Unit 2 课本知识预习+巩固练习（导学案）新六年级英语暑假自学课（外研版三起·新教材）

外研版三起新六年级暑假自学课 Unit 2 单元知识整合 一、必会词汇 opinion 意见，看法，主张 fact 事实；真相 peel （水果和蔬菜的)外皮 than 比（用于两个事物的比较，引出第二个事物） health 健康（状况） grey 灰色；灰色的 dinosaur 恐龙 line 线，线条 debate 讨论，辩论 fairy tale 童话;神话 explore 探讨，探究 truth 事实，真相，实情 reason 原因，理由 二、重点短语 eat the peel 吃果皮 wash...carefully 仔细清洗…… an apple a day keeps the doctor away 一日一苹果，医生远离我（经典谚语） have a debate 展开辩论 talk about 谈论 take care of 爱护；照顾 take care of nature 爱护自然 different ideas 不同的观点 Model United Nations (Model UN) 模拟联合国 show love 表达爱意 fairy tales 童话故事 glass shoes 水晶鞋 facts and opinions 事实与观点（单元核心短语） come true （梦想）实现 find the truth 探寻真相 have a debate 展开辩论 colour big animals 给大型动物涂色 give gifts 赠送礼物 say no to plastic bags 拒绝塑料袋 be sad 难过的 be angry 生气的 be unhappy 不开心的 be tired 疲惫的 taste better 尝起来更好 三、核心句型 1. Apples with the peel are healthier than apples with no peel. 带皮的苹果比削皮的苹果更健康。 2. Apples with no peel taste better than apples with the peel. 削皮的苹果尝起来味道更好。 3. It's easier and faster than peeling apples.（连皮吃）比削皮更简单、更快捷。 4. Why not just eat it with the peel? 为什么不干脆连皮一起吃呢？ 5. Health is more important than a nice taste. 健康比美味更重要。 6. Grey crayon is shorter than the other crayons. 灰色蜡笔比其他蜡笔短。 7. This apple is making our picnic more interesting. 这个苹果让我们的野餐变得更有趣。 8. What's your opinion about the saying? 你怎么看待这句谚语？ 9. We all have different ideas. 我们都有不同的想法。 10. What are Yellow and Orange talking about? 黄蜡笔和橙蜡笔在聊什么？ 11. Why is Grey crayon shorter than the others? 灰色蜡笔为什么比别的短？ 12. How about a black rainbow next time? 下次画一道黑色的彩虹怎么样？ 4、 重难点突破 1. 形容词比较级 ① 基础比较级句型：A + be + 比较级 + than + B 用法：表达 “A 比 B 更……”，本课最高频句型。 例句：Health is more important than a nice taste.健康比美味更重要。 This apple is making our picnic more interesting.这个苹果让我们的野餐变得更有趣。 ② 多音节形容词比较级：more + 形容词 用法：interesting / important 等长单词，前面加 more 表 “更……” 例句：more interesting 更有趣；more important 更重要 ③ 不规则比较级：good → better 例句：It is better to eat the peel. 连皮吃会更好。 【进阶训练】单项选择 1. Health is ______ than a nice taste. A. important B. more important C. importanter 2. This story is ______ than that one. A. interesting B. more interesting C. interestinger 3. Eating apples with peel is ______. It's ______ than eating apples without peel. A. good; better B. better; good C. good; gooder 4. The grey crayon is ______ than the pink one. A. short B. shorter C. more short 5.This game makes our class ______. It is ______ than before. A. fun; more fun B. funny; funnier C. funny; more funny 解析： 1. B 解析：important 是多音节词，比较级加 more。 2. B 解析：interesting 是多音节词，比较级为 more interesting。 3. A 解析：第一空用原级 good；good 不规则变化，比较级是 better。 4. B 解析：short 直接加 er 变为比较级 shorter。 5. B 解析：funny 以辅音 + y 结尾，比较级变 y 为 i 加 er，即 funnier。 2. 提建议句型（对话课文核心） Why not + 动词原形？ 含义：为什么不做…… 呢？（委婉提建议） 课文原句：Why not just eat it with the peel? 为什么不直接连皮吃呢？ 【进阶训练】单项选择 1. Why not ______ an apple? It's healthy. A. eat B. eats C. eating 2. Why not ______ the apple carefully? A. washes B. wash C. to wash 3. — I don't know what to do. — Why not ______ your friends for help? A. ask B. asks C. asking 4. Why not ______ the peel? It's healthier. A. eat B. to eat C. eats 5. Why not ______ our picnic now? A. starts B. start C. starting 解析： 知识点：固定句型 Why not + 动词原形，用于提出建议，意为 “为什么不…… 呢？”