第三次月考之综合单词拼写100题（重点单词全掌握）2025-2026学年外研版英语八年级下册易错重难点考前特训

**基本信息** 聚焦外研版八年级下册Units 4-5重点词汇，通过100道填空题强化易错拼写及词形转换，提升语言应用与词汇记忆能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |中文提示拼写|30题（如“生存”“农村”）|根据中文释义填写单词|核心词汇语境化应用，强化词义与拼写关联| |首字母提示拼写|20题（如k__→kindness）|补全首字母完成单词|考查词汇联想与拼写准确性，覆盖高频易错词| |词形变化填空|50题（如tell→telling）|动词、名词等词性转换|遵循语法规则（如介词后接动名词），构建词形变化逻辑链|

考前特训 重点词汇拼写—易错特训100题（外研版） 八年级下册(Units 4-5) 考前复习之重点单词全掌握 班级 姓名 学号 分数 （时间：45分钟；每小题1分，满分：100分） 填空题：根据题目所给提示使用单词的正确形式完成下列句子 1．Basic skills like finding food are key to ___________ (生存) in the wild. 2．Many people go to the ___________ (农村) to relax. 3．Thank you for your k___________. 4．It’s i___________ to learn teamwork. 5．They are p___________ for the volunteer work. 6．Check the ___________ (日历) to see if the meeting is on Monday. 7．Thanks to the Karez system, people can use ___________ (地下的) water to grow plants for food. 8．She decided ___________ (write) a report about nature. 9．I saw her ___________ (draw) plants when I came in. 10．A new study shows that this kind of cat is a completely new ___________ (物种). 11．We should ___________ (分享) with each other. 12．Don’t be ___________ (粗心的). 13．Take an ___________ (积极的) part in activities. 14．He saved all his ___________ (口袋) money to help sick kids. 15．The family has paid a lot for the house, so they can’t ___________ (买得起) such an expensive car. 16．With the help of the local government, the girl has already recovered from her ___________ (疾病). 17．Facing ___________ (弱点) bravely is the first step to success. 18．It’s a good way to ___________ (帮忙) with housework. 19．Would you please help me carry the ___________ (梯子) upstairs? 20．We need a practical ___________ (解决方法) to the problem. 21．I’m worried about the safety of the ____________ (治疗、诊治) due to some uncertainties. 22．The charity event was held in a spirit of international ____________ (好意). 23．After high school, Tim plans to study engineering at a ____________ (学院). 24．Mike’s brother serves in the army and is a brave ___________ (士兵). 25．He is ___________ (强壮的) and healthy. 26．We have growing ___________ (痛苦) and gains. 27．We learn the ___________ (重要性) of teamwork. 28．___________ (成长) brings pains and gains. 29．The ___________ (发展) of our class is rapid. 30．We must ___________ (信任) our teammates. 31．Good c___________ helps us understand each other. 32．S___________ is believing. 33．He went ___________ (疯狂的) after losing his job and started shouting. 34．Everyone has a happy ___________ (童年) filled with sweet memories. 35．To make that ___________ (论点) stronger, the writer adds some facts and examples. 36．We should be p___________ with each other. 37．We must act q___________ when we help others. 38．They v___________ to clean the park last week. 39．He is a___________ to work with others. 40．Working together brings us s___________. 41．We should o___________ activities to help others. 42．We should t___________ each other in a team. 43．We should r___________ each other’s ideas. 44．Henry caught a v___________ and had to stay in bed for a week. 45．My grandmother’s smile is like warm s___________ on a cold day. 46．What does this English word m___________? I can’t understand it. 47．We should o___________ some activities to help the elderly. 48．She has a lot of e___________ in volunteering. 49．The river is p___________ by the waste from the factory. 50．Children are c___________ about everything around them. 51．D___________ fossils with feathers changed our understanding of ancient animals. 52．Scientists work hard to protect endangered s___________. 53．Jim’s family is known for their great w___________, but they still live a simple life. 54．China is a large c___________ with a long history and rich culture. 55．The first Nobel Prize was presented to a scientist from Germany for the d___________ of X-rays. 56． Everyone’s progress depends on how much e___________ that you’ve made. 57．Teamwork is required in order to a___________ these aims. 58．He is so nervous that he can h___________ solve the maths problem. 59．I hold a strong b___________ that I will achieve my dream by working hard. 60．Before washing, check and c___________ your pockets in order to make sure there's nothing left. 61．Thanks for ___________ (tell) about your school life. 62．The ___________ (believe) that dinosaurs could fly has been proved by new research. 63．The Greens travelled to the forest ___________ (explore) the natural world. 64．The young Chinese scientist has won several important ___________ (prize) in the field of medicine. 65．He says that he ___________ (like) playing basketball. 66．____________ (accord) to the report, the environment of this area has improved a lot. 67．This is a ___________ (history) story that tells us about the life of ancient people. 68．I have ___________ (full) understood the problem, and I can solve it in ten minutes. 69．The ___________ (find) of the students’ sleeping time were published today. 70．Our son has problems with his reading and ___________ (write) at school. 71．The invention of the steam engine was inspired by the _________ (boil) water and the hot steam. 72．Let’s explore nature! It presents us with ___________ (end) wonders and secrets. 73．The number of birds in the park ___________ (be) getting smaller and smaller. 74．We can live a ___________ (green) life by using less energy. 75．The little girl was ___________ (surprise) to see a snake in the grass. 76．The park will be ___________ (beautiful) than before. 77．It’s helpful for us ___________ (do) some research on plants. 78．We must save ___________ (能源) and protect our living environment. 79．Amber is a window into the past, and a key to ___________ (解锁) many secrets of nature. 80．This river is much ___________ (clean) than before. 81．You mustn’t ___________ (walk) on the grass in the park. 82．We should stop ___________ (pollute) the natural home of animals. 83．We should avoid ___________ (hurt) small animals. 84．We must do something ___________ (save) the endangered insects. 85．While my father ___________ (read), my mother was cooking. 86．It’s important ___________ (know) more about living things. 87．It’s wrong ___________ (catch) butterflies for fun. 88．It’s exciting for us ___________ (explore) the forest. 89．The world is getting ___________ (crowded) these years. 90．We must ___________ (keep) quiet when we watch animals. 91．You need ___________ (wear) sunglasses in the sun. 92．___________ (lucky), the government has built more nature reserves for them to live in. 93．Do you have a ___________ (solve) to the maths question? 94．If you’re not sure about the answer, you can ask your teacher ___________ (direct). 95．To his ___________ (disappoint), the harvest of crops this year is not as good as last year. 96．The news says that the ___________ (home) people in the war have got help from all over the world. 97．After this ___________(treat), the boy felt much better than before. 98．Everyone can feel the ___________ (warm) of the helping hands from the volunteers. 99．Teaching kids with special needs sounds like a ___________ (challenge) job. 100．When he was still a young boy, he was already very clever and ___________ (imagine). 4 / 4乐思英语 学科网（北京）股份有限公司 $考前特训 重点词汇拼写—易错特训100题（外研版） 八年级下册(Units 4-5) 考前复习之重点单词全掌握 班级 姓名 学号 分数 （时间：45分钟；每小题1分，满分：100分） 填空题：根据题目所给提示使用单词的正确形式完成下列句子 1．Basic skills like finding food are key to ________ (生存) in the wild. 【答案】surviving 【详解】句意：像寻找食物这样的基本技能是在野外生存的关键。根据“key to”提示，to为介词，后接动名词作宾语，the key to doing sth.“做某事的关键”。“生存”为动词survive，其动名词形式是surviving。 2．Many people go to the ________ (农村) to relax. 【答案】countryside 【详解】句意：很多人去农村放松身心。 括号中文提示为“农村”，英语里表示该含义、搭配go to the的常用固定名词为countryside，构成固定搭配go to the countryside意为“去乡下/农村”。故填countryside。 3．Thank you for your k________. 【答案】kindness/indness 【详解】句意：谢谢你的好意。根据首字母提示和“Thank you”可知，此处表示感谢你的好意，空格处需填名词kindness。 4．It’s i________ to learn teamwork. 【答案】important/mportant 【详解】句意：学习团队合作很重要。根据句意和首字母i提示，important意为“重要的”。 5．They are p________ for the volunteer work. 【答案】preparing/reparing 【详解】句意：他们正在为志愿工作做准备。根据首字母提示和“for the volunteer work”可知，此处表示为志愿工作做准备，prepare“为……做好准备”，动词。句中prepare前面有be动词are,提示时态是现在进行时，动词用现在分词。故填preparing。 6．Check the ________ (日历) to see if the meeting is on Monday. 【答案】calendar 【详解】句意：查看日历以确认会议是否在周一。根据“the”及“to see if the meeting is on Monday”提示，“日历”为名词calendar，the表特指双方都知道的那一本日历，calendar用单数形式，作宾语。 7．Thanks to the Karez system, people can use ________ (地下的) water to grow plants for food. 【答案】underground 【详解】句意：多亏了坎儿井系统，人们可以利用地下水种植粮食作物。underground表示“地下的”，形容词作定语。 8．She decided ________ (write) a report about nature. 【答案】to write 【详解】句意：她决定写一篇关于自然的报告。decide to do sth.“决定做某事”是固定搭配，此处需用动词不定式to write。 9．I saw her ________ (draw) plants when I came in. 【答案】drawing 【详解】句意：我进来时看见她正在画植物。draw意为“画”，是动词。根据“when I came in”可知，此处表示一个瞬间的动作，强调“进来的那一刻，她正在画植物”，因此用see sb doing sth结构，draw的现在分词是drawing。 10．A new study shows that this kind of cat is a completely new ________ (物种). 【答案】species 【详解】句意：一项新研究表明，这种猫是一个全新的物种。括号内中文“物种”对应的英文单词是species，前面有不定冠词a，用单数形式即可，符合句子语法和语义。 11．We should ________ (分享) with each other. 【答案】share 【详解】句意：我们应该彼此分享。此处需要动词原形，“分享”对应的英文动词是“share”，符合“should+动词原形”的结构，应填share。 12．Don’t be ________ (粗心的). 【答案】careless 【详解】句意：别粗心。根据中文提示可知，“粗心的”对应的英文是careless，是形容词，此处作表语，故填careless。 13．