Unit 2 A green life 课后作业（综合训练）-2026-2027学年外研版（三起）英语五年级上册

**基本信息** 以“3Rs”环保主题为核心，通过词汇夯实、语法应用、综合读写等模块构建从基础到综合的语言能力训练体系，融合文化意识与思维品质培养。 **综合设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |词汇基础|5题词汇分类+10题首字母填空|聚焦环保主题词辨析与应用|从“3Rs”核心词汇（reduce/reuse/recycle）拓展至相关行为词（throw/plant等）| |语法应用|10题词形变化+15题单选+5题句型转换|强化祈使句（Don't/Let's/We should）用法|从词形变化（动词原形/否定式）到句式转换，构建语法应用链| |主题综合|6题3Rs分类+4题连词成句+10题阅读+1篇写作|围绕“绿色生活”进行分类判断、语篇理解与表达|从概念分类（Reduce/Reuse/Recycle）到语篇输入（阅读）再到输出（写作），实现知识迁移|

外研版英语五年级上册 Unit 2 A green life 课后作业 温馨提示：本单元主题为“绿色生活（A green life）”，围绕“3Rs”（Reduce减少、Reuse再利用、Recycle回收）展开，核心语法是祈使句的用法。请认真完成每一题，做一个环保小卫士！ 一、选出每组单词中不同类的一项。 ( ) 1. A. reduce B. reuse C. recycle D. throw ( ) 2. A. cans B. bottles C. plastic bags D. bird ( ) 3. A. old T-shirts B. food waste C. old toys D. new books ( ) 4. A. paper boxes B. cans C. warm D. bottles ( ) 5. A. reuse B. make C. throw D. secret 二、根据首字母提示补全句子。 1.We should r______ plastic bags to save resources. We can use cloth bags instead. 2. Don't t______ away old toys. We can reuse them. 3. We can r______ cans and bottles to make new things. 4. Let's be k______ to the birds and give them warm homes. 5. Earth Day comes on 22 A______ every year. 6. Please t______ off the lights when you leave the classroom. 7. We can p______ trees on Earth Day to make our world greener. 8. Don't u______ too much plastic. It's bad for the land and sea. 9. We should b______ our own water bottles to school. 10. R______ old things can help us protect the earth. 三、用所给词的适当形式填空。 1. Please ______ (give) old T-shirts to us. We can reuse them. 2. Let's ______ (be) friendly to nature. 3. Don't ______ (throw) away food waste. It can become fertilizer. 4. We can ______ (make) bird houses with old boxes. 5. Recycling ______ (turn) old things into new things. 6. We ______ (should) throw milk cartons away. We can recycle them. 7. It is easy ______ (recycle) a plastic bottle in three steps. 8. Let's ______ (start) recycling for a green world! 9. They ______ (reuse) paper boxes to keep books organized. 10. We can ______ (use) old clothes to make bags. 四、单项选择题。 ( ) 1. —What can we do to reduce plastic? —We can ______ our own water bottles. A. bring B. bringed C. bringing ( ) 2. Don't ______ away old bottles. We can recycle them. A. throw B. give C. make ( ) 3. We should ______ kind to the birds. A. is B. be C. are ( ) 4. The bird houses can ______ birds warm. A. keep B. let C. do ( ) 5. Which one is NOT in the three Rs? A. Reduce B. Reuse C. Recycle D. Run ( ) 6. How many parts do milk cartons have? A. Two B. Three C. Four ( ) 7. Plastic is bad for ______. A. land and sea B. books and pens C. desks and chairs ( ) 8. Which is a good way to reduce plastic waste? A. Use single-use plastic bottles B. Bring your own water bottle C. Throw plastic away ( ) 9. —How do we recycle milk cartons? —______, we wash them. A. First B. Then C. Finally ( ) 10. —What does "reduce" mean in the three Rs? A. To use things again B. To make less waste C. To turn waste into new things ( ) 11. Earth Day is on ______ every year. A. March 22nd B. April 22nd C. May 22nd ( ) 12. We can ______ old paper to make art works for homework. A. reduce B. reuse C. recycle ( ) 13. Which is a good way to save electricity? A.Leave the lights on all day B. Turn off the lights when not in use C. Take long showers ( ) 14. We should ______ food waste because it can help plants grow. A. reduce B. recycle C. reuse ( ) 15. Don't ______ every day. It's bad for the earth. A. use plastic bags B. reuse old boxes C. plant trees 五、根据3Rs原则（Reduce / Reuse / Recycle），判断下列句子属于哪一类，将序号填在括号里。 A. Reduce（减少） B. Reuse（重复使用） C. Recycle（回收利用） 1. Use both sides of the paper. （ ） 2. Turn plastic bottles into flower pots. （ ） 3. Ride a bike to school instead of taking a car. （ ） 4. Don't buy too many plastic bags. Use cloth bags instead. （ ） 5. Wash and use the glass bottle again. （ ） 6. Take old newspapers to the recycling center. （ ） 六、按要求改写句子。 1. Throw away the old box.（改为否定句） ________________________________________________ 2. Use cloth bags for shopping.（改为祈使句，加please） ________________________________________________ 3. We can reuse old T-shirts.