，空格后必须使用动词原形。 1. 答案：A。解析：Why not 后接动词原形，所以用 eat。 2. 答案：B。解析：Why not 后接动词原形，排除 washes（第三人称单数）、to wash（不定式），选 wash。 3. 答案：A。解析：Why not 后接动词原形，选 ask。 4. 答案：A。解析：Why not 后接动词原形，排除 to eat、eats，选 eat。 5. 答案：B。解析：Why not 后接动词原形，排除 starts、starting，选 start。 3. 观点表达句型 ① 询问观点 What's your opinion about...? 你对…… 有什么看法？ 例句：What's your opinion about the saying? 你怎么看待这句谚语？ ② 表达赞同 / 反对 I think... 我认为…… 课文原句：I think the saying is right. 我认为这句谚语是对的。 I don't think so. 我不这么认为。 ③ 表达不同看法 We all have different ideas. 我们都有不同的想法。 【进阶训练】单项选择 1. ________ your opinion about this story? A. What B. What's C. How 2. — Do you think apples are healthy? — ________. Apples are good for us. A. I don't think so B. I think so C. We have different ideas 3. — Is the saying good? — ________. I disagree (不同意). A. I think so B. I don't think so C. I think it is right 4. We don't have the same idea. ________. A. I think the saying is right B. What's your opinion C. We all have different ideas 5. — ________ about eating apples with peel?— I think it's healthy. A. What's B. What's your opinion C. How do you 解析： 1. 答案：B。解析：固定句型 What's your opinion about...?（询问观点），句子缺少 is，故选 What's。 2. 答案：B。解析：答句 “苹果对我们有益” 表示赞同。I think so 表示认同对方观点；A 表反对，C 表示想法不同，均不符合语境。 3. 答案：B。解析：题干中 disagree 意为 “不同意”，需用表反对的句型 I don't think so。 4. 答案：C。解析：前半句 “我们想法不一致”，和 We all have different ideas（我们都有不同的想法） 表意一致。 5. 答案：B。解析：本题考查固定问句 What's your opinion about...?，用来询问看法，A、C 结构不完整。 4. 特殊疑问句的用法： 4. 疑问句 ① What 引导（问事物、动作、内容） 例句：What does Tom want to eat first? 汤姆最先想吃什么？ What are they talking about? 他们在谈论什么？ What are Yellow and Orange talking about? 黄蜡笔和橙蜡笔在聊什么？ ② Why 引导（问原因，阅读必考） Why + be + 主语 + 情绪形容词？…… 为什么感到……？ 例句：Why is Grey crayon shorter than the others? 灰色蜡笔为什么比别的短？ Why is Pink crayon angry? 粉色蜡笔为什么生气？ Why is Black crayon unhappy? 黑色蜡笔为什么不开心？ ③ 选择疑问句（二选一提问） Which + 名词 + do you like, A or B? 你喜欢 A 还是 B？ 例句：Which fruit do you like, bananas or oranges? 你喜欢香蕉还是橙子？ 回答：I like... because... 我喜欢…… 因为…… 【进阶训练】 一、单项选择 ( )1.— ______ does Tom want to eat?— He wants an apple. A. What B. Why C. Which ( )2.— ______ are they talking about?— They are talking about colours. A. Why B. What C. Which ( )3.— ______ is Pink crayon angry?— Because Duncan never uses it. A. What B. Which C. Why ( )4.— ______ crayon is shorter, Grey or Black?— Grey crayon. A. What B. Which C. Why ( )5.— ______ is Black crayon unhappy?— Because he is only used for lines. A. Why B. What C. Which ( )6.— ______ fruit do you like, apples or bananas?— Apples. A. What B. Why C. Which 二、选词填空（What / Why / Which） 1.________ are you doing? 2.________ is the grey crayon tired? 3.________ colour do you like, red or yellow? 4.________ does she want to drink? 5.________ are they having a debate? 一、单项选择 1. 答案：A。解析：答句回答 “一个苹果”，是事物，What 用于询问 “什么”；Why 问原因，Which 问 “哪一个”，故选 A。 2. 答案：B。解析：答句回答 “颜色”，是谈论的内容，用 What 提问 “谈论什么”，故选 B。 3. 答案：C。解析：答句以 Because（因为）开头，说明问句是询问原因，用 Why，故选 C。 4. 答案：B。解析：题干给出 Grey 和 Black 两者进行选择，Which 用于在指定范围内挑选 “哪一个”，故选 B。 5. 答案：A。解析：答句用 Because 解释原因，提问原因用 Why，故选 A。 6. 答案：C。解析：题干给出 apples 和 bananas 两种水果供选择，属于选择疑问句，用 Which，故选 C。 二、选词填空（What / Why / Which） 1. What 解析：句意：你正在做什么？询问动作、事情，用 What。 2. Why 解析：句意：灰色蜡笔为什么疲惫？询问原因，用 Why。 3. Which 解析：句意：你喜欢哪个颜色，红色还是黄色？两者选一，用 Which。 4. What 解析：句意：她想喝点什么？询问事物，用 What。 5. Why 解析：句意：他们为什么在辩论？询问原因，用 Why。 知识演练场 一、根据句意及首字母提示补全单词。 1.What's your o______ about eating apples with peel? 2.The p______ of the apple is dirty, so some people don't eat it. 3.Health is more important t______ nice taste. 4.We will have a d______ about fairy tales this afternoon. 5.Grey crayon is s______ than other crayons. 6.Don't draw too many l______ on the paper. 7.A d______ is a kind of big animal in stories. 8.We should take care of nature and find the t______. 9.Please w______ the apple carefully before you eat it. 10.Different people have different i______. 二、用所给单词的适当形式填空。 1.Apples with the peel are ________ (healthy) than apples with no peel. 2.This story is ________ (interesting) than that one. 3.It is ________ (good) to eat apples with peel. 4.Why not ________ (wash) the fruit first? 5.Health is ________ (important) than delicious food. 6.Grey crayon is ________ (short) than Pink crayon. 7.This game makes our picnic ________ (fun). 8.I think this saying ________ (be) right. 9.They ________ (talk) about colours now. 10.Why ________ (be) Pink crayon angry? 三、单项选择 ( )1.— ______ do you like better, apples or bananas?— Apples. A. What B. Which C. Why ( )2.Why not ______ an apple every day? It's good for us. A. eat B. eats C. eating ( )3.Health ______ more important than taste. A. am B. is C. are ( )4.— ______ are they talking about?— A new fairy tale. A. What B. Why C. Which ( )5.— ______ is Black crayon unhappy?— Because people only use it for lines. A. What B. Why C. How ( )6.I don't think so. We all have different ______. A. idea B. ideas C. an idea ( )7.— What's your opinion ______ the debate?— It's great. A. about B. with C. for ( )8.Apples ______ better than cakes. A. taste B. tastes C. tasting ( )9.______ a black rainbow next time? A. What B. How about C. Why not ( )10.We should learn to ______ nature. A. take care B. take care of C. look 四、完形填空。阅读短文，选择最佳答案。 We have a debate today. The topic is about apples. Different students have different 1______. Amy says apples with no peel taste 2______. She thinks the peel is dirty. Lingling has a different idea. She says apples with peel are 3______ than peeled apples. Daming says it is 4______ and faster to eat apples with peel. Tom doesn't know what to do. Our teacher gives us a 5______. "An apple a day keeps the doctor away." She tells us health is 6______ important 7______ taste. We just need to 8______ the apple carefully before eating. — 9______ do you think of this advice? asks the teacher. We all say it is good. We know we should have our own 10______. ( ) 1. A. idea B. ideas C. a idea ( ) 2. A. good B. better C. best ( ) 3. A. healthy B. healthier C. health ( ) 4. A. easy B. easier C. easiest ( ) 5. A. story B. saying C. fairy tale ( ) 6. A. more B. much C. many ( ) 7. A. then B. than C. and ( ) 8. A. wash B. washes C. washing ( ) 9. A. What B. Why C. Which ( ) 10. A. opinion B. opinions C. an opinion 五、阅读理解。 (A) 选择正确答案。 Duncan has many crayons. They write letters to him. White crayon is sad. Duncan always uses white paper, so no one can see White. Grey crayon is tired. It is shorter than other crayons, because it always colours big animals. Pink crayon is angry. Duncan never uses it. Black crayon is unhappy. Duncan only uses it to draw lines. Green crayon talks about his friends Yellow and Orange. They have a debate: Which colour is better for the sun? Duncan reads all letters. He decides to draw a nice picture for all crayons. ( ) 1. Why is White crayon sad? A. Because it is too short. B. Because no one can see it. C. Because Duncan never uses it. ( ) 2.Grey crayon is ______ than other crayons. A. shorter B. longer C. happier ( ) 3.______ is angry. A. Black crayon B. Pink crayon C. Green crayon ( ) 4.Yellow and Orange debate about ______. A. paper B. animals C. colour for the sun ( ) 5.What will Duncan do? A. Write letters back. B. Draw a picture. C. Have a debate. (B) 判断正 (T) 误 (F) Model United Nations (Model UN) is a great activity for students. In this activity, students learn about the UN. They speak for different countries and talk about world problems, such as clean water and protecting nature. Students can meet new friends and learn new things here. Many students like this activity. They can share their opinions freely. ( ) 1.Model UN is an activity for teachers. ( ) 2.Students speak for different countries in Model UN. ( ) 3.They talk about many world problems. ( ) 4.They never talk about nature. ( ) 5.Students can share their opinions in Model UN. 参考答案 一、根据句意及首字母提示补全单词。 1.opinion 2. peel 3. than 4. debate 5. shorter 6.lines 7. dinosaur 8. truth 9. wash 10. ideas 二、用所给单词的适当形式填空。 1.healthier（辅音 + y 结尾，变 y 为 i+er） 2.more interesting（多音节词，加 more） 3.better（good 不规则比较级） 4.wash（Why not + 动词原形） 5.more important（多音节词，加 more） 6.shorter（一般情况直接加 er） 7.fun（原级，make + 宾语 + 形容词） 8.is（主语为单数，be 动词用 is） 9.are talking（now 提示现在进行时） 10.is（主语为单数，be 动词用 is） 三、单项选择。 1.B 解析：二者选其一，用 Which。 2.A 解析：Why not 后接动词原形。 3.B 解析：主语 health 为不可数名词，be 动词用 is。 4.A 解析：询问谈论的内容，用 What。 5.B 解析：答语为原因，提问用 Why。 6.B 解析：different 后接可数名词复数。 7.A 解析：固定搭配 opinion about… 关于…… 的看法。 8.A 解析：主语 apples 是复数，谓语动词用原形。 9.B 解析：How about + 名词 / 动名词，表提建议。 10.B 解析：固定短语 take care of 爱护、照顾。 四、完形填空。 1.B 2. B 3. B 4. B 5. B 6.A 7. B 8. A 9. A 10. B 【解析】 1.different 后接名词复数，选 ideas。 2.暗含比较，用 good 的比较级 better。 3.than 提示用比较级 healthier。 4.and 后 faster 为比较级，此处也用 easier。 5.后文谚语，选 saying。 6.important 是多音节词，比较级加 more。 7.比较级固定搭配 than。 8.need to do sth. 后接动词原形 wash。 9.询问看法，用 What。 10.所有人拥有各自的观点，用复数 opinions。 六、阅读理解。 (A) 1. B 2. A 3. B 4. C 5. B (B) 1.F（原文：for students） 2.T 3.T 4.F（文中提到谈论保护自然） 5.T 6 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $