期末复习之重点单词及词汇变形专项训练100题 - 2026学年外研版八年级下册英语

**基本信息** 聚焦外研版八年级下册Unit1-Unit8核心词汇，通过四种题型系统训练词汇变形能力，强化语境中词汇应用，提升语言能力与学习策略。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |中文提示写词形|35题|考查单词正确形式及固定搭配（如“从错误中学习”）|围绕单元核心词汇，构建“拼写-词性-语境”三维训练逻辑，覆盖词汇应用关键能力| |首字母提示补全|35题|结合语境考查词汇拼写（如“balance of nature”）| |词形转换填空|19题|括号内单词词性变化（如energy→energetic）| |音标提示补全|10题|语音与拼写对应（如/ˈvaɪrəs/→virus）|

外研版八年级下册英语词汇变形专项100题 答案+详细解析 一、根据中文提示写出单词的正确形式 1. be replaced 解析： “被取代”是被动语态，结构为 be + 过去分词，replace 的过去分词为 replaced。 2. Communicating with 解析： 句首动词作主语，用动名词形式；communicate with 为固定搭配。 3. learn from mistakes 解析： learn from mistakes 为固定短语，注意 mistake 用复数表示泛指。 4. environment 解析： 名词，意为“环境”。 5. Desert 解析： 名词作定语，修饰 plants。 6. Province 解析： 名词，注意首字母大写（专有名词）。 7. schedule 解析： 名词，意为“日程安排”。 8. benefited 解析： benefit from 意为“从……中受益”，根据语境用过去式。 9. boring 解析： 形容词，修饰物，意为“无聊的”。 10. charge 解析： charge 作动词，意为“充电”。 11. spread 解析： spread 的过去式和原形同形。 12. borrow 解析： borrow 意为“借入”，注意与 lend 区分。 13. ancient 解析： 形容词，意为“古老的”。 14. whale 解析： 名词，注意拼写。 15. species 解析： 单复数同形。 16. method 解析： 名词，意为“方法”。 17. pull together 解析： 固定短语，意为“齐心协力”。 18. deal with 解析： 固定短语，意为“应对、处理”。 19. countryside 解析： 名词，意为“乡村”。 20. tent 解析： 名词，意为“帐篷”。 21. afford 解析： afford 常与 can/can’t 连用，后接名词或不定式。 22. spirit 解析： 名词，意为“精神”。 23. the key to success 解析： key to... 意为“……的关键”，success 为名词。 24. energy 解析： 名词，意为“能源”。 25. northern 解析： 形容词，意为“北方的”。 26. enough 解析： 修饰名词时放在前面。 27. get through 解析： 固定短语，意为“度过（困难）”。 28. throw 解析： throw away 意为“扔掉”。 29. pain 解析： 名词，意为“痛苦”。 30. within 解析： 介词，意为“在……之内”。 31. smoothly 解析： 副词，修饰动词 went on。 32. completely 解析： 副词，修饰 understand。 33. wisdom 解析： 名词，意为“智慧”。 34. survival 解析： 名词，意为“生存”，key to 中的 to 是介词。 35. childhood 解析： 名词，意为“童年”。 二、根据首字母提示完成句子 1. crazy 解析： 形容词，意为“疯狂的”。 2. forest 解析： 名词，意为“森林”。 3. balance 解析： 名词，意为“平衡”。 4. strengths 解析： 与 weaknesses 对应，意为“优势”。 5. increased 解析： 动词过去式，意为“增加”。 6. Wild 解析： 形容词，意为“野生的”。 7. community 解析： 名词，意为“社区”。 8. cooperate 解析： 动词，意为“合作”。 9. leader 解析： 名词，意为“领导者”。 10. natural 解析： 形容词，意为“自然的”。 11. chemicals 解析： 名词，意为“化学物质”。 12. disappointed 解析： 形容词，修饰人，意为“失望的”。 13. effort 解析： make an effort 为固定短语。 14. clearly 解析： 副词，修饰 hear。 15. pressure 解析： 名词，意为“压力”。 16. fail 解析： 动词，意为“不及格”。 17. interrupt 解析： 动词，意为“打断”。 18. law 解析： 名词，意为“法律”。 19. scientist 解析： 名词，意为“科学家”。 20. imagine 解析： 动词，意为“想象”。 21. secretary 解析： 名词，意为“秘书”。 22. achieve 解析： 动词，意为“实现”。 23. pilot 解析： 名词，意为“飞行员”。 24. career 解析： 名词，意为“职业”。 25. replace 解析： 动词，意为“取代”。 26. skills 解析： 名词，意为“技能”。 27. interview 解析： 名词，意为“面试”。 28. necessary 解析： 形容词，意为“必要的”。 29. company 解析： 名词，意为“公司”。 30. recycle 解析： 动词，意为“回收利用”。 31. discovered 解析： 动词过去式，意为“发现”。 32. Dinosaur 解析： 名词，意为“恐龙”。 33. lazy 解析： 形容词，意为“懒惰的”。 34. resource 解析： 名词，意为“资源”。 35. wealth 解析： 名词，意为“财富”。 三、用括号内单词的正确形式填空 1. hardly 解析： 副词，意为“几乎不”。 2. energetic 解析： 形容词，修饰 teacher。 3. painful 解析： 形容词，修饰人感到疼痛。 4. amazing 解析： 形容词，修饰事物。 5. arrival 解析： 名词，意为“到达”。 6. childhood 解析： 名词，意为“童年”。 7. details 解析： 名词复数，意为“细节”。 8. cycling 解析： 动名词作定语，意为“骑行的”。 9. argument 解析： 名词，意为“争论”。 10. connection 解析： 名词，意为“联系”。 11. wisdom 解析： 名词，意为“智慧”。 12. objects 解析： 名词复数，意为“物品”。 13. adaptation 解析： 名词，意为“适应”。 14. climate 解析： 名词作定语，意为“气候的”。 15. to upload 解析： decide to do sth. 16. proved 解析： 动词过去式，意为“证明”。 17. interested 解析： get interested in 意为“对……感兴趣”。 18. destruction 解析： 名词，意为“破坏”。 19. harmoniously 解析： 副词修饰 live。 20. pieces 解析： 量词短语，piece 可数。 四、根据音标提示补全句子 1. pollute 2. react 3. festival 4. among 5. drama 6. virus 7. Perhaps 8. watermelon 9. literature 10. director 学科网（北京）股份有限公司 $ 外研版新教材八年级下册英语Unit 1 - Unit 8 期末测试之重点词汇变形专项训练100题 （含解析） 1、 根据中文提示写出单词的正确形式。 