Unit 2 A Green Life重点知识点 · 易错（专项训练）-2026-2027学年外研版（三起）英语五年级上册

**基本信息** 聚焦“绿色生活”主题，以10大考点系统整合词汇、句型及语法知识，通过基础与提升题分层训练，强化语言应用与思维辨析能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |10大考点|每考点2基础+2提升题|含动词短语认读、情态动词can/should用法、否定祈使句结构等|从词汇（环保词汇）到短语、句型，再到语法（情态动词、祈使句等），层层递进，最终实现单元知识综合运用|

最新外研版（三起）五年级上册Unit 2 A Green Life 重点知识点 · 易错专项练习 【Unit 2 重点单词与短语一览】 ◇ ★ 重点环保/生活词汇： green 绿色的；环保的　life 生活　earth 地球　world 世界　nature 大自然　environment 环境（认读） save 节约；拯救　waste 浪费　use 使用　reuse 再利用　recycle 回收利用　reduce 减少（认读） paper 纸；报纸　plastic 塑料　bag 袋子；包　bottle 瓶子　box 盒子　rubbish 垃圾　bin 垃圾桶　put … into … 把……放进…… turn off 关掉（turn off the light / tap）　switch off 关掉（同 turn off） water 水（n.）；浇水（v.）　electricity 电（n. 认读）　light 灯　tap 水龙头 plant 种植；植物　tree 树　flower 花　garden 花园　pick 摘（Don't pick flowers.） bus 公共汽车　subway 地铁　walk 步行　ride 骑（车）　car 小汽车　by bus / by subway / on foot / by bike should 应该　shouldn't = should not 不应该　can 能；可以　must 必须（认读）　always 总是　often 经常　sometimes 有时　every day 每天 clean 干净的；打扫　dirty 脏的　important 重要的（认读）　our 我们的　we 我们　they 他们 ◇ ★ 重点短语/课堂用语： a green life 绿色生活　save water / save electricity / save paper 节约水/电/纸 turn off the light / turn off the tap 关灯/关水龙头　put rubbish into the bin 把垃圾扔进垃圾桶 reuse the bag / recycle bottles 重复使用袋子/回收瓶子　plant trees 种树　don't pick flowers 不要摘花 go to school by bus / by subway / on foot / by bike 乘公交/乘地铁/步行/骑车上学 We should … 我们应该……　We shouldn't waste … 我们不应该浪费…… What can we do? — We can save water. / We can plant trees. ◇ ★ 核心句型： — What can we do for a green life? — We can save water. / We can turn off the light. / We can plant trees. — Should we reuse plastic bags? — Yes, we should. / No, we shouldn't. — How do you go to school? — I go to school by bus. / I walk to school. / I go to school on foot. — Don't litter! / Don't pick the flowers! — Sorry. ◇ ★ 语法要点： ① 环保行为动词短语：save water/electricity/paper; turn off the light/tap; put rubbish into the bin; reuse bags/bottles; recycle; plant trees; don't pick flowers; go by bus/subway/on foot/by bike ② 情态动词 can 表建议/能力：What can we do? — We can + 动词原形(save/turn off/plant...) ③ 情态动词 should / shouldn't：We should + 动词原形 … / We shouldn't waste …（shouldn't = should not） ④ 否定祈使句 Don't + 动词原形：Don't litter! / Don't pick flowers! / Don't waste water! ⑤ 交通方式表达：by bus / by subway / by bike / on foot（注意 on foot 固定搭配无 by） ⑥ 名词辨析：paper(不可数泛指) / plastic bag / bottle / bin / rubbish / light / tap ⑦ 代词 our(我们的) + 名词：our earth / our classroom / our school ⑧ 大小写：I 永远大写；句首字母大写；环保短语不大写；Don't 中 D 大写 【单元重点易错专项练习】 【考点1】考点一：环保行为动词短语认读——save water/electricity/paper 节约水/电/纸；turn off the light/tap 关灯/关龙头；put rubbish into the bin 把垃圾入桶；reuse bags/bottles 重复用袋/瓶；plant trees 种树；don't pick flowers 勿摘花 ▷ 基础题： 1. ( ) To save water, we should ____ the tap after washing hands. A. turn on B. turn off C. open D. use 2. Fill in: Please put the ____ (垃圾) into the ____ (垃圾桶). ▷ 提升题： 1. ( ) Which is a good green-life habit? A. throw rubbish everywhere B. plant trees C. leave the light on D. use many plastic bags 2. 