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【素养导学】人教社八年级上册同步探究学案
Unit 3 Same or different第 3 课时 Section A (Grammar Focus 3a—3c)
学习寄语
语法不是死记的条文，而是描述差异的工具。在观察例句中找规律，在练习运用中内化比较级，学会理性看待人与人之间的相同与不同。
闭环学习理念
本课时为语法聚焦课，遵循"观察发现→归纳总结→操练巩固→综合运用"学习路径。依托Grammar Focus、3a-3c板块，掌握形容词、副词比较级规则变化、不规则变化；掌握-than比较句型、as…as同级比较；会用much / a little / even / far修饰比较级，落实描述人物异同的语言输出。
四维学习目标
维度 学习目标
语言能力 1.掌握形容词、副词比较级规则变化与不规则变化；
2.熟练运用A+比较级+than+B、as+原级+as、not as/so+原级+as句型；
3.会使用much, a little, even, far修饰比较级。
文化意识 在对比人物特征中理解个体差异，懂得尊重不同，接纳人与人之间的相同与不同。
思维品质 通过观察例句归纳语法规则，提升归纳推理、对比辨析的逻辑思维。
学习能力 会用分类整理的方法梳理语法；借助练习自查掌握情况，形成语法学习策略。
第一阶 · 观察发现 · Grammar Focus 3a
【考点聚焦】识别比较级形式、than标志、as…as同级比较结构。
任务一：读句子，找规律
Grammar Focus 例句：1. Is Tom smarter than Sam 2. Is Tina more outgoing than Tara 3. Does Tara work as hard as Tina 4. Who is more hard-working, Tina or Tara 5. Tina is taller than Tara.6. Tara is quieter than Tina.
1. 比较级对比标志词：________
2. "A比B更……"句型：________________________________
3. "A和B一样……"同级比较句型：______________________________
4. 加more构成比较级多为________音节形容词/副词
5. 词尾加-er构成比较级多为________音节形容词
任务二：摘抄例句
从Unit3 Section A(1a-2d)摘抄至少5个含比较级的句子，圈出比较级形式。
1. ________________________________________________
2. ________________________________________________
3. ________________________________________________
4. ________________________________________________
5. ________________________________________________
第二阶 · 归纳总结 · 比较级语法规则
【考点聚焦】比较级规则变化、不规则变化、核心句型、修饰词。
任务一：比较级变化规则表
变化规则 原形 比较级 补充示例
一般直接加-er tall taller ________→________
不发音e结尾加-r late later ________→________
辅音字母+y结尾，
变y为i+-er happy happier ________→________
重读闭音节辅元辅，双写尾字母+-er big bigger ________→________
多音节/部分双音节
前加more beautiful more beautiful ________→________
不规则 good / well better ________→________
不规则 bad / badly worse ________→________
不规则 many / much more ________→________
不规则 little less ________→________
任务二：核心句型填空
句型一：A + be/实义动词 + 比较级 + than + B1. Tom is ________(tall) than Sam.2. Tina sings ________(loudly) than Tara.3. My sister runs ________(fast) than me.
句型二：A + be/实义动词 + as + 原级 + as + B1. Tara is as ________(quiet) as Tina.2. Sam plays the drums as ________(good) as Tom.
句型三：not as/so + 原级 + as（A不如B……）1. This book is not as ________(interesting) as that one.2. Lucy doesn't sing so ________(well) as Lily.
任务三：修饰比较级的程度副词
可修饰比较级：much, a little, even, far, still, a lot；very / quite 不能修饰比较级1. This movie is ________ better than that one.（much / very）2. She is ________ taller than her sister.（a little / very）3. He works ________ harder than before.（even / very）4. The weather today is ________ warmer than yesterday.（far / quite）
第三阶 · 操练巩固 · 3b—3c
【考点聚焦】语境运用比较级，书面、对话输出。
任务一：用括号内词适当形式填空（3b）
1. I think Tom is ________ (funny) than Jerry.
2. My mother is ________ (hard-working) than my father.
3. Which is ________ (beautiful), the red dress or the blue one
4. She studies ________ (hard) than her brother.
5. This box is ________ (heavy) than that one.
6. He runs ________ (fast) than me.
7. The weather today is ________ (good) than yesterday.
8. My sister is ________ (outgoing) than me.
任务二：单项选择（3b变式）
( )1. My brother is ______ than me.
