月考复习之高分必刷·易错易混强化训练80题（Units 4-5）- 2025-2026学年外研版八年级下册英语

外研版（2024）八年级下册第三次月考（Units 4-5） 易错易混必刷80题 学校：______________ 班级：______________ 姓名：______________ （考试时间：60分钟 总分：100分） 一、单项选择（共30小题；每小题1分，满分30分） 从每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 ( )1．We should try our best to protect the ________ because it’s our home. A．environment B．competition C．communication D．development ( )2．My cousin hasn’t decided ________ to join the school football team. ________ he joins, I will go to cheer for him. A．if; If B．if; Whether C．whether; Whether D．whether; If ( )3．________ athlete was not only a great runner but also ________ excellent leader. A．The; a B．An; a C．The; an D．An; the ( )4．Although the old man was badly hurt, he was still _______ when the doctors arrived. A．living B．alive C．lively D．live ( )5．He was so tired that he could ______ walk any further. A．almost B．always C．hardly D．often ( )6．Nature provides us with ______ wonders, and we should protect it well. A．hopeless B．endless C．careless D．useless ( )7．I knocked on the door, but ______ answered. Is there ______ in the room? A．somebody; anybody B．nobody; anybody C．anybody; somebody D．nobody; somebody ( )8．The blue skirt looks very pretty on you. Why don’t you ________? A．try on them B．try on it C．try them on D．try it on ( )9．Does this blue schoolbag ______ the girl in a red skirt? A．believe in B．depend on C．belong to D．look for ( )10．The doctor told the patient to ________ with the treatment (治疗) to get better. A．carry on B．carry out C．carry off D．carry away ( )11．She ________ her grandmother when her parents were out. A．looked for B．looked after C．looked at D．looked up ( )12．He helped me ________ the difficult problem. A．work out B．take out C．look out D．put out ( )13．Many people came to the old people’s homes to________ the old people and make them happy. A．look up B．look after C．look for D．look at ( )14．They finally made the news _________, so everyone knows about it now. A．boring B．private C．strange D．public ( )15．Don’t be shy when you speak English _________． A．in silence B．in public C．in trouble D．in fact ( )16．People may get into traffic accidents _________ breaking the traffic rules. A．because of B．instead of C．as for D．thanks to ( )17．_________ beautiful song! Could you tell me the singer’s name? A．What a B．How C．What D．How a ( )18．—________ I borrow this storybook from the library? —Yes, you may. But you ________ return it in two weeks. A．Can; can’t B．May; must C．Must; may D．May; can ( )19．We should ________ the good traditions to the next generation. A．pass away B．pass by C．pass on D．pass out ( )20．The volunteer group provides food and clothes for the ________ people in the city. A．homeless B．hopeless C．careless D．useless ( )21．Although the task is difficult, it is ________ impossible for us to finish it on time. A．by the way B．by no means C．by accident D．by hand ( )22．Crayons ________ carry viruses, so they ________ be reused in the hospital. A．may; can’t B．must; may C．can; must D．might; mustn’t ( )23．The hospital can’t ________ new toys for every sick kid. A．spend B．pay C．afford D．cost ( )24．We should help each other to ________ hard times. A．get through B．get off C．get up D．get to ( )25．He worked so ________ that he ________ noticed the time passing by. A．hard; hard B．