改错：Don't picks flowers. 错误：__________ 改正：__________ 【考点2】考点二：情态动词 can 表建议/能力——What can we do for a green life? — We can + 动词原形(save/turn off/plant trees/recycle...) ▷ 基础题： 1. ( ) — What can we do? — We ____ plant more trees. A. can B. are C. do D. should 2. Fill in: We can ____ (save) paper. Don't waste it. ▷ 提升题： 1. ( ) — Can we reuse plastic bottles? — ____, we ____. A. Yes; can B. No; can C. Yes; do D. Can; can 2. 改错：We can recycles bottles. 错误：__________ 改正：__________ 【考点3】考点三：情态动词 should（应该）/ shouldn't（不应该）——We should + 动词原形(save/turn off/plant...); We shouldn't waste water/paper/energy.（shouldn't = should not） ▷ 基础题： 1. ( ) We ____ save electricity. Turn off the lights. A. should B. shouldn't C. can D. mustn't 2. Fill in: You ____ (should / shouldn't) waste paper. It's bad for the earth. ▷ 提升题： 1. ( ) — Should we reuse shopping bags? — ____, we ____. A. Yes; should B. No; should C. Yes; do D. No; don't 2. 改错：We should turning off the light when we leave. 错误：__________ 改正：__________ 【考点4】考点四：否定祈使句 Don't + 动词原形——Don't litter!(别乱扔垃圾) / Don't pick flowers!(勿摘花) / Don't waste water!(别浪费水) ▷ 基础题： 1. ( ) ____ pick the flowers in the park. A. Don't B. Not C. No D. Doesn't 2. Fill in: ____ (Not / Don't) ____ (litter) on the ground. ▷ 提升题： 1. ( ) Which is a correct sign(标识) sentence? A. You don't litter. B. Don't litter. C. Not litter. D. Doesn't litter. 2. 改错：Don't to waste water. 错误：__________ 改正：__________ 【考点5】考点五：交通方式表达——by bus 乘公交 / by subway 乘地铁 / by bike 骑车 / on foot 步行（注意 on foot 固定搭配无 by；by 后不加 the/my） ▷ 基础题： 1. ( ) I go to school ____ bus. A. on B. by C. in D. with 2. Fill in: Olivia walks to school. = Olivia goes to school ____ ____. ▷ 提升题： 1. ( ) Which is WRONG? A. by foot B. on foot C. by bike D. by subway 2. 改错：I go to school by the bus. 错误：__________ 改正：__________ 【考点6】考点六：名词辨析——paper(不可数泛指纸张) / plastic bag 塑料袋 / bottle 瓶子 / bin 垃圾桶 / rubbish 垃圾 / light 灯 / tap 水龙头 ▷ 基础题： 1. ( ) We should put the ____ into the recycling bin. A. rubbishes B. bottles C. lights D. taps 2. Fill in: Save ____ (纸). Use both sides. ▷ 提升题： 1. ( ) Which word is uncountable(不可数) here? A. bag B. bottle C. paper D. bin 2. 改错：Please turn off the lights when you leave the room — save the electricities. 