Unit 6 Keep It Green（知识清单）英语教科版六年级上册（新教材）

该小学英语Unit 6“Keep It Green”单元知识清单系统整合了语音语调、必记单词、常考短语、必会句型及核心语法五大知识模块，构建了从基础语言要素积累到实际问题解决的递进式学习支架。 清单通过“基础-应用-拓展”三级分类呈现知识体系，如必记单词分四会、三会明确掌握要求，核心语法模块将“情态动词can”与建议句型关联教学，培养学生的语言能力和思维品质。每个考点配备“提分练”及答案，如“序数词用法”设计填空与对话练习，帮助学生高效巩固，教师可直接用于课堂检测或分层辅导。

Unit 6 Keep It Green 单元知识清单 知 识 归 纳 语音语调 字母组合 o-e 在单词中发 /əʊ/ 音： nose, home, rose 字母组合 oa 在单词中发/əʊ/ 音： boat, coat, road 字母 ow 在单词末尾发/əʊ/ 音： bow, yellow, row 必记单词 四会 please请 waste垃圾浪费 helpful有帮助的；有益的 三会 snack零食小吃 noon中午 change改变 menu菜单 classmate同学 fourth第四 fifth第五 difference不同 常考短语 food waste 食物浪费 be picky about food 对食物挑剔 take too much food 拿太多食物 give too much food 给太多食物 rush out to play 冲出去玩 eat fewer snacks 少吃零食 have a good breakfast 吃好早餐 save food for later 把食物留到以后吃 come up with solutions 想出解决办法 make a poster 制作海报 put up posters 张贴海报 talk to the canteen staff 和食堂工作人员谈话 change the menu 更换菜单 pack food left over 打包剩菜 make a difference 有所作为，带来改变 必会句型 1. 询问发现的问题： — What problems do you see? 你看到了什么问题？ — Some students take too much food. 有些学生拿太多食物。 2. 表达看法与评价： — It’s not good to waste food. 浪费食物是不好的。 — I think it’s wrong to be picky about food. 我认为挑食是不对的。 3. 提出建议： — What can we do about the food waste problems? 关于食物浪费问题我们能做些什么？ — Let me see. First, I think we can try to have a good breakfast. 让我想想。首先，我认为我们可以试着吃好早餐。 — I think we can also eat fewer snacks. 我认为我们也可以少吃零食。 — Maybe we can change the menu. 也许我们可以更换菜单。 4. 表达同意与回应： — I agree. 我同意。 — That’s a great idea! 那是个好主意！ — Sounds great! 听起来很棒！ 5. 询问更多想法： — Do you have any other ideas? 你还有其他想法吗？ — What about you? 你呢？ 6. 表达原因与发现（Spotlight）： — We found that students can’t finish their food because... 我们发现学生不能吃完他们的食物，因为…… — The reason is that they rush out to play. 原因是他们冲出去玩。 — This happens because they eat too many snacks. 这种情况发生是因为他们吃了太多零食。 7. 请求澄清与追问： — What makes you say so? 你为什么这么说？ — I didn’t quite catch that. Can you go over that one more time? 我没太听清。你能再说一遍吗？ — Tell me more. 再多告诉我一些。 8. 呼吁行动： — Together, we can make a difference! 我们一起，就能有所作为！ 核心语法 1. 情态动词 can 表“能力”与“建议” 2. 建议句型：Let's... / We can... / Maybe we can... / I think we can... 3. because 引导原因状语从句 4. 序数词（first, second, third, fourth, fifth）的用法 5. 人称代词主格与宾格的区分 考 点 速 记 考点 01 情态动词 can 的用法 What can we do about the food waste problems? 关于食物浪费问题我们能做些什么？ We can try to have a good breakfast. 我们可以试着吃好早餐。 We can also make posters and put them up. 我们也可以制作海报并张贴。 can 是情态动词，表示“能、会”，在本单元中用于提出建议或表达可能性。 can 的基本用法： 句型结构 示例 肯定句：主语 + can + 动词原形 + 其他. We can change the menu. 我们可以更换菜单。 否定句：主语 + can + not + 动词原形 + 其他. (can not = can't) We can't finish our food. 我们不能吃完我们的食物。 一般疑问句：Can + 主语 + 动词原形 + 其他? Can you finish your lunch? 你能吃完你的午餐吗？ 肯定回答：Yes, 主语 + can. Yes, I can. 是的，我能。 否定回答：No, 主语 + can't. No, I can't. 不，我不能。 注意： can 后必须接动词原形，不能加 to，也不能加 -ing 或 -ed。 （√） We can try all kinds of foods. （×） We can to try all kinds of foods. can 没有人称和数的变化（不管是 I、you、he/she 还是 we，都用 can）。 （√）She can finish her food. （×）She cans finish her food. can 在本单元中的三种用法： 用法 示例 1. 提出建议（本单元核心用法） We can talk to the canteen staff. 我们可以和食堂工作人员谈谈。 2. 表达能力 I can finish my food now. 我现在能吃完我的食物了。 3. 表达可能性 We can make a difference! 我们可以有所作为！ 提分练 一、用 can 或 can't 填空。 1. We ________ finish our food if we take less. 2. She ________ eat too many snacks. It's not good for her health. 3. ________ we change the menu at our school? 4. You ________ rush out to play before finishing your lunch. 5. They ________ make posters to tell students about food waste. 