期末必考重点单词变形100题- 2025-2026学年外研版(2024)八年级上册英语

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外研版(2024)八年级上册英语期末100题答案解析(单词变形/拼写/词形转换) 1. impossible 解析:根据“always play lots of computer games”(总玩电脑游戏),可知“得好成绩是不可能的”,possible的否定形式为impossible(不可能的),形容词作表语。 2. satisfying 解析:修饰名词job(事物),用-ing形容词,satisfy的形容词形式为satisfying(令人满意的);-ed形容词satisfied修饰人,此处不符合语境。 3. valuable 解析:the most后接形容词构成最高级,value的形容词形式为valuable(珍贵的),句意为“时间是我们生命中最珍贵的东西”。 4. successful 解析:修饰名词doctor,用形容词作定语,success的形容词为successful(成功的),句意为“经过多年努力,她成为了一名成功的医生”。 5. Therefore 解析:根据语境“外面很冷,因此出门要穿暖和的衣服”,表因果关系,结合首字母T,填Therefore(因此)。 6. disaster 解析:根据“destroyed many houses and killed many people”(摧毁房屋、造成死亡),结合首字母d,填disaster(灾难),可数名词用单数形式。 7. crowded 解析:超市周末通常“拥挤”,结合首字母c,填crowded(拥挤的),形容词作表语。 8. fear 解析:根据“She doesn’t like swimming”(不喜欢游泳),可知“怕水”,结合首字母f,填fear(恐惧),a great fear of(对……极度害怕)。 9. training 解析:新工作需要“培训和努力”,结合首字母t,填training(培训),不可数名词,作宾语。 10. cover 解析:祈使句用动词原形,“覆盖”的英文为cover,固定搭配cover...with...(用……覆盖……)。 11. realized 解析:根据“I’ve finally”(我终于),可知为现在完成时,“意识到”的英文为realize,过去分词为realized。 12. documents 解析:“文献”的英文为document,为可数名词,此处用复数documents(泛指各类文献),read documents(阅读文献)。 13. keep on 解析:“坚持做某事”的固定搭配为keep on doing sth.,结合语境“坚持每天练习口语”,填keep on。 14. difference 解析:根据音标/ˈdɪfərəns/,可知为difference(差异),名词作主语,固定句型What’s the difference between...?(……之间的差异是什么?)。 15. suppose 解析:根据音标/səˈpəʊz/,可知为suppose(假设;认为),情态动词can后接动词原形。 16. character 解析:根据音标/'kærɪktə/,可知为character(性格;特征),名词作宾语,句意为“狗和狼在外形和性格上不同”。 17. haven’t seen 解析:根据“for a long time”(很长时间),可知为现在完成时,否定形式为haven’t seen(没见过)。 18. lively 解析:修饰名词dog,用形容词,live的形容词形式为lively(活泼的),描述动物“欢快地跳来跳去”,符合语境;living表示“活着的”,侧重“有生命的”,此处不适用。 19. personal 解析:修饰名词opinion,用形容词,person的形容词为personal(个人的),a personal opinion(个人观点)。 20. largest 解析:固定结构one of the + 形容词最高级 + 可数名词复数(……中最……之一),large的最高级为largest(最大的)。 21. agreement 解析:不定冠词an后接名词,agree的名词形式为agreement(协议),reach an agreement(达成协议)。 22. returns 解析:根据时间状语every day(每天),可知为一般现在时,主语she为第三人称单数,return的第三人称单数形式为returns(返回)。 23. comfortable 解析:系动词felt(feel的过去式)后接形容词作表语,comfort的形容词为comfortable(舒适的),句意为“当朋友支持他时,他感到很安心”。 24. Perhaps 解析:根据“let’s wait for the weather report”(等天气预报),可知“可能周末能野餐”,结合首字母P,填Perhaps(可能),副词修饰整个句子。 25. narrow 解析:根据“so we had to walk carefully”(必须小心走),可知山路“狭窄”,结合首字母n,填narrow(狭窄的),形容词作表语。 26. priceless 解析:根据“You can never buy it”(永远买不到),可知母爱“无价”,结合首字母p,填priceless(无价的),形容词作表语。 27. relatives 解析:春节期间“亲戚”会来访,结合首字母r,填relatives(亲戚),many of后接可数名词复数。 28. government 解析:“政府”的英文为government,为可数名词,此处用单数形式(特指当地政府),作主语。 29. whenever 解析:“每当”的英文为whenever,引导时间状语从句,句意为“每当洗澡时,我都会大声唱歌”。 30. Divide 解析:“分成”的英文为divide,祈使句用动词原形,句首大写,固定搭配divide...into...(把……分成……)。 31. offers 解析:“提供”的英文为offer,根据“always”(总是),可知为一般现在时,主语a trustworthy friend为第三人称单数,offer的第三人称单数形式为offers,固定搭配offer advice(提供建议)。 32. neighbor 解析:根据音标/neibә/,可知为neighbor(邻居),形容词new后接名词单数,句意为“我们的新邻居帮我们把箱子搬上楼”。 33. article 解析:根据音标['ɑːtɪkl],可知为article(文章),an后接名词单数,read an English article(读一篇英文文章)。 34. creative 解析:根据音标/kriˈeɪtɪv/,可知为creative(有创造力的),形容词作定语,修饰artist(艺术家)。 35. failure 解析:根据音标/ˈfeiljə/,可知为failure(失败),不可数名词,作宾语,learn from failure(从失败中学习)。 36. invention 解析:根据音标/ɪnˈvenʃn/,可知为invention(发明),定冠词The后接名词,the invention of the Internet(互联网的发明)。 37. brain 解析:根据音标/breɪn/,可知为brain(大脑),exercise your brain(锻炼你的大脑),不可数名词。 38. prepare 解析:“准备”的英文为prepare,need to后接动词原形,prepare for(为……做准备)。 39. improve 解析:“改进”的英文为improve,want to后接动词原形,improve spoken English(提高口语)。 40. discussing 解析:“讨论”的英文为discuss,根据“have a lovely time”,可知用固定搭配have a good time doing sth.(做某事很开心),故填discussing。 41. towards 解析:“朝;向”的英文为towards,介词,后接宾语me,ran towards me(朝我跑来)。 42. quality 解析:“质量”的英文为quality,不可数名词,high quality(高质量),作定语修饰food。 43. risk 解析:根据“falling down”(倒塌),可知“有风险”,结合首字母r,填risk(风险),固定搭配at risk of(有……的风险)。 44. blind 解析:导盲犬帮助“盲人”过马路,结合首字母b,填blind(失明的),形容词作定语修饰people。 45. artificial 解析:“假肢”的英文为artificial arm,结合首字母a,填artificial(人造的),形容词作定语。 46. watch; going 解析:固定搭配used to do sth.(过去常常做某事),故第一空填watch(观看)原形;be used to doing sth.(习惯于做某事),故第二空填going(去)的动名词形式。 47. accepting 解析:介词about后接动名词,accept(接受)的动名词为accepting,句意为“身体自信是指完全接受自己的身体并了解它们能为我们做什么”。 48. harvesting 解析:感叹句结构How busy the farmers are! 后接现在分词,强调“正在收割小麦”,harvest(收割)的现在分词为harvesting。 49. electricity 解析:save后接名词,electronic(电子的)的名词形式为electricity(电),不可数名词,save electricity(节约用电)。 50. hanging 解析:固定搭配enjoy doing sth.(喜欢做某事),hang out(闲逛)的动名词为hanging。 51. to introduce 解析:固定搭配plan to do sth.(计划做某事),introduce(介绍)的不定式为to introduce,句意为“他们计划向其他国家介绍中国文化”。 52. development 解析:固定搭配with the development of(随着……的发展),develop的名词形式为development(发展),不可数名词。 53. bleed 解析:start to后接动词原形,blood(血液)的动词形式为bleed(流血),句意为“他从自行车上摔下来,膝盖开始流血”。 54. danger 解析:形容词great后接名词,dangerous(危险的)的名词形式为danger(危险),不可数名词,in great danger(处于极大危险中)。 55. honesty 解析:形容词性物主代词his后接名词,honest(诚实的)的名词形式为honesty(诚实),不可数名词,praise sb. for sth.(因某事表扬某人)。 56. noise 解析:介词of后接名词,noisy(吵闹的)的名词形式为noise(噪音),不可数名词,because of the noise(因为噪音)。 57. except 解析:根据“he doesn’t like it”(他不喜欢),可知“除了迈克所有人都去打篮球”,结合首字母e,填except(除……之外)。 58. progress 解析:“每天进步一点,成功就会到来”,结合首字母p,填progress(进步),不可数名词,make progress(取得进步)。 59. reduce 解析:科学家研究“如何减少空气污染”,结合首字母r,填reduce(减少),how to后接动词原形。 60. convenient 解析:新地铁线让出行更“方便”,结合首字母c,填convenient(方便的),形容词比较级more convenient(更方便的)。 61. influence 解析:“影响”的英文为influence,不可数名词,固定搭配have a bad influence on(对……有不良影响)。 62. personal 解析:“个人的”的英文为personal,形容词作定语,修饰photos(照片),句意为“你应该避免在社交媒体上发布个人照片”。 63. opposite 解析:“在……的对面”的英文为opposite,介词,opposite our school(在我们学校对面)。 64. address 解析:“地址”的英文为address,可数名词,根据your name(你的名字),可知用单数形式,write your address(写下你的地址)。 65. wisely 解析:根据音标/ˈwaɪzli/,可知为wisely(明智地),副词修饰动词use(使用),句意为“你应该明智地使用手机”。 66. warn 解析:根据音标/wɔːn/,可知为warn(警告),主语the police(警察)为复数,一般现在时用动词原形,warn sb. not to do sth.(警告某人不要做某事)。 67. require 解析:根据音标/rɪˈkwaɪə/,可知为require(需要;要求),情态动词can后接动词原形,require help from(向……寻求帮助)。 68. to protect 解析:用不定式作目的状语,句意为“我们需要更严格的法律来保护我们的河流”,故填to protect(保护)。 69. careless 解析:根据“so he often loses them”(经常弄丢钥匙),可知“粗心”,care的形容词否定形式为careless(粗心的),be careless with(对……粗心)。 70. behaving 解析:此处为动名词作主语,behavior(行为)的动词形式为behave(表现),动名词为behaving,句意为“记住,网上行为不当是要付出代价的”。 71. cheat 解析:陌生人可能“骗钱”,结合首字母c,填cheat(欺骗),情态动词may后接动词原形,cheat sb. for money(骗取某人的钱)。 72. spread 解析:根据“soon everyone knew it”(很快所有人都知道了),可知“传播消息”,结合首字母s,填spread(传播),一般过去时,spread的过去式为spread。 73. avoid 解析:“酒后驾车很危险,应该避免”,结合首字母a,填avoid(避免),should后接动词原形,avoid doing sth.(避免做某事)。 74. passengers 解析:春节前火车站有很多“乘客”,结合首字母p,填passengers(乘客),a lot of后接可数名词复数。 75. responsibility 解析:“医生的责任是救人”,结合首字母r,填responsibility(责任),不可数名词,作主语。 76. basic 解析:学习英语语法要先学“基础规则”,结合首字母b,填basic(基础的),形容词作定语修饰rules。 77. belt 解析:“皮带”的英文为belt,可数名词,a black belt(一条黑色皮带),作宾语。 78. express 解析:“表达”的英文为express,不定式符号to后接动词原形,express one’s love(表达某人的爱)。 79. put out 解析:“扑灭(火灾)”的固定搭配为put out,不定式符号to后接动词原形,句意为“消防员努力扑灭了购物中心的火”。 80. enemies 解析:“敌人”的英文为enemy,根据they(他们),可知用复数enemies(以y结尾且y前为辅音字母,变y为i加-es)。 81. citizen 解析:“公民”的英文为citizen,可数名词,every后接单数形式,every good citizen(每个好公民)。 82. mentioned 解析:“提到过”表示过去的动作,“提到”的英文为mention,过去式为mentioned,句意为“老师提到过下周我们会有关于校规的考试”。 83. netizen 解析:根据音标/ˈnetɪzən/,可知为netizen(网民),可数名词,a后接单数形式,句意为“一位网民昨天在社区论坛上发布了关于网络安全的实用建议”。 84. suddenly 解析:根据音标/ˈsʌdənli/,可知为suddenly(突然),副词修饰动词stopped(停下)。 85. reply 解析:根据音标/rɪˈplaɪ/,可知为reply(回复),情态动词should后接动词原形,reply to(回复……)。 86. breath 解析:根据音标/breθ/,可知为breath(呼吸),名词,固定搭配take a deep breath(深呼吸)。 87. developed 解析:根据音标/dɪˈveləpt/,可知为developed(发展),现在完成时has + 过去分词,句意为“红色旅游发展迅速,越来越受欢迎”。 88. break 解析:根据音标/breɪk/,可知为break(违反;打破),不定式符号to后接动词原形,break the rules(违反规则)。 89. freeze 解析:根据音标/friːz/,可知为freeze(结冰),情态动词will后接动词原形,句意为“水放进冰箱后很快会结冰”。 90. bright 解析:根据音标/braɪt/,可知为bright(明亮的),形容词作表语,句意为“今晚天上的星星真亮”。 91. completed 解析:根据“after ten years”(十年后),可知为一般过去时,complete(完成)的过去式为completed,句意为“十年后她完成了康复之旅”。 92. shocking 解析:修饰名词the new discovery(事物),用-ing形容词,shock的形容词形式为shocking(令人震惊的),作表语。 93. serve 解析:service(服务)的动词形式为serve(服务),根据“often”(经常),可知为一般现在时,主语volunteers为复数,用动词原形,serve the community(服务社区)。 94. universities 解析:several(几个)后接可数名词复数,university(大学)的复数为universities(以y结尾且y前为辅音字母,变y为i加-es)。 95. payment 解析:不定冠词a后接名词,pay(支付)的名词形式为payment(付款),make a payment(付款)。 96. scared 解析:主语为人(Lisa),用-ed形容词作表语,scare的形容词形式为scared(感到害怕的),句意为“莉萨面对危险时表现出极大的勇气,她一点也不害怕”。 97. historical 解析:修饰名词events(事件),用形容词,history的形容词形式为historical(历史的),historical events(历史事件)。 98. operation 解析:定冠词The后接名词,operate(操作)的名词形式为operation(操作),不可数名词,作主语,句意为“无人机的操作很简单”。 99. shut 解析:“关上门防止冷空气进来”,结合首字母s,填shut(关闭),keep the door shut(让门保持关闭状态),shut为过去分词作宾语补足语。 100. during 解析:“在黄山旅行期间”,结合首字母d,填during(在……期间),介词,后接名词短语her travel in Huangshan。 学科网(北京)股份有限公司 $ 外研版(2024)八年级上册英语期末必考重点单词变形100题 ( Unit 1 - Unit 8) 1.It’s ________ (possible) for you to get good grades if you always play lots of computer games. 2.It is difficult for college students to find an interesting and ________ (satisfy) job. 3.Time is the most ________ thing in our life. (value) 4.She became a ______ (success) doctor after years of hard work. 5.It’s very cold outside. T________, we should wear warm clothes when we go out. 6.The d________ destroyed many houses and killed many people. 7.The supermarket (超市) is always c________ on weekends. 8.She has a great f________ of water. She doesn’t like swimming. 9.The new job requires a lot of t________ and hard work. 10.When it is ready, ________ (覆盖) the turkey with gravy. 11.I’ve finally ________ (意识到) why my grandpa loves drinking tea and collecting tea sets. 12.She enjoys reading ___________ (文献) about ancient China. 13.If we ________ ________ (坚持) practicing speaking every day, our oral English will improve soon. 14.What is the ________ (/ˈdɪfərəns/) between these two English words? 15.We can ________ (/səˈpəʊz/) he will arrive on time because he has never been late for work. 16.Dogs and wolves are different in shape and ________ /'kærɪktə/. 17.I ________ (not see) my friend for a long time. 18.The ________ (live) dog jumped around the yard happily. 19.Of course, it’s just a ________ opinion. (person) 20.Pangdonglai is one of the ________ shopping centers in our city. (large) 21.They reached an ________ (agree) after discussing the problem. 22.She ________ (return) to the garden to play with friends every day. 23.He felt __________ (comfort) when his friend supported him. 24.P_________ we can have a picnic this weekend —let’s wait for the weather report. 25.The path through the mountain was very n________, so we had to walk carefully. 26.A mother’s love is p________. You can never buy it. 27.Many of my r________ came to visit us during the Spring Festival. 28.The ________ (政府) is making laws to stop people from hunting wild animals. 29.I sing loudly ___________ (每当) I take a shower. 30.________ (分成) your weekly pocket money into parts so that you can save some. 31.A trustworthy friend always ________ useful advice to help you with your problem. (提供) 32.Our new ________ (/neibә/) helped us carry the boxes upstairs. 33.He is reading an English ________ ['ɑːtɪkl] on how to improve language skills. 34.He is a ________ /kriˈeɪtɪv/ artist. 35.We should learn from ________ /ˈfeiljə/ and never give up. 36.The ________ /ɪnˈvenʃn/ of the Internet has changed our lives greatly. 37.Doing puzzles is a good way to exercise your ________ /breɪn/. 38.We need to ________ (准备) for the English test. 39.Do you want to ________ (改进) your spoken English? 40.What a lovely time we have _________ the coming holiday! (讨论) 41.The dog ran ___________ (朝;向) me with a ball in its mouth. 42.We should choose food of high ________ (质量) for our health. 43.The old building is at r________ of falling down if we don’t repair it soon. 44.Guide dogs can help b________ people to cross the road safely. 45.The a________ arm helps people who lost their hands. 46.My grandfather used to ________ (watch) TV at home after dinner, but now he is used to ________ (go) out for a walk. 47.Body confidence is about ____________ (accept) our bodies fully and understanding what they can do for us. 48.How busy the farmers are ________ (harvest) the wheat in the fields before the rainy season arrives! 49.We save ______ (electronic) by turning off the lights when we leave a room. 50.On weekends, I enjoy ________ (hang) out with my friends at the park in the nice weather. 51.They plan ________ the Chinese culture to other countries. (introduce) 52.With the ______ of new technology, our school has started using virtual reality to make history lessons more exciting. (develop) 53.He fell off his bike and started to ________ (blood) from his knee. 54.The little bird fell out of its nest and was in great ________ (dangerous). 55.Mr Brown praised his son for his ________ (honest). 56.Please say it again. I didn’t quite hear you because of the ________ (noisy). 57.Everyone e________ Mike is going to play basketball because he doesn’t like it. 58.Make a bit of p________ every day, and success will come to us. 59.Scientists are studying how to r________ air pollution in our city. 60.The new subway line makes it more c_________ to travel across the city. 61.Listening to loud music can have a bad ________ (影响) on your ears. 62.You should avoid positioning ________ (个人的) photos on social media. 63.The bookstore is ________ (在……的对面) our school. 64.Please write your name and ________ (地址) clearly on the envelope. 65.You should use your phone ________ /ˈwaɪzli/—don’t spend too much time on games. 66.The police ________ /wɔːn/ children not to talk to strangers online. 67.You can ________ /rɪˈkwaɪə/ some help from the teacher if you don’t understand the grammar rule. 68.We need stricter laws ____________ (protect) our river. 69.My brother is ________ (care) with his keys, so he often loses them. 70.Remember, ________ (behavior) badly online has costs. 71.Don’t believe strangers easily. They may c________ you for your money. 72.Ted s________ the news around his school and soon everyone knew it. 73.You should a________ driving after drinking. It’s so dangerous. 74.There are a lot of p________ at the train station before the Spring Festival. 75.Doctors’ r_________ is to save lives. 76.If you want to learn English well, it’s a good idea to learn the b________ rules of English grammar at school. 77.He always wears a black ________ (皮带) to match his shoes. 78.I made a card for my father to ______ (表达) my love on Father’s Day. 79.The fireman worked hard to ________ the fire in the shopping center. (扑灭) 80.They used to be good friends, but now they become ________ (敌人) because of a misunderstanding. 81.Every good ________ (公民) should follow public rules to keep society in order. 82.The teacher ________ (提到过) that we would have a test about school rules next week. 83.A ________ /ˈnetɪzən/ posted a helpful tip about online safety on the community forum yesterday. 84.A car ________ /ˈsʌdənli/ stopped in front of me, and I almost hit it. 85.You should ________ /rɪˈplaɪ/ to the teacher’s email before this Friday, or you’ll miss the chance. 86.When you feel nervous, take a deep ________ /breθ/ and you’ll calm down soon. 87.Red tourism has ________ /dɪˈveləpt/ quickly and it’s becoming more and more popular. 88.In our class, every student needs to follow the class rules. The teacher often tells us not to /breɪk/ ________ them. 89.Water will /friːz/ __________ soon after it is put in the fridge. 90.Look at the stars in the sky. They are so _______ /braɪt/ tonight. 91.She __________ (complete) her journey of recovery after ten years. 92.Have you heard about the new discovery? It’s really ________ (shock). 93.Volunteers often ______ (service) the community by helping old people. 94.There are several famous ________ in the city. (university) 95.You can make a ________ (pay) in any bank. 96.Lisa showed great courage when she faced the danger. She was not ________ (scare) at all. 97.My father likes to read books about ________ (history) events. 98.The __________ (operate) of the drone is simple. 99.Please keep the door s________ so that the cold air won’t come in. 100.Jo had her first taste of Anhui cuisine (Huicai) d________ her travel in Huangshan. 学科网(北京)股份有限公司 $

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