错误：__________ 改正：__________ 【考点7】考点七：形容词性物主代词 our（我们的）+ 名词——our earth 我们的地球 / our classroom 我们的教室 / our school 我们的学校 ▷ 基础题： 1. ( ) We love ____ earth. Let's protect it. A. we B. our C. us D. ours 2. Fill in: This is ____ (we) green school. We keep it clean. ▷ 提升题： 1. ( ) — Is this ____ playground? — Yes, it's ____ playground. A. you; our B. your; our C. yours; ours D. our; you 2. 改错：This is we school. 错误：__________ 改正：__________ 【考点8】考点八：频率副词与环保行为搭配——always/often/sometimes + 动词：We always turn off the light. / We often go to school on foot. ▷ 基础题： 1. ( ) Chen Wei ____ rides a bike to school. He likes it. A. often B. never C. seldom D. is often 2. Fill in: We ____ (always) put rubbish in the bin. ▷ 提升题： 1. ( ) Which word order is correct? A. We save often water. B. We often save water. C. Often we saves water. D. We save water often.(也可放句末 四年级起感知放主语后动词前 选B最佳) 2. 改错：Always we plant trees in spring. 错误：__________ 改正：__________ 【考点9】考点九：书写规范——I 永远大写；句首字母大写；Don't 中 D 大写；环保短语不大写(green life ✓ Green Life ✗句中不大写) ▷ 基础题： 1. ( ) Which is written correctly? A. i save water B. I Save Water C. I save water D. I SAVE WATER 2. Fill in: ____ (I) think we ____ (should) save trees. ▷ 提升题： 1. ( ) Choose the correct sentence: A. dont pick flowers! B. Don't pick flowers! C. DON'T PICK FLOWERS! D. Do not pick flowers!(也正确 但教材用 Don't) 选B为教材格式 2. 改错：i Should reuse bags. 错误：__________ 改正：__________ 【考点10】考点十：单元知识综合运用——What can we do for a green life? + We can... / Should we...? + Yes,we should / Don't litter/pick flowers! / How do you go to school? + by bus(on foot) / We should save... ▷ 基础题： 1. ( ) — What ____ we do for the earth? — We ____ plant more trees. A. can; can B. should; should C. can; should D. A and C 均可(教材用 can 提问) 选A 2. Fill in: — How does Bella go to school? — She goes to school ____ ____ (步行). ▷ 提升题： 1. ( ) Read and put in order: ① Don't litter. ② What can we do? ③ Put rubbish in the bin. ④ OK! A. ②①③④ B. ①②③④ C. ②③①④ D. ②③④① 选D ②问→③答怎么做→①提醒→④回应 2. 情景选择：看到同学想把空塑料瓶扔进普通垃圾桶而不是回收桶，你提醒他环保做法，应说： A. Don't litter! B. We can recycle bottles. C. Throw it away. D. Pick the flowers! 【参考答案与详细解析】 ■ 考点1：考点一：环保行为动词短语认读——save water/electricity/paper 节约水/电/纸；turn off the light/tap 关灯/关龙头；put rubbish into the bin 把垃圾入桶；reuse bags/bottles 重复用袋/瓶；plant trees 种树；don't pick flowers 勿摘花 基础题： 1. 答案：B 解析：turn off the tap 关水龙头节水 2. 答案：rubbish; bin 解析：put rubbish into the bin 提升题： 1. 答案：B 解析：plant trees 种树环保 2. 答案：picks → pick 解析：Don't 后接动词原形 Don't pick flowers. ■ 考点2：考点二：情态动词 can 表建议/能力——What can we do for a green life? — We can + 动词原形(save/turn off/plant trees/recycle...) 