A. tall B. taller C. tallest D. more tall
( )2. Tina sings ______ than Tara.
A. loudly B. more loudly C. most loudly D. as loudly
( )3. The green bag is as ______ as the red one.
A. big B. bigger C. biggest D. more big
( )4. Lucy is ____ quiet ____ Lily.
A. so; as B. as; as C. more; than D. as; than
( )5. She works much ______ than before.
A. hard B. harder C. hardest D. more harder
任务三：补全对话（3c）
根据提示，补全对话，然后与同伴练习。A: Who is ________ (tall), Tina or Tara B: Tina is ________ than Tara.A: Who is ________ (outgoing), Tina or Tara B: Tina is ________ than Tara. She is more outgoing.A: Does Tara work ________ (hard) as Tina B: Yes, she does. Tara works ____ hard ____ Tina.A: Who sings ________ (loudly), Tina or Tara B: Tina sings ________ ________ Tara. She sings more loudly.
任务四：句型转换
1. Tom is taller than Sam.（改为一般疑问句）
________________________________________________
2. Tina is more outgoing than Tara.（改为否定句）
________________________________________________
3. Sam runs as fast as Tom.（改为一般疑问句）
________________________________________________
4. Lily is quieter than Lucy.（改为选择疑问）
________________________________________________
5. This book is more interesting than that one.（用not as…as改写同义句）
That book ______ ______ ______ ______ this one.
第四阶 · 综合运用 · 语法迁移输出
任务一：对比写作——两座城市
提示词：big, busy, hot, expensive, beautiful, populationGuangzhou and Vancouver are both big cities. Guangzhou is ______ than Vancouver. It is ______ and ______. The population of Guangzhou is much ______ than that of Vancouver. However, Vancouver is ______ and ______. The air in Vancouver is ______ than that in Guangzhou. I like both cities.
任务二：书面表达 My Best Friend and I
要求：至少6句话，用到比较级、as…as，写你和好友的异同。
参考句型： ...is taller than me. ...is as outgoing as me. ...runs faster than me. I am more hard-working than... ...sings as well as me.
My Best Friend and I
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
任务三：口语小活动——猜猜是谁
描写班级一位同学，至少三句，使用比较级，让同学猜人物。
Example：She is taller than me. She is more outgoing than Lily. She runs as fast as Tom. Who is she
Your description：
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
第五阶 · 巩固检测
建议用时：20分钟 满分：40分
【考点聚焦】本课时比较级核心知识综合运用。
一、用所给词适当形式填空（10分）
1. My hair is much ________ (long) than hers.
2. Tina is ________ (outgoing) than Tara.
3. Sam plays tennis ________ (good) than Tom.
4. This problem is ________ (difficult) than that one.
5. She is as ________ (friendly) as her mother.
二、单项选择（10分）
( )1. Tom is ______ than any other boy in his class.
A. tall B. taller C. tallest D. more tall
( )2. Lucy doesn't work ____ hard ____ Lily.
A. as; as B. so; than C. as; than D. more; as
( )3. Which is ______, the sun or the moon
A. big B. bigger C. biggest D. more big
( )4. She is ____ more beautiful than her sister.
A. very B. so C. much D. too
( )5. My brother is three years ____ than me.
A. old B. older C. oldest D. more old
三、按要求完成句子（10分）
1. Tina is taller than Tara.（改为一般疑问句）
________________________________________________
2. Sam runs as fast as Tom.（改为否定句）
________________________________________________
3. I like the red dress better than the blue one.（同义句）
The red dress is ______ ______ than the blue one.
4. Lily is 12 years old. Lucy is 14 years old.（合并比较句）
Lucy ______ ______ ______ Lily.
5. This movie is very interesting. That movie is also very interesting.（用as…as合并）
This movie ______ ______ ______ ______ that one.
四、语篇填空（10分）
good, outgoing, hard-working, quiet, friendly, interesting, funny, kind, fast, tall
My best friend is Mary. She is 1. ____________ than me—she likes to talk to everyone and make new friends. But we have one thing in common: we both love reading.
