第三次月考考前冲刺・重点必考词汇变形 100 题（Units 4-5）- 2025-2026 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Units 4-5核心词汇变形，通过三种题型系统考查词汇应用能力，夯实语言基础，提升语言能力与学习能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |根据中文提示写单词|35题|考查单词拼写及固定搭配（如“一瓶”“零花钱”）|从中文释义到英文单词的直接转换，强化基础词汇记忆| |用括号内单词填空|35题|侧重词性转换（如Africa→African）、语法应用（如名词复数、动词不定式）|通过词形变化考查语法规则，构建词汇-语法联动逻辑| |根据首字母提示完成句子|30题|语境中补全单词（如“病毒”virus、“捐赠”donate）|结合上下文语境考查词汇灵活运用，培养语言理解与表达能力|

夯实词汇基础・突破变形考点・单元专项精练 外研版（2024）八年级下册第三次月考（Units 4-5） 重点必考词汇变形100题 学校：______________ 班级：______________ 姓名：______________ （考试时间：60分钟 满分：100分） 一、根据中文提示写出单词的正确形式。（共35小题；每小题1分，满分35分） 1．Natural ________ (财富) like forests and rivers should be protected. 2．The violin and erhu ________ ________ the string instruments. (属于) 3．These ________ (模型) of spaceships were made by our group. 4．All the students are looking at the ________ (布告牌) to find their exam results. 5．I have a new ________ (方法) to remember English words. It’s really useful. 6．I don’t like the ________ (风格) of this T-shirt. Please show me another one. 7．My grandfather likes reading a ________ (报纸) after breakfast or dinner. 8．The sports equipment was ________ (完全地，彻底地) checked before the sports meeting. 9．The ________ (北部的) part of our country is very cold in winter. 10．Her bright personality always brings ________ (温暖) and happiness to those around her. 11．After high school, many students go to ________ (大学) to study and prepare for their future careers (职业). 12．The ________ (消防队员) often come to give safety lessons at school. 13．Mike’s brother serves in the army and is a brave ________ (士兵). 14．If you catch the ________ (流感), you should rest at home. 15．The teacher asked us to practise the ________ (对话) in pairs. 16．They are busy preparing for the coming ________ (考试). 17．My mum bought ________ ________ ________ (一瓶) fresh orange juice on her way home. 18．It was a painful experience, so she didn’t want to ________ (提到；说起) it. 19．We can help people in ________ (轮椅) get on and off the bus. 20．This ________ (疾病) makes him feel very tired every day. 21．The kids should learn to make a plan for their ___________ ___________ . (零花钱) 22．The hospital offers free medical ________ (治疗) for poor children. 23．To his parents’ great ________ (失望), he failed the final exam again. 24．The ________ (病毒) can spread quickly, so we need to take protective measures. 25．She drew a picture with a ________ (紫色的) crayon for the elderly. 26．To make that ________ (论点) stronger, the writer adds some facts and examples. 27．She asked me ________ (是否) I had finished the task or not. 28．Many students ________ (捐赠) books and clothes every charity day. 29．Finally, he decided to make the secret ________（公开的）. 30．The doctor asked him to take an ________ (X光检查) to check if his leg was broken. 31．The family has paid a lot for the house, so they can’t ________ (买得起) such an expensive car. 32．_________ _________ , can you tell me the way to Kunming City Museum? (劳驾) 33．Although he is seventy, he is still ___________ (有活力的). 34．My father helped me find the ________ (解决方法) to getting on well with my classmates. 35．I often exercise at the park because I like the clean air and ________ (阳光). 二、用括号内单词的正确形式填空。（共35小题；每小题1分，满分35分） 1．Is there ________ (somebody) who can help me with this math problem? 2．The giraffe is a large ________ (Africa) animal with a very long neck and long legs. 3．Several brave ________ (fireman) rushed into the burning building to save people. 4．Some ________ (college) students are willing ________ (come). 5．They decided ________ (donate) books to the village school. 6．How many ________ (bottle) of milk do you want? 7．Leah’s story ________ (go) public soon after she started raising money. 8．Crayons may carry ________ (virus) and spread diseases, so they can only be used once. 9．The ________ (wealth) man donated all his money to the poor children. 10．His ________ (see) is very sharp. He can even find small insects in the grass. 11．I think the ________ (argue) is meaningless, because neither answer is right. 12．Blind boxes which have ________ (known) things inside are popular with young people. 13．I can ________ (hard) believe my eyes when I see the amazing view. 14．The book ________ (belong) to my sister, so I can’t lend it to you. 15．My ________ (granddaughter) birthday is coming, and I want to buy her a gift. 16．The invention of the steam engine was inspired by the ______ (boil) water and the hot steam. 17．Let’s explore nature! It presents us with ________ (end) wonders and secrets. 18．Our son has problems with his reading and ________ (write) at school. 19．This new evidence (证据) could ________ (lock) the secret of the old case. 20．The ________ (believe) that dinosaurs could fly has been proved by new research. 21．I have ________ (full) understood the problem, and I can solve it in ten minutes. 22．She is by no ________ (mean) stupid—she just needs more practice. 23．To our ________ (disappoint), we couldn’t hold the activity. 24．This serious ________ (ill) keeps him in hospital for a week. 25．After this ________(treat), the boy felt much better than before. 26．If you’re not sure about the answer, you can ask your teacher ________ (direct). 27．Everyone can feel the ________ (warm) of the helping hands from the volunteers. 28．Do you have a ________ (solve) to the maths question? 29．The little boy felt ________ (luck) to get so much help from strangers. 30．There are two _________ (pocket) in your jacket. You can put something in them. 31．Who is your ________ teacher this year? (chemical) 32．Thanks to Doctor Li, he made the little boy ________. (live) 33．Harbin is in the ________ (north) part of China. You can enjoy the Ice Festival there in winter. 34．We should try our best to help the ________ (home) people. 35．After ________ (graduate) from the college, she worked as a nurse. 三、根据首字母提示完成句子。（共30小题；每小题1分，满分30分） 1．The computer connected to the Internet can download or u________ the information online. 2．We saw a huge w________ jumping out of the sea during the boat tour. 3．Jupiter (木星) is the largest p________ in our solar system. 4．Poor s________ makes it hard for my grandpa to read small words. 5．Look at the notice on the b________! It says there will be a parent-teacher meeting next Friday. 6．Different students may have different m________ to learn English well. 7．They had a warm d________ about volunteer work. 8．— Doctor, do I need to take any medicine? — No. It’s not serious. Just drink enough water. Your body will fight the v________itself. 9．A f________ will give a talk on how to keep safe when a fire happens. 10．Our school is collecting old books and clothes to d_______ to a local charity. 11．How time flies! Our senior classmates will g________ from junior high school only in a month. 12．