基础题： 1. 答案：A 解析：We can plant more trees. 2. 答案：save 解析：can 后动词原形 save 提升题： 1. 答案：A 解析：Can we...? Yes, we can. 2. 答案：recycles → recycle 解析：can 后动词原形 recycle ■ 考点3：考点三：情态动词 should（应该）/ shouldn't（不应该）——We should + 动词原形(save/turn off/plant...); We shouldn't waste water/paper/energy.（shouldn't = should not） 基础题： 1. 答案：A 解析：We should save electricity. 应该节约电 2. 答案：shouldn't 解析：We shouldn't waste paper. 不应浪费纸 提升题： 1. 答案：A 解析：Should we...? Yes, we should. 2. 答案：turning off → turn off 解析：should 后接动词原形 turn off ■ 考点4：考点四：否定祈使句 Don't + 动词原形——Don't litter!(别乱扔垃圾) / Don't pick flowers!(勿摘花) / Don't waste water!(别浪费水) 基础题： 1. 答案：A 解析：Don't pick flowers. 否定祈使句 2. 答案：Don't; litter 解析：Don't litter! 别乱扔垃圾 提升题： 1. 答案：B 解析：告示用 Don't litter! 2. 答案：to waste → waste 解析：Don't 后直接接动词原形 waste ■ 考点5：考点五：交通方式表达——by bus 乘公交 / by subway 乘地铁 / by bike 骑车 / on foot 步行（注意 on foot 固定搭配无 by；by 后不加 the/my） 基础题： 1. 答案：B 解析：by bus 乘公交车 2. 答案：on foot 解析：walk to = go ... on foot 提升题： 1. 答案：A 解析：步行是 on foot 不是 by foot 2. 答案：by the bus → by bus 解析：by 交通工具不加冠词 the ■ 考点6：考点六：名词辨析——paper(不可数泛指纸张) / plastic bag 塑料袋 / bottle 瓶子 / bin 垃圾桶 / rubbish 垃圾 / light 灯 / tap 水龙头 基础题： 1. 答案：B 解析：recycle bottles 回收瓶子 2. 答案：paper 解析：save paper 节约纸 paper 不可数 提升题： 1. 答案：C 解析：paper 泛指纸张不可数 不能说 a paper ✗(当报纸/试卷时可数 本单元取不可数用法) 2. 答案：electricities → electricity 解析：electricity 不可数无复数 ■ 考点7：考点七：形容词性物主代词 our（我们的）+ 名词——our earth 我们的地球 / our classroom 我们的教室 / our school 我们的学校 基础题： 1. 答案：B 解析：our earth 我们的地球 2. 答案：our 解析：This is our green school. 提升题： 1. 答案：B 解析：Is this your playground? Yes, it's our playground. 2. 答案：we → our 解析：our 是形容词性物主代词修饰 school ■ 考点8：考点八：频率副词与环保行为搭配——always/often/sometimes + 动词：We always turn off the light. / We often go to school on foot. 基础题： 1. 答案：A 解析：often rides a bike 经常骑车上学 2. 答案：always 解析：We always put rubbish in the bin. 提升题： 1. 答案：B 解析：频率副词放主语后实义动词前 We often save water. 2. 答案：Always we → We always 或 Always, we plant trees... 解析：规范频率副词放主语后 ■ 考点9：考点九：书写规范——I 永远大写；句首字母大写；Don't 中 D 大写；环保短语不大写(green life ✓ Green Life ✗句中不大写) 基础题： 1. 答案：C 解析：I 大写 save water 不大写 2. 答案：I; should 解析：I 永远大写 should 不大写 提升题： 1. 答案：B 解析：否定祈使句 Don't 大写 D 2. 答案：i Should → I should 解析：I 大写；should 不大写 ■ 考点10：考点十：单元知识综合运用——What can we do for a green life? + We can... / Should we...? + Yes,we should / Don't litter/pick flowers! / How do you go to school? + by bus(on foot) / We should save... 基础题： 1. 答案：A 解析：What can we do? We can plant trees. 2. 答案：on foot 解析：go to school on foot 提升题： 1. 答案：D 解析：②问→③答→①提醒→④回应OK 2. 答案：B 解析：提醒环保做法 We can recycle bottles. 或 You should put it in the recycling bin. 选项最贴近B 学科网（北京）股份有限公司 $