population of the ancient town is over 20 thousand. 这个古镇的人口超过两万。 重点单词讲解 (1)population /ˌpɒpjuˈleɪʃn/ n. 人口 高频 表示人口“多”或“少”时，常用 large，big 或 small。 China has a large population. 中国人口众多。 ②询问某地的人口数量时，用“What’s the population of...?” What’s the population of the UK? 英国的人口是多少？ =The population of this community is about five thousand. ③表示“某地有多少人口”时，用“... have/has a population of+数字.”或“The population of ... is+数字.” 。 This community has a population of about five thousand. 这个社区有大约五千人口。 ①adj.平均的；平常的 average age 平均年龄 (2) average /ˈævərɪdʒ/ What is the average rainfall for August in your country? 你们国家八月份的平均降雨量是多少？ ②n.平均数；平均水准 on average 平均而言；通常地 On average, she spends two hours per day doing housework. 平均而言，她每天花两小时做家务。 ①宜人的；舒适的 近义词：comfortable (3) pleasant /ˈpleznt/ adj. The weather is pleasant today. 今天天气宜人。 ②友好的 同义词：friendly The girl is pleasant and she always has a smile on her face. 这个女孩很友好，她总是面带微笑。 ③令人愉快的 We spent a pleasant evening by the lake. 我们在湖边度过了一个愉快的夜晚。 高频 拓展：pleasant的相关词： please v. 使满意；使愉快 pleasure n. 乐事；愉快；荣幸 pleased adj. 满意的；高兴的 pleasant adj. 宜人的；友好的；令人愉快的 常描述或说明事物的特征 常说明人的感受 I’m ________ that I had a ________ journey. It brought much __________ to me. I bought some gifts for my parents to _______ them. 我很高兴有一次令人愉快的旅行。它给我带来了很多快乐。我给我父母买了一些礼物来让他们高兴。 请用pleased, pleasant, pleasure和please 填空。 pleased pleasant pleasure please that it one 辨析：that，it与one 特指上文提到过的那类事物，常用在有比较级含义的句子中，其复数形式为those 重点知识 The population of Vancouver was smaller than that of Guangzhou in 2024. 高频 指代前面提到的同一事物，即同类同物 泛指前面提到的同类人或物中的一个， 即同类不同物 ◇ The weather in Beijing is colder than that in Shanghai. 北京的天气比上海的天气冷。 ◇The silk scarf is nice. I like it. 这条丝巾好看。我喜欢它。 ◇ I don’t have a pen. Can you lend me one? 我没有钢笔。你能借我一支吗？ 例句： 一、用所给词的适当形式填空 1.The streets in our city are 　 (clean) than before. 2.There is a saying，“Actions speak 　 　 (loud) than words.” 3.Which do you think is 　 　 (difficult)，math or English? 4.To keep healthy，you should eat more vegetables and 　 . (little) meat. 5.With his teacher’s help，he can learn the new subject 　 　 . (easy) than before. 返回 cleaner louder more difficult less more easily 二、单项填空 (　　)6.—Look at that toy truck.It’s so beautiful.—Yes.It looks like a real one.It’s just 　 　. A.big B.bigger C.small D.smaller 【点拨】根据“Look at that toy truck.”以及“It looks like a real one.”可知，此处指玩具卡车比真的卡车小，应用small的比较级。故选D。 D 返回 (　　)7.—They are twins.I don’t know which one of them is Tina.—Tina is 　 　 of the two. A.strong B.the taller C.the tallest D.shorter 【点拨】根据“of the two”可知，两者中的比较要用比较 级，此处是特指，比较级前要加the。故选B。 B 返回 (　　)8.—Does Liu Jun sing as 　 　 as Lin Tao? —No.Lin Tao sings 　 　 than him. A.well；better B.good；better C.better；well D.better；better 【点拨】第一空需要副词修饰动词sing，as...as...结构中两个as之间用副词原级；第二空由than可知是比较级。故选A。 A 返回 (　　)9. The population of India 　 　 over 1.4 billion.And it is becoming 　 　. A.is；more and more B.is；larger and larger C.are；more and more D.are；larger and larger 【点拨】根据population可知第一空用be动词is；形容人口数量，应用larger and larger表示“越来越多”，more and more不用于描述人口数量。故选B。 B 返回 (　　)10. —What do you think of his great success? —The 　 　 one is，the 　 　 he will be. A.more hard-working；luckier B.most hard-working；luckiest C.most hard-working；luckier D.more hard-working；luckiest 【点拨】“the ＋比较级，the ＋比较级”结构，表示 “越……就越……”。故选A。 A 返回 返回 三、按要求完成句子 11.Tom is the same height as Jack.(改为同义句) Tom is 　 　 　 　 　 　 Jack. 12.Larry is as hard-working as Huang Lei.(改为否定句) Larry is 　 　 　 　 　 　 　 　 Huang Lei. 13.Jack’s sells clothes the most cheaply of all.(改为同义句) Jack’s sells clothes 　 　 　 　 　 　 the others. as tall as not as/so hard-working as more cheaply than 14.长江比中国其他任何河流都长。(根据汉语提示完成句子) The Yangtze River is 　 　 　 　 any other river in China. 15.Tony gets up at 7：00 every day.Jimmy gets up at 7：30 every day.(用比较级改写句子) Jimmy gets up 　 　 　 Tony every day. longer than later than 返回 返回 四、根据短文内容，用所给词的适当形式填空 Yesterday was very 16.　 　 (cold ).It snowed all day and everything was white.My sister and I woke up 17.　 　 (early) than usual.We were excited because the snow was 18.　 　. (deep) than ever before and we wanted to go outside and play.My parents dressed us in much 19. 　. (warm) clothes，and then we went out into the garden. cold earlier deeper warmer We built a 20.　 (big) snowman than other children’s. When the snow fell 21.　 　 (hard) than ever，we came inside to warm up. bigger harder 返回 Make a presentation about your chart The population of … is larger/bigger/smaller than that of … In area, … is larger/smaller than ... It rains more/less in … than in … … has a … temperature in January. It is … than … in January. … is … than … in July. $