Take an ________ (积极的) part in activities. 【答案】active 【详解】句意：积极参加活动。中文提示“积极的”对应的英文单词是active，是固定搭配take an active part in，意为“积极参加……”，其中active是形容词，修饰名词part，语法和搭配都正确。 14．He saved all his ________ (口袋) money to help sick kids. 【答案】pocket 【详解】句意：他把零用钱都存起来帮助生病的孩子。“口袋”对应的英文是pocket，固定搭配pocket money表示“零花钱”。 15．The family has paid a lot for the house, so they can’t ________ (买得起) such an expensive car. 【答案】afford 【详解】句意：这个家庭为房子已经花了很多钱，所以他们买不起这么贵的汽车。中文“买得起”提示单词是afford，情态动词can’t后用动词原形。 16．With the help of the local government, the girl has already recovered from her ________ (疾病). 【答案】 illness/illnesses/disease/diseases 【详解】句意：在当地政府的帮助下，这个女孩已经从她的疾病中康复了。根据“her”提示，需填名词作介词from的宾语。“疾病”为名词illness或disease，此处可用单数形式illness/disease表示一种疾病，也可用复数形式illnesses/diseases表示多种疾病或泛指健康问题。 17．Facing ________ (弱点) bravely is the first step to success. 【答案】weaknesses 【详解】句意：勇敢地面对弱点是成功的第一步。“弱点”对应的英文单词是weakness，此处表示泛指的弱点，应用复数形式weaknesses。 18．It’s a good way to ________ (帮忙) with housework. 【答案】help out 【详解】句意：这是帮忙做家务的好方法。“帮忙”的常用表达为help out，空前“It’s a good way to”提示此处应用动词原形。故填help out。 19．Would you please help me carry the ________ (梯子) upstairs? 【答案】ladder 【详解】句意：你能帮我把梯子搬到楼上吗？根据中文提示可知，“梯子”对应的英文是ladder，是可数名词，此处作carry的宾语。the表示特指某一个梯子，所以填单数名词。 20．We need a practical ________ (解决方法) to the problem. 【答案】solution 【详解】句意：我们需要一个解决这个问题的实用方法。 空格前有不定冠词a和形容词practical修饰，需填入可数名词单数，“解决方法”对应的英文单词是solution，且固定搭配solution to the problem表示“问题的解决方法”。 21．I’m worried about the safety of the _________ (治疗、诊治) due to some uncertainties. 【答案】treatment 【详解】句意：由于一些不确定因素，我担心这次治疗的安全性。句中the为定冠词，后接名词作介词of的宾语，结合中文提示“治疗，诊治”，故填treatment。 22．The charity event was held in a spirit of international _________ (好意). 【答案】goodwill 【详解】句意：这场慈善活动是本着国际友好的精神举行的。根据汉语提示可知，goodwill“好意”，名词，符合题意。 23．After high school, Tim plans to study engineering at a _________ (学院). 【答案】college 【详解】句意：高中毕业后，蒂姆计划在一所学院学习工程学。根据中文提示“学院”以及句中不定冠词a可知，这里需要用可数名词的单数形式，“college（学院）”符合语境及语法要求。 24．Mike’s brother serves in the army and is a brave ________ (士兵). 【答案】soldier 【详解】句意：迈克的哥哥在军队服役，是一名勇敢的士兵。“士兵”的英文是soldier，前面有不定冠词a，所以用单数形式。 25．He is ________ (强壮的) and healthy. 【答案】strong 【详解】句意：他强壮又健康。这里需要一个形容词来描述“他”的状态。结合括号内提示“强壮的”，对应的英文形容词是strong。 26．We have growing ________ (痛苦) and gains. 【答案】pains 【详解】句意：我们有着成长的痛苦与收获。pain表示“痛苦”，grow pains and gains固定结构，表示“成长的痛苦与收获”。 27．We learn the ________ (重要性) of teamwork. 【答案】importance 【详解】句意：我们学习团队合作的重要性。根据中文提示可知，“重要性”对应的英文是importance，是不可数名词，此处作learn的宾语。 28．________ (成长) brings pains and gains. 【答案】Growing 【详解】句意：成长既带来痛苦也带来收获。此处需要动名词作主语，“成长”对应的英文动名词形式是“Growing”，在句中作主语，符合语境，应填Growing。 29．The ________ (发展) of our class is rapid. 【答案】development 【详解】句意：我们班的发展很快。结合“The”以及“of”可知，空处需用名词，作主语，“发展”的名词为development，结合谓语动词“is”，需用名词单数development。 30．We must ________ (信任) our teammates. 【答案】trust 【详解】句意：我们必须信任我们的队友。根据情态动词must提示，后接动词原形。“信任”为动词trust。 31．Good c________ helps us understand each other. 【答案】communication/ommunication 【详解】句意：良好的沟通有助于我们相互理解。结合首字母“c”以及常识可知，这里需要的是“沟通”的意思，且此处需要一个名词作主语，communication是不可数名词“沟通”，所以横线处应填communication。 32．S________ is believing. 【答案】Seeing/eeing 【详解】句意：眼见为实。根据“is believing”提示，需填动名词短语作主语。“see”的动名词形式是seeing，位于句首首字母大写。Seeing is believing为英文谚语。 33．He went ________ (疯狂的) after losing his job and started shouting. 【答案】crazy 【详解】句意：他失业后变得疯狂，开始大喊大叫。固定搭配go+形容词，表示“变得……”，用来描述人状态的变化；“疯狂的”对应的英文单词是crazy，形容词词性，符合此结构用法，因此填crazy。 34．Everyone has a happy ________ (童年) filled with sweet memories. 【答案】childhood 【详解】句意：每个人都有一个充满甜蜜回忆的快乐童年。原句中文提示词为“童年”，对应的英文单词为childhood。句中不定冠词“a”表明此处需要用可数名词单数形式，故填childhood。 35．To make that ________ (论点) stronger, the writer adds some facts and examples. 【答案】argument 【详解】句意：为了让这个论点更有说服力，作者补充了一些事实和例子。指示代词that后需要接单数可数名词，中文释义“论点”对应的标准英文单词为argument。 36．We should be p________ with each other. 【答案】patient/atient 【详解】句意：我们应该对彼此耐心。根据句意和首字母p提示，patient“耐心的”符合语境，be patient with sb.“对某人有耐心”。 37．We must act q________ when we help others. 【答案】quickly/uickly 【详解】句意：我们在帮助别人时必须行动迅速。根据首字母提示和“when we help others”可知，此处表示帮助别人时行动要迅速，quickly“迅速地”，副词，符合语境。 38．They v________ to clean the park last week. 【答案】volunteered/olunteered 【详解】句意：他们上周自愿打扫公园。“last week”表明事情发生在过去，句子应用一般过去时，动词用过去式。“volunteer”作动词时，意为“自愿做；义务做”，其过去式为“volunteered”。 39．He is a________ to work with others. 【答案】able 【详解】句意：他能够与别人合作。根据首字母提示和“to work with others”可知，此处考查结构be able to do sth.“能够做某事”，应填able。 40．Working together brings us s________. 【答案】success/uccess 【详解】句意：一起工作给我们带来成功。句中“brings”是动词，后面需要接名词作宾语，结合“Working together”（一起工作）及首字母为s可知，应是说一起工作会带来成功，success“成功”，符合语境。 41．We should o________ activities to help others. 【答案】organize/rganize 【详解】句意：我们应该组织活动来帮助他人。根据句意和首字母o提示，organize意为“组织”，情态动词should后接动词原形。 42．We should t________ each other in a team. 【答案】trust/rust 【详解】句意：在团队中，我们应该相互信任。结合首字母提示及常识可知，“信任”是团队协作的基石，动词trust“信任”符合，且情态动词后应用动词原形。故填trust。 43．We should r________ each other’s ideas. 【答案】respect/espect 【详解】句意：我们应该尊重彼此的想法。根据首字母提示和“each other’s ideas”可知，此处表示应该尊重彼此的想法，应填respect。 44．Henry caught a v________ and had to stay in bed for a week. 【答案】virus/irus 【详解】句意：亨利感染了病毒，不得不卧床一周。 根据首字母v及“生病卧床”可知，固定搭配catch a virus表示“感染病毒”，virus“病毒”。 45．My grandmother’s smile is like warm s________ on a cold day. 【答案】sunshine/unshine 【详解】句意：我奶奶的笑容就像寒冷日子里温暖的阳光。根据首字母s及“warm”，可知，笑容像是温暖的阳光，sunshine“阳光”。 46．What does this English word m________? I can’t understand it. 【答案】mean/ean 【详解】句意：这个英语单词是什么意思？我不能够理解它。根据“What does this English word...?”和首字母可知，此处询问单词的含义，mean“意思是”符合语境；does后接动词原形。 47．We should o________ some activities to help the elderly. 【答案】 organize/rganize organise/rganise 【详解】句意：我们应该组织一些活动来帮助老年人。根据首字母提示和“some activities”可知，此处表示组织活动，动词organize/organise符合语境。should为情态动词，后接动词原形。 48．She has a lot of e________ in volunteering. 【答案】experience/xperience 【详解】句意：她在志愿服务方面有很多经验。根据首字母及“in volunteering”提示，“经验”为名词experience，为不可数名词，作宾语。 49．The river is p________ by the waste from the factory. 【答案】polluted/olluted 【详解】句意：这条河被工厂的废物污染了。该句为被动语态“be+过去分词”结构；根据“by the waste from the factory”可知，语义与“污染”相关，结合首字母“p”的提示，故填polluted。 50．Children are c________ about everything around them. 【答案】curious/urious 【详解】句意：孩子们对周围的一切都感到好奇。根据首字母“c”及句意“好奇的”可知，应填形容词curious“好奇的”，作表语，构成固定搭配“be curious about”。 51．D________ fossils with feathers changed our understanding of ancient animals. 【答案】Dinosaur/inosaur 【详解】句意：带有羽毛的恐龙化石改变了我们对古代动物的理解。根据“fossils”和“ancient animals”，可知原句描述的是一种古代动物，并且现在有它的化石存在。“dinosaur”符合语境，意为“恐龙”，与“fossils”构成名词短语，意为“恐龙化石”。首字母大写。故填Dinosaur/inosaur。 52．Scientists work hard to protect endangered s________. 【答案】species/pecies 【详解】句意：科学家努力保护濒危物种。空格前有形容词“endangered”濒危的，需要填一个名词作宾语。根据首字母“s”及语境提示，表示“物种”的单词是species。species单复数同形。 53．Jim’s family is known for their great w________, but they still live a simple life. 【答案】wealth/ealth 【详解】句意：吉姆的家人以他们的巨大财富而闻名，但他们仍然过着简朴的生活。根据首字母及“but they still live a simple life”提示，“财富”为名词wealth，为不可数名词。 54．China is a large c________ with a long history and rich culture. 【答案】country/ountry 【详解】句意：中国是一个拥有悠久历史和丰富文化的大国。句中“a large...”提示此处需要一个单数名词，结合首字母“c”和“China”可知，中国是一个国家，country“国家”符合题意，故填country。 55．The first Nobel Prize was presented to a scientist from Germany for the d________ of X-rays. 【答案】discovery/iscovery 【详解】句意：第一个诺贝尔奖被授予一位德国科学家，以表彰他发现了X射线。根据首字母提示和X-rays可知，此处表示发现X射线，空格前有the可知，空处要填名词，名词discovery“发现”符合语境，此处特指X射线的这个发现，用单数形式。故填discovery。 56． Everyone’s progress depends on how much e________ that you’ve made. 【答案】effort/ffort 【详解】句意：每个人的进步取决于你付出了多少努力。根据首字母提示和“that you’ve made”可知，make effort意为“付出努力”，effort意为“努力”，是不可数名词。故填effort。 57．Teamwork is required in order to a________ these aims. 【答案】achieve/chieve 【详解】句意：为了实现这些目标，团队合作是必需的。根据首字母提示及语境可知，此处指“实现”，“实现；达到”英文为“achieve”，且in order to后接动词原形，因此应填动词原形achieve。故填achieve。 58．He is so nervous that he can h________ solve the maths problem. 【答案】hardly/ardly 【详解】句意：他太紧张了，几乎解不出这道数学题。根据首字母提示和“He is so nervous”可知，此处表示因紧张而几乎无法解题。副词hardly“几乎不”表否定含义，符合语境。故填hardly。 59．I hold a strong b________ that I will achieve my dream by working hard. 【答案】belief/elief 【详解】句意：我坚信通过努力奋斗我终将实现梦想。根据首字母提示“b”以及句意可知，此处表示“信念”。名词belief“信念”符合语境，且空前有“a”修饰，应用单数形式。 60．Before washing, check and c________ your pockets in order to make sure there's nothing left. 【答案】clear/lear 【详解】句意：洗衣前，检查并清空你的口袋，确保里面没有遗留物。 根据首字母“c”及“确保口袋无遗留物品”的语境，此处需填动词“clear”（意为“清空、清理”），与“check”并列，用动词原形即可。 61．Thanks for ________ (tell) about your school life. 【答案】telling 【详解】句意：谢谢你讲述你的学校生活。固定搭配“Thanks for doing sth.”中，介词for后接动名词作宾语。所给词tell的动名词为telling“告诉”。故填telling。 62．The ________ (believe) that dinosaurs could fly has been proved by new research. 【答案】belief 【详解】句意：恐龙会飞的信念已经被新的研究证实。此处需要名词作句子的主语，believe是动词“相信”，其名词形式是belief，意为“信念、看法”。 63．The Greens travelled to the forest ________ (explore) the natural world. 【答案】to explore 【详解】句意：格林一家前往森林去探索自然世界。句中谓语动词是travelled，是句子的核心动作。空格处填入to explore，构成“to+动词原形”结构，在句中作目的状语，用来解释说明“前往森林”这个动作的目的是什么——为了“探索自然世界”。故填to explore。 64．The young Chinese scientist has won several important ________ (prize) in the field of medicine. 【答案】prizes 【详解】句意：这位年轻的中国科学家在医学领域赢得了好几项重要奖项。several（几个、若干）后面需要接可数名词的复数形式，prize的复数形式是prizes，符合语法和句子语境。 65．He says that he ________ (like) playing basketball. 【答案】likes 【详解】句意：他说他喜欢打篮球。句子为宾语从句，like“喜欢”，从句描述个人喜好，时态用一般现在时，主语为he，动词用第三人称单数形式likes。 66．_________ (accord) to the report, the environment of this area has improved a lot. 【答案】According 【详解】句意：根据这份报告，这个地区的环境已经改善了很多。accord“符合，一致”，固定搭配according to意为“根据”，句首首字母大写。 67．This is a ________ (history) story that tells us about the life of ancient people. 【答案】historical 【详解】句意：这是一个历史故事，向我们讲述了古人的生活。此处需要形容词修饰名词story，history是名词“历史”，其形容词形式是historical，意为“历史的、与历史相关的”。 68．I have ________ (full) understood the problem, and I can solve it in ten minutes. 【答案】fully 【详解】句意：我已经完全理解了这个问题，并且能在十分钟内解决它。understood是动词，需要副词来修饰，full是形容词，其副词形式为fully，表示“完全地、充分地”。故填fully。 69．The ________ (find) of the students’ sleeping time were published today. 【答案】findings 【详解】句意：关于学生睡眠时间的调查结果于今日公布。空格前有定冠词The，后面接名词作主语；动词find转换为名词finding，表示“调查结果、发现”；句中be动词为were，说明主语为复数findings。 70．Our son has problems with his reading and ________ (write) at school. 【答案】writing 【详解】句意：我们的儿子在学校的阅读和写作方面存在困难。固定搭配have problems with后接名词或动名词，and连接并列结构，前面的reading是动名词形式，括号内单词write需要变为对应的动名词形式，write的动名词变化规则为去e再加-ing。故填writing。 71．The invention of the steam engine was inspired by the ______ (boil) water and the hot steam. 【答案】boiling 【详解】句意：蒸汽机的发明受到了沸水与热蒸汽的启发。此处需要形容词/分词作定语修饰名词water；boil为动词（煮沸），boiling water固定搭配，表示沸腾的水、沸水，用现在分词作定语，表示主动和正在进行的状态。 72．Let’s explore nature! It presents us with ________ (end) wonders and secrets. 【答案】endless 【详解】句意：让我们探索大自然！它为我们展现无尽的奇迹与奥秘。空格后为名词wonders，需要用形容词修饰。endless“无尽的、无穷的”符合语境。 73．The number of birds in the park ________ (be) getting smaller and smaller. 【答案】is 【详解】句意：公园里鸟类的数量正在变得越来越少。主语是“The number of birds”，其中the number of表示“……的数量”，作主语时谓语动词要用单数形式，因此be动词要用单数形式is。 74．We can live a ________ (green) life by using less energy. 【答案】greener/green 【详解】句意：我们可以通过减少能源消耗，过上更环保/环保的生活。green是形容词，意为“环保的、绿色的”，可以直接修饰名词life，live a green life“过环保生活”；句中by using less energy“通过减少能源消耗”表示一种对比关系，暗含“比以前更环保”的含义，因此可以使用green的比较级greener“更环保的”。故填greener/green。 75．The little girl was ________ (surprise) to see a snake in the grass. 【答案】surprised 【详解】句意：小女孩惊讶的看到草丛中有一条蛇。was后需接形容词作表语，括号中给出的surprise是动词，其形容词“surprised”表示“感到惊讶的”，用于描述人的感受。 76．The park will be ________ (beautiful) than before. 【答案】more beautiful 【详解】句意：公园会比以前更漂亮。根据“than”可知，此处应用比较级，beautiful是多音节单词，比较级为more beautiful。 77．It’s helpful for us ________ (do) some research on plants. 【答案】to do 【详解】句意：对我们来说，做一些关于植物的研究是有帮助的。do意为“做”，是动词。“It’s + adj. + for sb + to do sth”为固定句型，其中it为形式主语，真正的主语是后面的不定式短语。故填to do。 78．We must save ________ (能源) and protect our living environment. 【答案】energy 【详解】句意：我们必须节约能源，保护我们的生存环境。根据汉语提示，energy“能源”，不可数名词。 79．Amber is a window into the past, and a key to ________ (解锁) many secrets of nature. 【答案】unlocking 【详解】句意：琥珀是窥见过去的一扇窗，也是解锁大自然众多奥秘的钥匙。固定搭配a key to…中to为介词，介词后需要使用动名词形式，括号内“解锁”对应的动词unlock，变动名词为unlocking，符合语法规则和句子语境。 80．This river is much ________ (clean) than before. 【答案】cleaner 【详解】句意：这条河比以前干净多了。根据“than”和“is”可知，空处使用形容词的比较级cleaner。 81．You mustn’t ________ (walk) on the grass in the park. 【答案】walk 【详解】句意：你不准在公园的草地上行走。walk意为“行走”，是动词。mustn’t为情态动词的否定式，其后应接动词原形。故填walk。 82．We should stop ________ (pollute) the natural home of animals. 【答案】polluting 【详解】句意：我们应该停止污染动物的自然家园。pollute意为“污染”，是动词。句子强调“停止正在进行的污染行为”，应用stop doing sth表示“停下正在做的事情”，pollute的动名词形式是polluting。 83．We should avoid ________ (hurt) small animals. 【答案】hurting 【详解】句意：我们应该避免伤害小动物。avoid doing sth.“避免做某事”是固定搭配，此处应该用动名词作宾语，hurt的动名词形式是hurting。 84．We must do something ________ (save) the endangered insects. 【答案】to save 【详解】句意：我们必须做些什么来拯救濒临灭绝的昆虫。根据“We must do something...the endangered insects.”可知，做事情的目的是拯救濒临灭绝的昆虫，此处应该用动词不定式作目的状语。应填to save。 85．While my father ________ (read), my mother was cooking. 【答案】was reading 【详解】句意：当我父亲在看书的时候，我母亲正在做饭。句中“While”引导的时间状语从句表示“当……的时候”，强调两个动作在过去同时发生。主句“my mother was cooking”使用了过去进行时，因此从句也应用过去进行时，结构是was/were+动词现在分词，主语my father是第三人称单数，read的现在分词是reading。 86．It’s important ________ (know) more about living things. 【答案】to know 【详解】句意：更多地了解生物是很重要的。句子使用了“It’s + 形容词 + to do sth.”的固定句型，表示“做某事是……的”，所以这里需要用动词不定式to know。 87．It’s wrong ________ (catch) butterflies for fun. 【答案】to catch 【详解】句意：为了乐趣抓蝴蝶是不对的。句中“It’s wrong”后常用不定式作真正主语，构成“It’s+adj.+to do sth.”结构，故填to catch。 88．It’s exciting for us ________ (explore) the forest. 【答案】to explore 【详解】句意：对我们来说，探索森林是令人兴奋的。本句为It’s+形容词+for sb. to do sth.句型，意为“对某人来说做某事是……的”，此处需用动词不定式to explore。 89．The world is getting ________ (crowded) these years. 【答案】more crowded 【详解】句意：这些年世界变得更拥挤了。“get + 形容词比较级”表示“变得更……”，“crowded”（拥挤的）是多音节形容词，其比较级形式为“more crowded”，符合“这些年（暗含与过去对比）”的语境。故填more crowded。 90．We must ________ (keep) quiet when we watch animals. 【答案】keep 【详解】句意：观看动物时我们必须保持安静。情态动词“must”后面接动词原形keep。 91．You need ________ (wear) sunglasses in the sun. 【答案】to wear 【详解】句意：在阳光下你需要戴太阳镜。need作为实义动词时，后接to do不定式作宾语，表示“需要做某事”。 92．________ (lucky), the government has built more nature reserves for them to live in. 【答案】Luckily 【详解】句意：幸运的是，政府已经为它们建立了更多自然保护区来栖息。 此处位于句首修饰整个句子，需要变为副词形式Luckily，首字母必须大写。 93．Do you have a ________ (solve) to the maths question? 【答案】solution 【详解】句意：你有这道数学题的解决办法吗？空前有不定冠词a，需要填入可数名词的单数形式；solve是动词，名词形式为solution。 94．If you’re not sure about the answer, you can ask your teacher ________ (direct). 【答案】directly 【详解】句意：如果你不确定答案，你可以直接去问问你的老师。根据后半句“you can ask your teacher”可知，此处副词修饰动词“ask”，故填所给词的副词形式directly“直接地”。 95．To his ________ (disappoint), the harvest of crops this year is not as good as last year. 【答案】disappointment 【详解】句意：令他失望的是，今年的庄稼收成不如去年好。根据“his”可知，后面要填写名词，结合所给词“disappoint”可知，此处填写其常用短语“to one’s disappointment”。 96．The news says that the ________ (home) people in the war have got help from all over the world. 【答案】homeless 【详解】句意：消息称，战争中的无家可归者得到了来自世界各地的帮助。home意为“家”，是名词。此处修饰名词people，需要用形容词形式；根据语境“战争中的”，人们应是“无家可归的”，故填homeless。 97．After this ________(treat), the boy felt much better than before. 【答案】treatment 【详解】句意：在这次治疗后，男孩感觉比之前好很多。此处需要一个名词作介词“After”的宾语，“treat”（动词，治疗）的名词形式是“treatment”（治疗），符合“这次治疗”的语义。应填treatment。 98．Everyone can feel the ________ (warm) of the helping hands from the volunteers. 【答案】warmth 【详解】句意：每个人都能感受到来自志愿者们援助之手的温暖。空前有定冠词“the”，空后有介词of，此处需用名词作宾语。“warm”是形容词，意为“温暖的”，其对应的名词形式是warmth意为“温暖，暖意”。 99．Teaching kids with special needs sounds like a ________ (challenge) job. 【答案】challenging 【详解】句意：教育有特殊需求的孩子听起来像是一份有挑战性的工作。根据“a”及“job”提示，需填形容词作定语。“challenge”为名词，其形容词形式challenging“有挑战性的”符合句意。 100．When he was still a young boy, he was already very clever and ________ (imagine). 【答案】imaginative 【详解】句意：当他还是一个小男孩时，他已经很聪明且富有想象力了。and连接两个并列的表语，空处和形容词clever并列，所以空处需要填形容词；imagine的形容词imaginative“富有想象力的”。 10 / 13乐思英语 学科网（北京）股份有限公司 $