6. I ________ be picky about food because it wastes food. 7. ________ your sister finish her lunch every day? 8. We ________ save food for later if we can't finish it. 二、按要求完成句子。 1. We can talk to the canteen staff.（改为否定句） __________________________________________________ 2. Students can take too much food.（改为一般疑问句） __________________________________________________ 3. Can you finish your food?（作肯定回答） __________________________________________________ 4. We can put up posters in the canteen.（对划线部分提问） __________________________________________________ 5. can, what, do, we, about, food, the, waste (?)（连词成句） __________________________________________________ 6. I can eat fewer snacks.（改为一般疑问句，并作否定回答） __________________________________________________ 7. They can save food for later.（改为否定句） __________________________________________________ 8. can, a, difference, make, we, together (.)（连词成句） __________________________________________________ 三、从方框中选择合适的词或短语补全对话，每项限用一次。 can can't What can we do That's a great idea I agree A: Food waste is a big problem at our school. 1. _______________ about it? B: Let me see. First, we 2. ________ talk to the canteen staff. A: 3. _______________. And we can also make posters. B: 4. _______________! Maybe we can ask students to take less food. A: Yes. We 5. ________ be picky about food. We should try all kinds of foods. 考点 02 because 引导原因状语从句 Why can’t you finish your food? 为什么你吃不完你的食物？ I can't finish my food because I eat too many snacks. 我吃不完我的食物，是因为我吃了太多零食。 because 是连词，意为“因为”，用来说明原因或理由。它引导的句子叫原因状语从句，用来回答 why 提出的问题。 基本结构： 结构 示例 原因在前，结果在后 Because I have a good breakfast, I'm not hungry at noon. 因为我吃好了早餐，所以我中午不饿。 结果在前，原因在后（更常用） I'm not hungry at noon because I have a good breakfast. 我中午不饿，因为我吃好了早餐。 注意： because 和 so 不能同时出现在一个句子中。两者只能用其一。 （√）Because I eat too many snacks, I can't finish my lunch. （√）I eat too many snacks, so I can't finish my lunch. （×） Because I eat too many snacks, so I can't finish my lunch. 回答 why 开头的问句时，可以直接用 Because + 原因。 — Why can't you finish your food? — Because I rush out to play. 在本单元中，我们常用 because 来解释食物浪费的原因： We found that students can't finish their food because they are picky about food. This happens because the canteen staff give too much food. 三、本单元常用原因表达： 原因 英文表达 挑食 ... because they are picky about food. 拿太多食物 ... because they take too much food. 食堂给太多 ... because the canteen staff give too much food. 冲出去玩 ... because they rush out to play. 吃了太多零食 ... because they eat too many snacks. 早餐没吃好 ... because they don't have a good breakfast. 提分练 一、用 because 或 so 填空。 1. I feel hungry at noon ________ I don't have a good breakfast. 2. Some students rush out to play, ________ they can't finish their food. 3. ________ the canteen staff give too much food, students waste a lot. 4. She doesn't like vegetables, ________ she leaves them on the plate. 5. We take less food ________ we don't want to waste. 6. ________ some students are picky about food, they don't eat it. 二、用所给词或短语将下列原因和结果配对，用 because 或 so 连接成完整的句子，注意标点符号。 原因 结果 take too much food can't finish their lunch eat too many snacks not hungry at noon rush out to play eat very little don't like some food don't eat it canteen staff give too much food leftovers are thrown away A: 1. ________________________________________________? B: Some students are picky about food, so they don't eat vegetables. A: 2. ________________________________________________? B: We rush out to play, so we eat very little. A: 3. ________________________________________________? B: I feel hungry at noon because I don't have breakfast. 