1．Some jobs may soon ________ ________ (被取代) by machines. 2．________ ________ (与……交流) teammates is very important for a team. 3．It’s important for us to ________ ________ __________ (从错误中学习) in our daily life. 4．We must protect the marine ________ (环境) from plastic pollution. 5．________ (沙漠) plants are adapted to cope with extreme heat. 6．Zhejiang ________ (省份) is famous for its tea production. 7．His ________ (日程表) is fully booked for the next month. 8．The study also showed that even children who were already feeling happy ________ (受益于) from taking part in after-school activities. 9．I don’t like this film. It’s __________ (无聊的). 10．My phone is dead. I need to ________ (充电) it. 11．The virus can ________ (传播) quickly among people. 12．May I __________ (借) your dictionary? 13．There are many ________ (古老的) stories in the book. 14．The ________ (鲸鱼) is the largest animal in the ocean. 15．This kind of bird is a rare ________ (物种). 16．We all think this is a useful ________ (方法). 17．We should ________ ________ (齐心协力) to win the coming match. 18．Yesterday morning, I had to ________ a headache and low energy after staying up too late. (应对，处理) 19．They live a quiet life in the ________ (乡下；乡村). 20．We put up a _________ (帐篷) by the lake and had a picnic there. 21．We can’t __________ (负担得起) such an expensive house. 22．The football matches can help to build teamwork _________（精神）. 23．Teamwork is ________ ________ ________ ________ (成功的关键) for a great team. 24．Solar ________(能源) is clean and it helps protect our Earth. 25．Harbin is in the ________ (北方的) part of China. 26．We don’t have __________ (足够的) time to get there. 27．We should help each other to __________ (度过) difficulties. 28．Don’t __________ (乱扔) away the old books. 29．The bad news filled her with great __________ (痛苦). 30．You can find a good restaurant _________ (在……之内) five minutes’ walk from here. 31．The project went on ________ (顺利地) without any problems. 32．We don’t ________ (完全地) understand this maths problem. We need some help. 33．We can learn a lot of ________ (智慧) from the elderly because they have rich life experience. 34．Basic skills like finding food are key to ________ (生存) in the wild. 35．Everyone has a happy ________ (童年) filled with sweet memories. 2、 根据首字母提示完成句子。 1．He had a c________ idea to climb the mountain alone at night. 2．We can see many trees in the f________. 3．Keeping the b________ of nature is very important for our planet. 4．Everyone has their own s________ and weaknesses in a team. 5．The number of pandas has i________ a lot in recent years. 6．W________ animals are those that live in nature, not raised by humans. 7．It’s everyone’s duty to keep our c________ clean and tidy. 8．We need to c________ with each other to finish the task quickly. 9．A good l________ can guide the team to achieve their goals. 10．We must follow the n________ rules. 11．Maybe there are some c________ in the water that give off heat. 12．She felt d__________ when she heard the bad news. 13．Everyone should make an e________ to protect our environment. 14．We can’t hear what he said c________ because he spoke too fast. 15．She felt a lot of p________ to do well on the test. 16．Listen carefully in class, or you’ll f________ your exam. 17．—I’m so sorry to i________ you and Tom. —Never mind. We’re just having a free walk. 18．According to the l________, you mustn’t steal things. 