hard; hardly C．hardly; hard D．hardly; hardly ( )26．We did lots of research ________ learn more about the habits of pandas. A．in order to B．in order that C．so that D．such that ( )27．________ the kind doctor and nurses in the hospital, the old man became better soon. A．Instead of B．Thanks to C．Compared to D．Except for ( )28．—Could you tell me ________ the meeting ________ tomorrow morning? —I need to make a schedule. A．if; will start B．that; starts C．when; start D．where; will starts ( )29．—________ do you visit the children’s hospital? —Once a month. A．How long B．How often C．How far D．How much ( )30．People in our neighborhood ________ many old clothes ________ the poor children last week. A．donated; to B．provided; with C．gave; away D．bought; for 二、 语法填空（共10小题；每小题1分，满分10分） 阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 For years, there has been an 1．  (argue) among scientists about whether Mars once had oceans. Many guessed it might be true, but there were no strong facts 2．  (prove) it—until recent space missions changed everything. Space research helps us 3．  (unlock) the secrets of unknown worlds, and Mars is a perfect example. China’s Zhurong rover used ground-penetrating radar (探地雷达) to study the planet’s subsurface. The data 4．  (show) that there are layered sediment structures (层状沉积物结构) 10 to 35 metres underground, which are very similar to coastal deposits on Earth. This 5．  (find) raises powerful proof that Mars had a large ancient ocean billions of years ago. Beyond our solar system, scientists have found 6．  (thousand) of exoplanets (系外行星). Some, like Kepler-22b, orbit in the habitable zone (宜居地带) of their stars, where liquid water might exist. These 7．  (discover) don’t just answer old questions—they also make us wonder more about the universe. Space 8．  (explore) is never easy, but every new finding 9．  (remind) us how much there is to learn. As we keep looking up, we will surely know more mysteries of the unknown and gain a deeper 10．  (understand) of our place in the universe. 三、选词填空（共10小题；每小题2分，满分20分） 阅读下面短文，从方框中选择适当的单词或短语，并用其正确形式填空。每个单词或短语限用一次。 ill;   she;   use;   disappoint;   painful;   virus;   ask;   new;   conversation;   treat “Excuse me, may I have a purple crayon, please?” five-year-old Leah 1． a nurse. “I want to colour the butterfly.” “Sorry, but I can’t find one,” said the nurse. “I’m afraid you’ll have to draw a grey butterfly.” This 2．  happened in a waiting room at Sunshine Hospital. The hospital provided colouring books for young patients but didn’t offer enough crayons. Crayons may carry 3．  and spread diseases. They can only be 4．  once. The hospital had many new patients every day. It just couldn’t afford 5．  crayons for every child. Leah was born with a serious disease, and she made many hospital visits. A lot of time she’s in great 6． . But colouring has helped her get through it. Leah didn’t want other young patients to feel her 7． . It can be boring to wait for X-rays and 8． . She wants them to feel good. She planned to buy 500 boxes of crayons for the hospital. But her pocket money was only enough for about 40 boxes. Because of her 9． , she couldn’t do chores for money, either. But she didn’t give up. With the help of 10．  family and friends, she held many activities to raise money. She’s added colour to this hospital. The waiting rooms are now filled with happier kids and brighter pictures! 四、完形填空（共两篇，每篇10小题；每小题1分，满分20分） 阅读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中，选出最佳选项。 A篇 Have you ever seen a group of wild geese (大雁) flying south for the winter? On an autumn day, my mother and I took a walk by the lake. As we looked at the         1        , a group of wild geese suddenly appeared. They headed south for the winter in the         2         of a “V”. I was caught by the surprising sight. My mother         3         the animal migration (迁徙) to me. One of the most surprising examples is the gray whales which have the         4         yearly trip, covering almost 20,000 kilometers. These whales         5         landmarks near the sea to move to the north or south. When migrating south in winter, they keep the beach on their left. When migrating north in spring, they keep the coast on their         6        . What’s more, my mother explained that the migration of birds         7         the Earth’s magnetic field (磁场). These birds know how to use the magnetic field to         8         when the sun or stars are covered by clouds. Learning about animal migration makes me realize         9         magical the natural world is. We should never stop exploring and questioning,         10         there is always something new to discover. The natural world is full of wonders, and we should do our best to enjoy and protect it. ( )1．A．lake B．forest C．sky D．ground ( )2．A．circle B．length C．size D．shape ( )3．A．explained B．suggested C．taught D．compared ( )4．A．darkest B．hardest C．longest D．nearest ( )5．A．like B．use C．protect D．trust ( )6．A．left B．right C．front D．back ( )7．A．lives on B．feeds on C．works on D．depends on ( )8．A．rest B．wait C．move D．hide ( )9．A．what B．how C．why D．when ( )10．A．because B．if C．until D．though B篇 Lily is my classmate. She used to be a lively girl. She always wore a smile on her face. And everyone liked Lily in our class, but recently, her smile         1        . She always looked tired and sad and often missed school. Our teacher         2         quietly that Lily’s mother had a serious illness. The medicine for treating this illness was expensive. Lily’s family couldn’t         3         it all. This worried us very much. We must do something for her. One afternoon, Sarah had an idea. “What if we help? We could use our         4         money to help Lily!” she suggested. It felt like the perfect         5        . We all agreed. For the next week, instead of buying snacks, we saved. Money was put into a         6         box, Lily’s favourite colour. There was 5,680 yuan in the purple box.         7        , we visited Lily at home. “This is from all of us,” Sarah said, giving her the purple box         8         with money. “For the cost of your mother’s         9        .” Lily couldn’t speak and just hugged (拥抱) us. Lily returned to school and her         10         appeared again. We learned that even small savings, pooled together, can lift a heavy burden. Helping Lily felt better than any treat pocket money could buy. ( )1．A．disappeared B．failed C．provided D．allowed ( )2．A．promised B．mentioned C．advised D．warned ( )3．A．reach B．shout C．return D．afford ( )4．A．class B．pocket C．machine D．factory ( )5．A．solution B．problem C．trouble D．sunshine ( )6．A．green B．red C．purple D．yellow ( )7．A．Suddenly B．Differently C．Nervously D．Widely ( )8．A．filled B．excused C．worried D．shared ( )9．A．effort B．treatment C．teamwork D．interview ( )10．A．hobby B．height C．dream D．smile 五、句型转换（共10小题；每小题2分，满分20分） 根据括号内的要求完成下列句子，每空一词（缩写算一词）。 1．This red handbag must belong to Carla. (对画线部分提问) ________ ________ this red handbag belong to? 2．They might go to the park this weekend. (改为一般疑问句并作否定回答) —________ they ________ to the park this weekend? —No, they ________. 3．“May I have a crayon?” The girl asked the nurse. (改为间接引语) The girl asked the nurse ________ she ________ have a crayon. 4．He is kind. He helps me. (合并) It’s kind ________ ________ ________ ________ me. 5．We should do something to help others.（否定句） We ________ do ________ to help others. 6．This park is beautiful. That park is more beautiful. (合并) That park is ________ ________ ________ this park. 7．You mustn’t catch butterflies.（同义句） ________ ________ butterflies. 8．I was watching insects. My friend was taking photos. (用while合并) ________ I ________ ________ insects, my friend ________ ________ photos. 9．He spent two hours watching birds. (同义句) It ________ him two hours ________ ________ birds. 10．I decided to study plants.（对划线提问） ________ ________ you decide ________ ________? ( 第 1 页 共 2 页 ) 学科网（北京）股份有限公司 $ 答案解析 一、单项选择（共30小题） 1. 答案：A。解析：environment（环境），保护环境是家园；B.competition竞争，C.communication交流，D.development发展，均不符，故选A。 2. 答案：D。解析：第一空whether（是否），与不定式连用；第二空If（如果）引导条件状语从句，whether不能引导条件句，故选D。 3. 答案：C。解析：第一空The（特指这位运动员）；第二空excellent元音开头，用an，故选C。 4. 答案：B。解析：alive（活着的，表状态）；A.living现存的，C.lively活泼的，D.live现场的，均不符，故选B。 5. 答案：C。解析：hardly（几乎不），累得走不动；A.almost几乎，B.always总是，D.often经常，均不符，故选C。 6. 答案：B。解析：endless（无尽的），自然有无尽奇观；A.hopeless无望的，C.careless粗心的，D.useless无用的，均不符，故选B。 7. 答案：B。解析：nobody（没人），没人回应；anybody（任何人），疑问句用anybody，故选B。 8. 答案：D。解析：try on（试穿），代词it放中间，指代单数skirt，故选D。 9. 答案：C。解析：belong to（属于）；A.believe in信任，B.depend on依靠，D.look for寻找，均不符，故选C。 10. 答案：A。解析：carry on（继续），继续治疗；B.carry out执行，C.carry off夺走，D.carry away带走，均不符，故选A。 11. 答案：B。解析：look after（照顾）；A.look for寻找，C.look at看，D.look up查阅，均不符，故选B。 12. 答案：A。解析：work out（解决）；B.take out取出，C.look out小心，D.put out扑灭，均不符，故选A。 13. 答案：B。解析：look after（照顾老人）；A.look up查阅，C.look for寻找，D.look at看，均不符，故选B。 14. 答案：D。解析：public（公开的），消息公开；A.boring无聊的，B.private私人的，C.strange奇怪的，均不符，故选D。 15. 答案：B。解析：in public（公开地）；A.in silence沉默，C.in trouble困境，D.in fact事实上，均不符，故选B。 16. 答案：A。解析：because of（因为）后接名词短语；B.instead of代替，C.as for至于，D.thanks to多亏，均不符，故选A。 17. 答案：A。解析：what a+形容词+可数名词单数，感叹句结构，song可数，故选A。 18. 答案：B。解析：May（可以）请求许可；must（必须）表规定，两周内归还，故选B。 19. 答案：C。解析：pass on（传递）；A.pass away去世，B.pass by路过，D.pass out昏倒，均不符，故选C。 20. 答案：A。解析：homeless（无家可归的）；B.hopeless无望的，C.careless粗心的，D.useless无用的，均不符，故选A。 21. 答案：B。解析：by no means（绝不），任务难但绝非不可能；A.by the way顺便，C.by accident偶然，D.by hand手工，均不符，故选B。 22. 答案：D。解析：might（可能）表推测；mustn’t（禁止），医院禁止重复使用，故选D。 23. 答案：C。解析：afford（负担得起）；A.spend花费（人），B.pay支付，D.cost花费（物），均不符，故选C。 24. 答案：A。解析：get through（度过）；B.get off下车，C.get up起床，D.get to到达，均不符，故选A。 25. 答案：B。解析：work hard（努力）；hardly（几乎不），没注意时间，故选B。 26. 答案：A。解析：in order to（为了）后接动词原形；B/C后接从句，D结构错误，故选A。 27. 答案：B。解析：thanks to（多亏）；A.instead of代替，C.compared to相比，D.except for除了，均不符，故选B。 28. 答案：A。解析：宾语从句用陈述语序，if（是否），tomorrow用一般将来时，故选A。 29. 答案：B。解析：how often（多久一次）问频率；A.how long时长，C.how far距离，D.how much数量/价格，均不符，故选B。 30. 答案：A。解析：donate...to...（捐赠给）；B.provide...with提供，C.give away赠送（无to），D.buy...for买给，均不符，故选A。 二、语法填空（共10小题） 1. 答案：argument。解析：an后接名词，argue动词→argument名词（争论）。 2. 答案：to prove。解析：不定式作后置定语，facts to prove（证明的事实）。 3. 答案：unlock。解析：help sb. (to) do sth.，填unlock（解开）。 4. 答案：showed。解析：描述过去研究，用一般过去时show→showed。 5. 答案：finding。解析：this后接名词，find动词→finding名词（发现）。 6. 答案：thousands。解析：thousands of（成千上万），固定搭配。 7. 答案：discoveries。解析：these后接复数名词，discover→discoveries（发现）。 8. 答案：exploration。解析：space后接名词，explore→exploration（探索）。 9. 答案：reminds。解析：every new finding单数，一般现在时，reminds（提醒）。 10. 答案：understanding。解析：a后接名词，understand→understanding（理解）。 三、选词填空（共10小题） 1. 答案：asked。解析：五岁女孩问护士，过去时，ask→asked。 2. 答案：conversation。解析：这次对话，填conversation（对话）。 3. 答案：viruses。解析：蜡笔携带病毒，virus复数viruses。 4. 答案：used。解析：被动语态be used（被使用）。 5. 答案：new。解析：买不起新蜡笔，填new（新的）。 6. 答案：pain。解析：in great pain（剧痛），填pain（痛苦）。 7. 答案：disappointment。解析：不想别人感受她的失望，disappoint→disappointment。 8. 答案：treatments。解析：X光和治疗，treat→treatments（治疗，复数）。 9. 答案：illness。解析：因为生病不能做家务，ill→illness（疾病）。 10. 答案：her。解析：她的家人，形容词性物主代词her。 四、完形填空 A篇（10小题） 1. 答案：C。解析：大雁在天空飞，sky（天空）；A.lake湖，B.forest森林，D.ground地面，均不符，故选C。 2. 答案：D。解析：in the shape of（呈……形状），V字形；A.circle圈，B.length长度，C.size尺寸，均不符，故选D。 3. 答案：A。解析：explain sth. to sb.（向某人解释）；B.suggest建议，C.teach教，D.compare对比，均不符，故选A。 4. 答案：C。解析：最长的年度迁徙，longest（最长的）；A.darkest最黑的，B.hardest最难的，D.nearest最近的，均不符，故选C。 5. 答案：B。解析：use landmarks（利用地标）；A.like喜欢，C.protect保护，D.trust信任，均不符，故选B。 6. 答案：B。解析：冬天左海岸，春天右海岸，right（右边）；A.left左边，C.front前面，D.back后面，均不符，故选B。 7. 答案：D。解析：depend on（依靠）地球磁场；A.live on靠……为生，B.feed on以……为食，C.work on从事，均不符，故选D。 8. 答案：C。解析：use磁场移动，move（移动）；A.rest休息，B.wait等待，D.hide隐藏，均不符，故选C。 9. 答案：B。解析：how+形容词，感叹句，magical神奇的，故选B。 10. 答案：A。解析：because（因为）表原因；B.if如果，C.until直到，D.though虽然，均不符，故选A。 B篇（10小题） 1. 答案：A。解析：笑容消失，disappeared（消失）；B.failed失败，C.provided提供，D.allowed允许，均不符，故选A。 2. 答案：B。解析：老师悄悄提及，mentioned（提及）；A.promised承诺，C.advised建议，D.warned警告，均不符，故选B。 3. 答案：D。解析：负担不起药费，afford（负担）；A.reach到达，B.shout大喊，C.return返回，均不符，故选D。 4. 答案：B。解析：零花钱，pocket money；A.class班级，C.machine机器，D.factory工厂，均不符，故选B。 5. 答案：A。解析：完美解决办法，solution（解决）；B.problem问题，C.trouble麻烦，D.sunshine阳光，均不符，故选A。 6. 答案：C。解析：紫色盒子，后文提到Lily最喜欢紫色；A.green绿，B.red红，D.yellow黄，均不符，故选C。 7. 答案：A。解析：突然去看望，Suddenly（突然）；B.Differently不同地，C.Nervously紧张地，D.Widely广泛地，均不符，故选A。 8. 答案：A。解析：filled with（装满）；B.excused原谅，C.worried担心，D.shared分享，均不符，故选A。 9. 答案：B。解析：妈妈的治疗费，treatment（治疗）；A.effort努力，C.teamwork合作，D.interview采访，均不符，故选B。 10. 答案：D。解析：笑容重现，smile（笑容）；A.hobby爱好，B.height身高，C.dream梦想，均不符，故选D。 五、句型转换（共10小题） 1. 答案：Who must。解析：对人提问用who，must提前，故填Who must。 2. 答案：Might；go；mightn’t。解析：might一般疑问句提前，否定mightn’t，故填Might；go；mightn’t。 3. 答案：if/whether；might。解析：间接引语用if/whether，may变might，故填if/whether；might。 4. 答案：of him to help。解析：It’s kind of sb. to do sth.，故填of him to help。 5. 答案：shouldn’t；anything。解析：否定句something变anything，should变shouldn’t，故填shouldn’t；anything。 6. 答案：more beautiful than。解析：比较级more beautiful，than连接，故填more beautiful than。 7. 答案：Don’t catch。解析：祈使句否定Don’t+动词原形，故填Don’t catch。 8. 答案：While；was watching；was taking。解析：while连接过去进行时，故填While；was watching；was taking。 9. 答案：took；to watch。解析：It took sb. time to do sth.，故填took；to watch。 10. 答案：What did；to study。解析：对动作提问what，过去时did，decide to do，故填What did；to study。 学科网（北京）股份有限公司 $