三、选择正确的答案，将其序号填入题前括号内。 ( ) 1. I can't finish my lunch _______ I take too much food. A. so B. because C. but ( ) 2. _______ some students are picky, they don't eat the vegetables. A. Because B. So C. But ( ) 3. He rushes out to play, _______ he eats very little. A. because B. but C. so ( ) 4. _______ you don't eat breakfast, you feel hungry at noon. A. So B. Because C. Then ( ) 5. —Why do you bring snacks to school? —_______ I feel hungry between classes. A. So B. Because C. But ( ) 6. We should eat fewer snacks, _______ we can finish our lunch. A. because B. so C. but 考点 03 提出建议的句型（Let's / We can / Maybe we can / I think we can） Let me see. First, I think we can try to have a good breakfast. 让我看看。首先，我觉得我们可以尝试吃一顿好的早餐。 Maybe we can change the menu. 也许我们可以调整一下菜单。 We can also talk to the canteen staff. 我们也可以和食堂工作人员谈谈。 在本单元中，我们学习用多种句型来提出建议，表达“我们应该做什么”来解决食物浪费问题。 本单元常用的建议句型： 句型 含义 语气强弱 示例 We can + 动词原形 我们可以…… 一般 We can take less food. Let's + 动词原形 让我们……吧 较强（含号召） Let's make a poster. Maybe we can + 动词原形 也许我们可以…… 委婉 Maybe we can change the menu. I think we can + 动词原形 我认为我们可以…… 较有主见 I think we can talk to the staff. What about + 动词-ing? ……怎么样？ 委婉 What about saving food for later? Why not + 动词原形? 为什么不……呢？ 建议性强 Why not try all kinds of foods? 本单元建议句型在对话中的运用： 说话顺序 常用表达 开场提问 What can we do about the food waste problems? 第一个建议 Let me see. First, I think we can try to ... 补充建议 I agree. I think we can also ... 提出新想法 That's a great idea. Maybe we can ... 询问对方 What about you? Do you have any other ideas? 回应对方 Sounds great! / That's a great idea! / I agree. 建议句型的回答方式： 表示同意 表示不同意（委婉） I agree. 我同意。 I'm not sure. 我不太确定。 That's a great idea! 好主意！ That sounds difficult. 那听起来有点难。 Sounds great! 听起来很棒！ Maybe we can think of other ways. 也许我们可以想想别的办法。 Good idea! 好主意！ — 提分练 一、用所给词的适当形式填空。 1. Let's ________ (make) a poster about food waste. 2. What about ________ (talk) to the canteen staff? 3. I think we can ________ (try) all kinds of foods. 4. Why not ________ (save) food for later? 5. Maybe we can ________ (change) the menu. 6. Let's ________ (put) up posters in the canteen. 7. What about ________ (ask) students to take less food? 8. We can ________ (have) a good breakfast every day. 二、根据汉语提示完成句子，每空一词。 1. 让我们制作一些海报并张贴吧。 ________ ________ some posters and put them up. 2. 也许我们可以和食堂工作人员谈谈。 ________ we can ________ to the canteen staff. 3. 我认为我们可以试着吃所有种类的食物。 I ________ we can ________ all kinds of foods. 4. 为什么不把剩饭打包留到以后吃呢？ ________ not ________ food left over for later? 5. 少吃零食怎么样？ ________ about ________ fewer snacks? 三、将下列句子按对话顺序排列，将其序号填在横线上。 A. I agree. I think we can also make posters. B. Sounds great! Do you have any other ideas? C. What can we do about food waste at our school? D. Let me see. First, I think we can talk to the canteen staff. E. I do. Maybe we can change the menu. 正确顺序：_____ → _____ → _____ → _____ → _____ 考点 04 序数词 first, second, third, fourth, fifth 的用法 first = 1st second = 2nd third = 3rd fourth = 4th fifth = 5th —I don’t agree because cats are quieter and easier to take care of. 序数词表示事物的顺序，意为“第几”。本单元要求掌握 first 到 fifth（第1到第5）的拼写和用法。 序数词的变化规律： 基数词（数量） 序数词（顺序） 缩写 变化规律 one first 1st 特殊变化 two second 2nd 特殊变化 three third 3rd 特殊变化 four fourth 4th 基数词后加 -th（去u？