Mary is also very 2. ____________. She always helps others when they are in trouble. Last term, I failed my math test. She said, "You can do 3. ____________ if you work harder." With her help, I got a much 4. ____________ grade in the next test.
We sometimes have different ideas, but we never argue. I am 5. ____________ than Mary, but she is 6. ____________ than me. She runs very 7. ____________. Her favorite subject is English, and she is more 8. ____________ in English than me.
I think a good friend should be as 9. ____________ as possible. Mary is not only kind but also very 10. ____________. She always makes me laugh. I'm lucky to have such a good friend.
第六阶 · 项目复盘 · 总结与提升
知识盘点
类别 要点
比较级规则变化 ①-er；②-r；③变y为i-er；④双写+-er；⑤多音节加more
不规则变化 good/well-better；bad/badly-worse；many/much-more；little-less；far-farther/further
核心句型 A+比较级+than+B
同级比较 A+as+原级+as+B；not as/so+原级+as+B
修饰比较级副词 much, a little, even, far, still, a lot
自我评价量表
评价内容 能做到 基本能做到 需努力
能正确写出形容词、副词比较级 □ □ □
会用A+比较级+than+B描述差异 □ □ □
会用as…as描述相同点 □ □ □
会用much/a little修饰比较级 □ □ □
写作中灵活使用比较级句型 □ □ □
错题归因分析表
题号 错误类型 错误原因 正确答案 掌握程度
1 □词汇 □语法 □句型 □记不住 □不会用 □粗心 □已掌握 □需复习
2 □词汇 □语法 □句型 □记不住 □不会用 □粗心 □已掌握 □需复习
我的收获：
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
我的疑问：
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
参考答案
第一阶 · 观察发现
任务一 1. than2. A + be/实义动词 + 比较级 + than + B3. A + be/实义动词 + as + 原级 + as + B4. 多5. 单任务二（示例，合理即可） ① Sam has longer hair than Tom.② Sam plays them better than Tom.③ Tina is taller than Tara.④ She also sings more loudly than Tara.⑤ Tara works as hard as Tina.
第二阶 · 归纳总结
任务一（示例补充） short→shorter / nice→nicer / funny→funnier / thin→thinner / interesting→more interesting / far→farther任务二：核心句型 句型一 1. taller 2. more loudly 3. faster句型二 1. quiet 2. well句型三 1. interesting 2. well任务三：程度副词 1. much 2. a little 3. even 4. far
第三阶 · 操练巩固
任务一：适当形式填空 1. funnier 2. more hard-working 3. more beautiful 4. harder 5. heavier 6. faster 7. better 8. more outgoing任务二：单项选择 1. B 2. B 3. A 4. B 5. B任务三：补全对话 taller / taller / outgoing / more outgoing / as / as; as / more loudly / more loudly than任务四：句型转换 1. Is Tom taller than Sam 2. Tina is not more outgoing than Tara.3. Does Sam run as fast as Tom 4. Who is quieter, Lily or Lucy 5. is not as interesting as
第四阶 · 综合运用
任务一（示例，合理即可） bigger / busier / hotter / larger / more beautiful / cleaner / fresher任务二、三 开放作答，无固定答案
第五阶 · 巩固检测
一、适当形式填空 1. longer 2. more outgoing 3. better 4. more difficult 5. friendly二、单项选择 1. B 2. A 3. B 4. C 5. B三、按要求完成句子 1. Is Tina taller than Tara 2. Sam doesn't run as fast as Tom.3. more beautiful4. is older than5. is as interesting as四、语篇填空 1. more outgoing 2. kind 3. better 4. better 5. taller 6. more hard-working 7. fast 8. interested 9. friendly 10. funny
第六阶 · 项目复盘
自我评价量表、错题归因分析表、学习收获与疑问均由学生根据个人实际情况填写，无标准答案。
写作参考范文
My Best Friend and IMy best friend is Li Ming. He is taller than me, but I am heavier than him. He is more outgoing than me, so he has many friends. I am quieter than him and I like reading books in my free time.We both like sports. Li Ming runs faster than me, but I swim better than him. We are both hard-working. I study as hard as him. We often help each other with homework.Although we are different, we are good friends. I think friends don't need to be the same. We can learn from each other and become better together.
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