In a war, each s________, on the ground, in planes, or from boats, does the fighting. 13．As we all know, the Diaoyu Islands b___________ to China. 14．Scientists wonder if any tiny organisms are still a________ in the underground water of Mars. 15．The meeting was so long that it seemed e________. 16．We haven’t decided w________ to go hiking or not this weekend. 17．He is so nervous that he can h________ solve the maths problem. 18．Her strong b________ in justice inspired many people. 19．Please speak d________ if you have any advice. 20．Tom will g________ from Peking University next year and become an engineer. 21．Don’t m________ the sad thing to the old man. 22．This i________ makes him feel very weak and tired. 23．We should give a helping hand to the h________ people around us. 24．The w________ from volunteers makes the world warm and bright. 25．Many poor families can’t a________ to pay for medical care. 26．The boy has three m_______ cars on the table. He loves them very much. 27．The s________ of this pen is very nice. It writes smoothly. 28．Before washing, check and c________ your pockets in order to make sure there's nothing left. 29．She is busy with her final e________ these days. 30．Most people are a________ wasting food and water. 学科网（北京）股份有限公司 $ 答案解析 一、根据中文提示写出单词的正确形式（共35小题；每小题1分，满分35分） 1. wealth；解析：wealth 不可数名词，表“财富”，natural wealth“自然财富”，无复数。 2. belong to；解析：belong to 固定短语，表“属于”，主语复数用原形 belong。 3. models；解析：model 可数名词，表“模型”，these 后用复数 models。 4. board；解析：board 可数名词，表“布告牌”，the 后用单数 board。 5. method；解析：method 可数名词，表“方法”，a 后用单数 method。 6. style；解析：style 可数名词，表“风格”，the 后用单数 style。 7. newspaper；解析：newspaper 可数名词，表“报纸”，a 后用单数 newspaper。 8. completely；解析：completely 副词，表“完全地、彻底地”，修饰动词 checked。 9. northern；解析：northern 形容词，表“北部的”，修饰名词 part。 10. warmth；解析：warmth 不可数名词，表“温暖”，bring warmth“带来温暖”。 11. university；解析：university 可数名词，表“大学”，go to university“上大学”。 12. firemen；解析：fireman 可数名词，表“消防队员”，the 后用复数 firemen。 13. soldier；解析：soldier 可数名词，表“士兵”，a 后用单数 soldier。 14. flu；解析：flu 不可数名词，表“流感”，catch the flu“患流感”。 15. dialogue；解析：dialogue 可数名词，表“对话”，the 后用单数 dialogue。 16. exam；解析：exam 可数名词，表“考试”，the coming exam“即将到来的考试”。 17. a bottle of；解析：a bottle of 固定短语，表“一瓶”，修饰不可数名词 juice。 18. mention；解析：mention 动词，表“提到、说起”，want to 后接动词原形。 19. wheelchairs；解析：wheelchair 可数名词，表“轮椅”，in wheelchairs“坐轮椅”，用复数。 20. illness；解析：illness 可数名词，表“疾病”，this 后用单数 illness。 21. pocket money；解析：pocket money 固定短语，表“零花钱”，不可数，无复数。 22. treatment；解析：treatment 不可数名词，表“治疗”，medical treatment“医疗治疗”。 23. disappointment；解析：disappointment 名词，表“失望”，to one’s disappointment“令某人失望的是”。 24. virus；解析：virus 可数名词，表“病毒”，the 后用单数 virus。 25. purple；解析：purple 形容词，表“紫色的”，修饰名词 crayon。 26. argument；解析：argument 可数名词，表“论点”，that 后用单数 argument。 27. whether；解析：whether 连词，表“是否”，whether...or not“是否”，引导宾语从句。 28. donate；解析：donate 动词，表“捐赠”，主语复数，一般现在时用原形 donate。 29. public；解析：public 形容词，表“公开的”，make sth. public“把某事公开”。 30. X-ray；解析：X-ray 可数名词，表“X光检查”，an 后用单数 X-ray。 31. afford；解析：afford 动词，表“买得起”，can’t 后接动词原形 afford。 32. Excuse me；解析：Excuse me 固定短语，表“劳驾、打扰了”，用于礼貌问路。 33. alive；解析：alive 形容词，表“有活力的、健在的”，be 动词后作表语。 34. solution；解析：solution 可数名词，表“解决方法”，the 后用单数 solution。 35. sunshine；解析：sunshine 不可数名词，表“阳光”，无复数，clean air and sunshine“清新空气和阳光”。 二、用括号内单词的正确形式填空（共35小题；每小题1分，满分35分） 1. anybody；解析：somebody 变 anybody，疑问句中用 anybody 表“任何人”。 2. African；解析：Africa 变形容词 African，表“非洲的”，修饰名词 animal。 3. firemen；解析：fireman 变复数 firemen，several 后接可数名词复数。 4. college；to come；解析：college 名词作定语；固定搭配 be willing to do sth.