Unit7 Environmental Protection Section A（2a‑2d）分层作业-2026～2027学年新人教版英语八年级下册

Unit7 Environmental Protection Section A（2a‑2d）分层作业 建议用时：25分钟 一、单词汉译英 1. 减少 ________ 2. 重复使用 ________ 3. 塑料的 ________ 4. 步骤；措施 ________ 5. 电；电能 ________ 6. 瓶子 ________ 7. 布；布料 ________ 8. 再利用 ________ 二、短语英译汉 1. cut down waste ____________ 2. reuse cloth bags ____________ 3. save electricity and water ____________ 4. take simple steps ____________ 5. have been to the city park ____________ 三、词形变换 1. reduce (v.)过去分词 → ________ 2. reuse (v.)现在分词 → ________ 3. electricity (n.)形容词 → ________ 4. bottle (n.)复数 → ________ 5. cloth (n.)形容词 → ________ 一、语法单句填空（may/might/must；have been to / have gone to） 1. The light is on. He ________ be in the office.（肯定推测） 2. She isn’t here. She ________(go) to the recycling station.（have gone to） 3. I ________(be) to the low‑carbon exhibition three times.（have been to） 4. It ________ rain later, you’d better take your raincoat.（可能推测） 5. You ________ cut down the use of plastic to protect environment.（must） 二、句型改写 1. He must be at home.（改为否定推测） He ________ be at home. 2. Tom has gone to the green museum.（对gone to the green museum提问） ________ ________ Tom ________? 3. I have been to this town twice.（改为一般疑问句） ________ you ________ to this town twice? 4. It might be a good way to reuse old bottles.（改为否定句） It ________ ________ be a good way to reuse old bottles. 5. been, she, has, to, park, the, low‑carbon（连词成句） _______________________________________________________________________________ 三、选词填空 【reduce, reuse, step, electricity, bottle】 1. We should ________ the use of single‑use plastic products. 2. We can ________ cloth bags instead of using plastic ones. 3. Saving ________ is one easy way for environmental protection. 4. It is a useful ________ to sort our daily rubbish. 5. Don’t throw glass ________ everywhere after using them. 四、情景补全对话（5空6选，1项多余） A. Where has Lucy gone B. Have you ever been to the low‑carbon show C. What steps can we take in our life D. Must we stop using all plastic things E. What can we reuse to cut down waste F. That is really practical advice A: Hi, Peter! 1.____________ B: Yes, I visited it last weekend. I learned lots of useful ideas. A: 2.____________ B: She has gone to collect waste bottles for the project. A: 3.____________ B: We can reuse old cloth bags and glass bottles. A: 4.____________ B: Not really, but we must try our best to cut down its use. A: 5.____________ I will follow these small steps. 拓展阅读（课内同源 + 课外同源） Passage1 　　There are many simple steps for us to protect the environment. This connects to our unit big question. What can we do to protect our environment? Some students have been to environmental shows. They learn that we might reduce waste in many ways. We must reuse useful things. For example, use cloth bags instead of plastic bags. Don’t waste electricity or water. These actions may seem tiny, but they do work. You might not see results right away, but keep on trying. Every small step can help our planet in the long run. Try your best today. 任务一：单项选择（4选项） 1. What can we use instead of plastic bags? A. Cloth bags B. Paper‑plastic mixed bags C. New plastic bags D. Expensive metal boxes 2. What is true about these small environmental steps? A. They never work at all B. We can get results in one minute C. They may seem tiny but do work D. They cost lots of money 任务二：判断正误(T/F) 1. Some students have been to environmental shows for study. (  ) 2. We should waste plenty of water and electricity. (  ) 任务三：简答 1. What can help our planet in the long run? _______________________________________________________________________________ Passage2（课外同源，学习方法短文；生词来自单元单词表） 　　Many people have been to different waste‑sorting activities. They might find that protecting the earth does not need big money. We must form good living habits. You may choose to buy fewer single‑use products. Reuse bottles and other useful objects. Reduce the waste you produce. It might take some time to change old habits. Don’t give up. Every person can make his or her contribution. Small changes in our daily life can bring great hope for our shared home. Keep practicing and never stop caring about our environment. We are the hope of it. 任务一：单项选择（4选项） 1. What do many people take part in? A. Waste‑sorting activities B. Plastic‑producing factories C. Water‑polluting games D. Wasting‑food parties 2. What may we choose to do for environment? A. Buy more plastic goods B. Produce much more waste C. Buy fewer single‑use products D. Never reuse anything 任务二：判断正误(T/F) 1. Protecting the earth does not need lots of money. (  ) 2. We should give up when old habits are hard to change. (  ) 任务三：简答 1. What can bring great hope for our shared home? _______________________________________________________________________________ 任务四：微写作 Write about steps to cut down waste. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案 夯实基础 一、单词汉译英 1.reduce 2.reuse 3.plastic 4.step 5.electricity 6.bottle 7.cloth 8.reuse 二、短语英译汉 1.减少浪费 2.重复使用布袋 3.节约水电 4.采取简单的措施 5.曾经去过城市公园 三、词形变换 1.reduced 2.reusing 3.electric 4.bottles 5.cloth 能力进阶 一、语法单句填空 1.must 2.has gone 3.have been 4.might 5.must 二、句型改写 1.can’t 2.Where has; gone 3.Have; been 4.might not 5.She has been to the low‑carbon park. 三、选词填空 1.reduce 2.reuse 3.electricity 4.step 5.bottles 四、情景补全对话 答案：1.B 2.A 3.E 4.D 5.F；多余项：C 拓展提高 Passage1 单选：1.A 2.C；判断：1.T 2.F 简答示例：Every small step can help our planet in the long run. Passage2 单选：1.A 2.C；判断：1.T 2.F 简答示例：Small changes in our daily life can bring great hope for our shared home. 范文：We must form good habits. We may reuse bottles and cloth bags. We should buy fewer single‑use things. Small daily changes can bring hope for our environment. 学科网（北京）股份有限公司 $