19．He wants to be a s________ and discover new things in space. 20．Can you i________ what your life will be like in ten years? 21．The job of a s________ is to answer phone calls and organize meetings in an office. 22．We must work hard to a________ our goals in life. 23．A p________ flies planes and takes people to different places around the world. 24．Choosing the right c________ is an important decision for young people. 25．Machines can’t completely r________ human workers. 26．Good communication s________ are important in many jobs. 27．He is going to have a job i________ tomorrow. 28．It is n________ to learn some useful skills. 29．My father works in a big c________ in the city. 30．We can r________ waste paper and bottles to protect the environment. 31．The scientist d________ a new kind of plant in the forest last year. 32．D________ fossils with feathers changed our understanding of ancient animals. 33．My cat is very l________, he sleeps all day in his warm basket. 34．Water is a very important natural r ________ , so we shouldn’t waste it. 35．Jim’s family is known for their great w________, but they still live a simple life.三、用括号内单词的正确形式填空。 1．He ________ (hard) talks about his prizes. 2．The ________ (energy) teacher kept the students engaged throughout the class. 3．The young man was bitten by a snake and felt very _________(pain). 4．It is ________ (amaze) how Karez works in dry desert land. 5．The ________ (arrive) of Summer Solstice brings hot weather to fields. 6．Many poems record beautiful ________ (child) memories of farm life. 7．The reporter writes ________ (detail) about life with natural rules. 8．A pleasant ________ (cycle) trip helps us know rural natural life. 9．There is a heated ________ (argue) among scientists over the secret of the boiling river. 10．The close ________ (connect) between water and land forms Karez system. 11．Ancient Chinese ________ (wise) is shown in the 24 Solar Terms. 12．These old ________ (object) in the museum are ancient amber with small creatures inside. 13．The quick ________ (adapt) of small animals surprises biologists. 14．The ________ (climate) change puts many rare animals in danger. 15．We decide ________ (upload) our field photos of wild plants to the school website. 16．We ________ (prove) the truth of the scientist’s idea with new fossil evidence. 17．Kids get ________ (interest) in amber after watching the science video. 18．The ________ (destroy) of rainforest leads to more species dying out. 19．Living ________ (harmony) with animals is our common duty. 20． Could you please give me some ________ (piece) of paper? 四、根据音标提示补全句子。 1．We shouldn’t ________ /pəˈluːt/ the environment; instead, we must protect it. 2．When you mix these two things, they will ________ /riˈækt/. 3．Every spring, they hold a cultural ________ /'festɪvl/ and local artists display (展示) their paintings. 4．Grain in Ear is _________ /ə'mʌŋ/ the busiest solar terms for the farmers. 5．In the school ________ /’dra:mə/ festival, Jenny successfully played the role of the queen. 6．The WHO has taken action before the ________ /’vaɪrəs/ spreads around the world. 7．_______ /pə'hæps/ we should consider another choice. 8．I bought a big and sweet ________ /ˈwɔːtəmelən/ in the supermarket this morning. 9．She likes reading. She has a deep understanding of Chinese _________ /'litərətʃə/. 10．He is the ________ (/ˈdaɪrektə(r)/) of the company and makes important decisions. 学科网（北京）股份有限公司 $