“愿意做某事”。 5. to donate；解析：固定搭配 decide to do sth.“决定做某事”，用 to donate。 6. bottles；解析：bottle 变复数 bottles，how many 后接可数名词复数。 7. went；解析：go 变过去式 went，soon after 引导过去时间状语，用一般过去时。 8. viruses；解析：virus 变复数 viruses，表泛指，用复数形式。 9. wealthy；解析：wealth 变形容词 wealthy，表“富有的”，修饰名词 man。 10. sight；解析：see 变名词 sight，表“视力”，his 后接名词。 11. argument；解析：argue 变名词 argument，表“争论、论点”，the 后接名词。 12. unknown；解析：known 变反义词 unknown，表“未知的”，修饰名词 things。 13. hardly；解析：hard 变副词 hardly，表“几乎不”，修饰动词 believe。 14. belongs；解析：belong 变第三人称单数 belongs，主语 the book 单数，一般现在时。 15. granddaughter’s；解析：granddaughter 变名词所有格 granddaughter’s，表“孙女的”，修饰名词 birthday。 16. boiling；解析：boil 变形容词 boiling，表“沸腾的”，修饰名词 water。 17. endless；解析：end 变形容词 endless，表“无尽的”，修饰名词 wonders。 18. writing；解析：write 变动名词 writing，与 reading 并列，作介词宾语。 19. unlock；解析：lock 变反义词 unlock，表“解开、揭开”，could 后接动词原形。 20. belief；解析：believe 变名词 belief，表“信念”，the 后接名词。 21. fully；解析：full 变副词 fully，表“完全地”，修饰动词 understood。 22. means；解析：mean 变名词 means，固定搭配 by no means“绝不”。 23. disappointment；解析：disappoint 变名词 disappointment，固定搭配 to one’s disappointment。 24. illness；解析：ill 变名词 illness，表“疾病”，this 后接名词。 25. treatment；解析：treat 变名词 treatment，表“治疗”，this 后接名词。 26. directly；解析：direct 变副词 directly，表“直接地”，修饰动词 ask。 27. warmth；解析：warm 变名词 warmth，表“温暖”，the 后接名词。 28. solution；解析：solve 变名词 solution，表“解决方法”，a 后接名词。 29. lucky；解析：luck 变形容词 lucky，表“幸运的”，felt 后作表语。 30. pockets；解析：pocket 变复数 pockets，two 后接可数名词复数。 31. chemistry；解析：chemical 变名词 chemistry，表“化学”，chemistry teacher“化学老师”。 32. alive；解析：live 变形容词 alive，表“活着的”，make sb. alive“让某人活着”。 33. northern；解析：north 变形容词 northern，表“北部的”，修饰名词 part。 34. homeless；解析：home 变形容词 homeless，表“无家可归的”，修饰名词 people。 35. graduating；解析：graduate 变动名词 graduating，after 介词后接动名词。 三、根据首字母提示完成句子（共30小题；每小题1分，满分30分） 1. upload；解析：upload 动词，表“上传”，与 download（下载）对应，can 后接原形。 2. whale；解析：whale 名词，表“鲸鱼”，a huge whale“一头巨大的鲸鱼”。 3. planet；解析：planet 名词，表“行星”，the largest planet“最大的行星”。 4. sight；解析：sight 名词，表“视力”，poor sight“视力差”。 5. board；解析：board 名词，表“布告牌”，notice on the board“布告牌上的通知”。 6. methods；解析：method 名词，表“方法”，different 后用复数 methods。 7. dialogue；解析：dialogue 名词，表“对话”，have a warm dialogue“进行热烈对话”。 8. virus；解析：virus 名词，表“病毒”，fight the virus“对抗病毒”。 9. fireman；解析：fireman 名词，表“消防队员”，a fireman“一名消防队员”。 10. donate；解析：donate 动词，表“捐赠”，collect to donate“收集捐赠”。 11. graduate；解析：graduate 动词，表“毕业”，will 后接原形 graduate。 12. soldier；解析：soldier 名词，表“士兵”，each soldier“每名士兵”。 13. belong；解析：belong 动词，表“属于”，belong to China“属于中国”。 14. alive；解析：alive 形容词，表“活着的”，be alive“存活”。 15. endless；解析：endless 形容词，表“无尽的”，seemed endless“似乎没完没了”。 16. whether；解析：whether 连词，表“是否”，whether...or not“是否”。 17. hardly；解析：hardly 副词，表“几乎不”，hardly solve“几乎无法解决”。 18. belief；解析：belief 名词，表“信念”，strong belief“坚定信念”。 19. directly；解析：directly 副词，表“直接地”，speak directly“直接说”。 20. graduate；解析：graduate 动词，表“毕业”，will 后接原形 graduate。 21. mention；解析：mention 动词，表“提到”，don’t mention“别提”。 22. illness；解析：illness 名词，表“疾病”，this illness“这种病”。 23. homeless；解析：homeless 形容词，表“无家可归的”，homeless people“无家可归的人”。 24. warmth；解析：warmth 名词，表“温暖”，warmth from volunteers“志愿者带来的温暖”。 25. afford；解析：afford 动词，表“买得起、负担得起”，can’t afford“负担不起”。 26. model；解析：model 名词，表“模型”，model cars“汽车模型”。 27. style；解析：style 名词，表“款式、风格”，the style of the pen“笔的款式”。 28. clear；解析：clear 动词，表“清空、清理”，clear your pockets“掏空口袋”，祈使句用原形。 29. exam；解析：exam 名词，表“考试”，final exam“期末考试”。 30. against；解析：against 介词，表“反对”，be against wasting food“反对浪费食物”。 学科网（北京）股份有限公司 $