（改为一般疑问句） ________________________________________________ 4. We should turn off the lights.（对划线部分提问） ________________________________________________ 5. They are playing football on the road.（用“Don't”改为祈使句） ________________________________________________ 七、连词成句。 1. recycle / how / milk cartons / do / we（?） ________________________________________________ 2. plastic / use / don't / we / should / every day（.） ________________________________________________ 3. new / old / into / recycling / things / turns / things（.） ________________________________________________ 4. box / put / the / into / flat / carton / the / make / and（.） ________________________________________________ 八、阅读理解，判断正（T）误（F）。 （A）阅读短文，判断句子正误。 Water is very important for us. We must drink water every day. We can't live without water. Water is everywhere around us. At home, we use water to wash clothes and dishes, cook rice and take a bath. At work, people use water to put out fires, to grow vegetables and make electricity. But do you know there isn't enough water on the earth? We should save water and reuse water. Just do it, for the natural world. ( ) 1. People can't live without water. ( ) 2. We don't need to drink water every day. ( ) 3. We can find water only in the sea. ( ) 4. Water has different kinds of uses. ( ) 5. There is enough water on the earth. （B）阅读短文，选择正确答案。 Recycling is popular around the world. There are a lot of things we can reuse in our life. We can reuse bottles and cans and make them into vases or pen holders. We can reuse paper cups and make them into toy phones. We should use both sides of paper and we can also reuse the used paper. Should we throw the old blankets and towels away? Of course not! They are still useful. We can reuse them. We can cut the towels and make them into toys. ( ) 6. What can we reuse bottles and cans to make? A. Vases or pen holders. B. Toy phones. C. New blankets. ( ) 7. What can we make from paper cups? A. Vases. B. Toy phones. C. Pen holders. ( ) 8. We should use ______ sides of paper. A. one B. two C. three ( ) 9. What can we do with old towels? A. Throw them away. B. Cut them and make them into toys. C. Give them to others. ( ) 10. What is the main idea of this passage? A. We should buy new things every day. B. We can reuse many things in our life. C. Recycling is difficult. 九、书面表达。 题目：How to live a green life 要求：请根据本单元所学内容，写一段话介绍如何践行绿色生活。至少写出5条建议或做法，可以运用本单元学过的词汇和句型。不少于5句话。 参考词汇：reduce, reuse, recycle, plastic, turn off, throw away, plant trees, save water, Earth Day 参考句型： - Don't... - We should... - We can... - Let's... How to live a green life ________________________________________________ ________________________________________________ ________________________________________________ 参考答案 一、选出不同类的一项 1. D（throw是动词“扔掉”，reduce/reuse/recycle是环保三R原则） 2. D（bird是动物，其他是可回收物品） 3. D（new books是“新书”，其他是旧物/废物） 4. C（warm是形容词，其他是可回收物品名词） 5. D（secret是名词“秘密”，其他是动词） 二、根据首字母补全句子 1. reduce 2. throw 3. recycle 4. kind 5. April 6. turn 7. plant 8. use 9. bring 10. Reusing 三、用所给词的适当形式填空 1. give 2. be 3. throw 4. make 5. turns 6. shouldn't 7. to recycle 8. start 9. reuse 10. use 四、单项选择题 1. A 2. A 3. B 4. A 5. D 6. B 7. A 8. B 9. A 10. B 11. B 12. B 13. B 14. B 15. A 五、3Rs原则分类 1. A（Reduce） 2. B（Reuse） 3. A（Reduce） 4. A（Reduce） 5. B（Reuse） 6. C（Recycle） 六、按要求改写句子 1. Don't throw away the old box. 2. Please use cloth bags for shopping. 3. Can we reuse old T-shirts? 4. What should we do? 5. Don't play football on the road. 七、连词成句 1. How do we recycle milk cartons? 2. We shouldn't use plastic every day. 3. Recycling turns old things into new things. 4. Make the carton flat and put it into the box. 八、阅读理解 （A）1. T 2. F 3. F 4. T 5. F （B）6. A 7. B 8. B 9. B 10. B 九、书面表达（参考范文） How to live a green life We should live a green life to protect our earth. Don't throw away old things. We can reuse them. We should reduce plastic use. We can bring our own water bottles to school. Don't use too many plastic bags. We can turn off the lights when we leave the room. We should recycle cans and bottles. Let's plant more trees on Earth Day. We can also save water in our daily life. If we all do these, our world will be greener and better! 学科网（北京）股份有限公司 $