Unit8 知识点易错点及检测2025-2026学年人教版英语八年级下册

新人教版八年级下册 Unit 8 Environmental Protection 单元达标检测卷（满分100分） 第一部分 单元核心易错点&考点总结 一、核心单词易错点 1. protect v. 保护 → protection n. 保护 2. pollute v. 污染 → pollution n. 污染 3. reuse v. 再使用；重复利用 4 recycle v. 回收利用 5. waste v. 浪费 / n. 垃圾 6. plastic n. 塑料 adj. 塑料的 7. harm v./n. 伤害、危害 → harmful adj. 有害的 8. save v. 节约；拯救 9. little / less / least 少量；比较级最高级变形 10 develop v. 发展 → development n. 发展 二、核心必考短语 1. protect the environment 保护环境 2. air / water pollution 空气/水污染 3. cut down trees 砍伐树木 4. be harmful to 对……有害 5. save water / energy 节约水/能源 6. take action 采取行动 7. sort waste 垃圾分类 8. reuse and recycle 再利用与回收 9. turn off 关掉（水电灯） 10. live a green life 过绿色低碳生活 三、单元核心语法（全覆盖，必考点） 1. 情态动词 should / shouldn’t / must / have to表责任与建议 2. 并列连词 and / but / or用法 3. It’s + adj. + (for sb.) to do sth.固定句型 4. 动词不定式plan/hope/try to do 5. 动名词作主语 Doing sth. is… 6. 比较级 less / more修饰名词用法 7. 被动语态基础 简单环保语境应用 第二部分 达标检测试卷 一、根据句意及首字母提示写单词（10分） 1. We should p________ our environment every day. 2. Too much plastic is h________ to our earth. 3. Water p________ is becoming more and more serious. 4. We must s________ water and electricity in daily life. 5. We can r________ old paper and bottles. 6. Don’t w________ food or time. 7. People shouldn’t c________ down too many trees. 8. We should take a________ to protect our home. 9. We should sort w________ into different bins. 10. Everyone can live a g________ life easily. 二、单项选择（20分） ( ) 1. We ________ protect the environment. It’s our duty. A. should B. shouldn’t C. could ( ) 2. Eating too much junk food is harmful ________ our health. A. for B. to C. with ( ) 3. We must turn ________ the lights when we leave the room. A. on B. up C. off ( ) 4. I want to live a green life, ________ I try not to use plastic bags. A. and B. but C. or ( ) 5. Hurry up, ________ you will miss the chance to plant trees. A. and B. but C. or ( ) 6. It’s important ________ everyone to save energy. A. of B. for C. with ( ) 7. ________ waste paper is a good habit. A. Recycle B. Recycling C. Recycled ( ) 8. We should try ________ more trees to make the air fresh. A. plant B. to plant C. planting ( ) 9. There is ________ water in the bottle. We need to save it. A. little B. few C. many ( )10. We have to ________ plastic products in our daily life. A. reduce B. increase C. make 三、用所给词的适当形式填空（10分） 1. It’s our duty ________ (protect) the environment. 2. Plastic is ________ (harm) to animals and plants. 3. We should stop ________ (cut) down trees. 4. ________ (save) water is a good habit for everyone. 5. We can reuse these old things instead of ________ (throw) them away. 6. We should do ________ (little) shopping with plastic bags. 7. He plans ________ (recycle) waste paper after school. 8. Everyone ________ (need) to live a green life. 9. Pollution makes our world ________ (bad) than before. 10. We must take action ________ (keep) our city clean. 四、句型转换（10分） 1. We should save water every day.（改为否定句） We ________ ________ save water every day. 2. It is important to protect the environment.（同义句） ________ the environment is important. 3. Use plastic bags. It is bad for us.（合并用or） Don’t use plastic bags, ________ it is bad for us. 4. We should take action right now.（改为一般疑问句） ________ we take action right now? 5. Walking to school is a green way.（同义句） ________ ________ a green way ________ walk to school. 五、完形填空（15分） The earth is our only home. Environmental protection is very 1 for all of us.Now air and water pollution is getting serious. Too many trees are 2 down. Plastic waste is 3 to living things. We can’t wait, 4 we must take action at once. As students, we should live a green life. We should 5 water and electricity. Try to 6 bikes or walk to school, not take cars. We can 7 waste paper and bottles. We should sort 8 into different bins. Small actions can make a big difference. We are young, 9 we can also help protect the earth. Let’s work together to make our world cleaner and 10 . ( ) 1. A. easy B. important C. boring ( ) 2. A. cut B. cutting C. to cut ( ) 3. A. good B. harmful C. safe ( ) 4. A. and B. but C. or ( ) 5. A. waste B. save C. use ( ) 6. A. ride B. drive C. buy ( ) 7. A. recycle B. pollute C. throw ( ) 8. A. paper B. tree C. waste ( ) 9. A. so B. but C. because ( )10. A. dirtier B. quieter C. greener 六、阅读理解（15分） Live a Green Life Our earth is in danger now. Air and water pollution are everywhere. More trees are cut down, and lots of plastic pollutes the sea. Everyone can do something easy to protect the environment. First, save water and electricity. Turn off taps and lights when you don’t use them. Second, try not to use plastic bags. Use cloth bags instead. Third, walk or ride bikes if possible. Fourth, sort waste and recycle paper and bottles. Small good habits can help make our earth a better place. Let’s live a green life together. 根据短文内容，判断正(T)误(F) ( ) 1. The earth is very safe and has no pollution now. ( ) 2. We should save water and electricity in daily life. ( ) 3. We’d better use more plastic bags. ( ) 4. Walking and riding bikes are green ways. ( ) 5. Small habits can help protect our earth. 七、书面表达（20分） 题目： Let’s Protect Our Environment 要求： 1. 词数80左右； 2. 内容：现状问题、我们日常能做的3–4件小事、发出号召； 3. 语句通顺、语法无误、贴合单元知识点。 --- 第三部分 完整参考答案（逐题校对 零错误） 一、首字母填空 1. protect 2. harmful 3. pollution 4. save 5. recycle 6. waste 7. cut 8. action 9. waste 10. green 二、单项选择 1.A 2.B 3.C 4.A 5.C 6.B 7.B 8.B 9.A 10.A 三、词形适当形式填空 1. to protect 2. harmful 3. cutting 4. Saving 5. throwing 6. less 7. to recycle 8. needs 9. worse 10. to keep 四、句型转换 1. should not 2. Protecting 3. or 4. Should 5. It is; to 五、完形填空 1.B 2.A 3.B 4.A 5.B 6.A 7.A 8.C 9.B 10.C 六、阅读理解 1.F 2.T 3.F 4.T 5.T 七、书面表达参考范文 Let’s Protect Our Environment Our earth is our home, but now pollution is becoming serious. Water and air are not as clean as before. Everyone can do something to protect the environment. We should save water and electricity. We’d better walk or ride bikes to school. We can reuse and recycle waste things, and sort rubbish well. We should also plant more trees. Small actions matter a lot. Let’s work together to make our earth cleaner and greener. 学科网（北京）股份有限公司 $