不，four → fourth） five fifth 5th 变 ve 为 f 再加 -th 注意： 1. 序数词前一般要加 the（表示“第……”）。 This is the first time I eat here. 这是我第一次在这里吃饭。 The second idea is to change the menu. 第二个想法是更换菜单。 2. 在用序数词列举时，常与 First... Second... Third... 搭配使用。 First, we can talk to the staff. Second, we can make posters. Third, we can change the menu. 3. 缩写形式：数字 + 最后两个字母（st / nd / rd / th） 1st, 2nd, 3rd, 4th, 5th 在本单元中的运用： 在提出建议时，我们常用序数词来分条列举： First, I think we can try to have a good breakfast. Second, we can eat fewer snacks. Third, maybe we can change the menu. 提分练 一、写出下列基数词对应的序数词（英文）及缩写形式。 基数词 序数词（英文） 缩写形式 one _______________ ________ two _______________ ________ three _______________ ________ four _______________ ________ five _______________ ________ 二、用所给词的适当形式填空。 1. Today is my ________ (one) day at this school. 2. The ________ (two) reason for food waste is that students are picky. 3. This is the ________ (three) time we talk about food waste. 4. My birthday is on the ________ (four) of July. 5. The ________ (five) idea is to save food for later. 6. Let me see. ________ (one), we can have a good breakfast. 三、选择正确的答案，将其序号填入题前括号内。 ( ) 1. The _______ idea is to talk to the canteen staff. A. one B. first C. firstly ( ) 2. We have five ideas. The _______ one is to make posters. A. five B. fiveth C. fifth ( ) 3. _______ , we should eat fewer snacks. _______, we should try all foods. A. First; Second B. One; Two C. First; Two ( ) 4. This is my _______ time to have lunch here. A. two B. second C. secondly ( ) 5. The _______ of June is Children's Day. A. first B. one C. firstly ( ) 6. —What's the _______ day of a week? —It's Sunday. A. one B. first C. firstly 四、用序数词补全下列句子，使对话完整。 A: What's the ________ (第1) step to reduce food waste? B: We can have a good breakfast. A: What's the ________ (第2) reason? B: Some students eat too many snacks. A: I have three ideas. The ________ (第3) is to change the menu. B: That's a great idea! A: There are five students in our group. I'm the ________ (第4) one to speak. B: Go ahead! A: The ________ (第5) suggestion is to save food for later. B: Sounds great! 参考答案 考点01 一、1. can 2. can't 3. Can 4. can't 5. can 6. can't 7. Can 8. can 二、1. We can't talk to the canteen staff. 2. Can students take too much food? 3. Yes, I can. 4. What can we do? 5. What can we do about the food waste? 6. Can I eat fewer snacks? No, I can't. 7. They can't save food for later. 8. Together we can make a difference. 三、1. What can we do 2. can 3. I agree 4. That's a great idea 5. can't 考点 02 一、1. because 2. so 3. Because 4. so 5. because 6. Because 二、（答案不唯一，以下为参考） 1. Some students eat too many snacks, so they are not hungry at noon. 2. Some students rush out to play, so they eat very little. 3. Some students don't like some food, so they don't eat it. 4. The canteen staff give too much food, so leftovers are thrown away. 5. Because the canteen staff give too much food, students can't finish their food. 三、1. B 2. A 3. C 4. B 5. B 6. B 考点 03 一、1. make 2. talking 3. try 4. save 5. change 6. put 7. asking 8. have 二、 1. Let's make 2. Maybe talk 3. think try 4. Why save 5. What eating 三、C → D → A → E → B 考点 04 一、 基数词 序数词（英文） 缩写形式 one first 1st two second 2nd three third 3rd four fourth 4th five fifth 5th 二、1. first 2. second 3. third 4. fourth 5. fifth 6. First 三、1. B 2. C 3. A 4. B 5. A 6. B 四、1. first 2. second 3. third 4. fourth 5. fifth 第 1 页 共 7 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $