Unit 2 Go for it 重点词汇变形专项练习 - 2025-2026学年外研版七年级下册英语

外研版（2025）七年级下册 Unit 2 单元重点词汇变形题集 答案解析 一、根据中文提示写出单词的正确形式 1. break解析：情态动词 mustn’t 后接动词原形，“违反” 的动词原形为 break。 2. public解析：形容词作定语修饰名词 rules，“公共的” 形容词为 public，public rules 表示 “公共规则”。 3. littering解析：“No + 动名词” 是固定标识表达，意为 “禁止做某事”，“乱扔垃圾” 的动名词为 littering。 4. better解析：much 用来修饰形容词比较级，“更好的” 是 good/well 的比较级 better。 5. rest解析：want to do sth. 为固定搭配，意为 “想要做某事”，后接动词原形 rest。 6. awful/terrible解析：be 动词后接形容词作表语，“糟糕的” 可填 awful 或 terrible。 7. noise解析：much 后接不可数名词，“噪音” 的不可数名词为 noise，make noise 表示 “制造噪音”。 8. polite解析：be 动词后接形容词作表语，“有礼貌的” 形容词为 polite。 9. person解析：不定冠词 a 后接可数名词单数，“人” 的单数名词为 person（people 为集体名词，表复数）。 10. practises/practices解析：主语 Mike 是第三人称单数，时态为一般现在时，谓语动词用第三人称单数形式，“练习” 的单三形式为 practises（英式）/practices（美式）。 11. learn解析：will 为情态动词，后接动词原形，“了解到” 的动词原形为 learn。 12. smart phone解析：“智能手机” 的固定表达为 smart phone，形容词 smart 修饰名词 phone。 13. think of解析：“思考；认为” 的固定短语为 think of，助动词 did 后接动词原形。 14. hanging解析：enjoy doing sth. 为固定搭配，意为 “喜欢做某事”，后接动名词，hang out 表示 “闲逛”，hang 的动名词为 hanging。 15. lend解析：want to do sth. 后接动词原形，“借出”（主语发出，指向他人）为 lend，borrow 表示 “借入”。 16. focus解析：it is + 形容词 + for sb. to do sth. 为固定句型，后接动词原形，focus on 表示 “聚焦于”。 17. leave解析：主语 Susan’s parents 是复数，时态为一般现在时，谓语动词用原形 leave。 18. If解析：“如果” 引导条件状语从句，英文为 If，句首首字母大写。 19. on time解析：“准时” 的固定短语为 on time（in time 表示 “及时”，注意区分）。 20. be late for解析：“迟到……” 的固定短语为 be late for，助动词 don’t 后接动词原形 be。 21. better解析：get better at 表示 “在…… 方面变得更好”，用 good 的比较级 better。 22. understands解析：主语 The man 是第三人称单数，一般现在时中谓语动词用单三形式 understands。 23. unhappy解析：be 动词后接形容词作表语，“不快乐的” 是 happy 的反义词 unhappy。 24. lent解析：结合语境，“借出” 的动作已发生，用一般过去时，lend 的过去式为 lent。 25. treat解析：tell sb. to do sth. 为固定搭配，后接动词原形 treat，treat others 表示 “对待他人”。 26. have to解析：“不得不” 的固定表达为 have to，主语 I 为第一人称，用原形 have to。 27. advice解析：lots of 后接不可数名词或可数名词复数，“建议” 为不可数名词 advice（suggestion 为可数名词，需用复数）。 28. make the bed解析：“整理床铺” 的固定短语为 make the bed，have to 后接动词原形 make。 29. be/become解析：want to do sth. 后接动词原形，“成为” 可填 be 或 become。 30. create解析：want to do sth. 后接动词原形，“创建” 的动词原形为 create。 二、用括号内单词的正确形式填空 1. children解析：由 were 可知主语为复数，child 的复数形式为 children（不规则变形）。 2. running解析：no 后接动名词，与 shouting 并列，run 的动名词为 running。 3. jump解析：make sb. do sth. 为固定搭配，意为 “使某人做某事”，后接动词原形 jump。 4. follows解析：if 引导的条件状语从句，遵循 “主将从现”，从句主语 everyone 为第三人称单数，谓语动词用 follows。 5. parrot解析：定冠词 the 后接可数名词单数，表类别，故填 parrot。 6. kept解析：由 entered（过去式）可知时态为一般过去时，keep 的过去式为 kept。 7. dangerous解析：be 动词后接形容词作表语，danger 的形容词为 dangerous，意为 “危险的”。 8. are swinging解析：由 Look! 可知时态为现在进行时，结构为 be + 动名词，主语 monkeys 是复数，故填 are swinging。 9. must解析：结合语境，动物园管理员提醒 “必须遵守规则”，情态动词 must 无形式变化，直接填 must。 10. untidy解析：由 but 表转折可知，弟弟和他相反，“不整洁的” 是 tidy 的反义词 untidy。 11. dangerous/unsafe解析：it’s + 形容词 + to do sth.，“玩火是危险的”，safe 的反义词为 unsafe，也可填 dangerous。 12. speech解析：形容词性物主代词 His 后接名词，speak 的名词为 speech，意为 “说话方式；演讲”。 13. kind解析：be kind to sb. 为固定搭配，意为 “对某人友好”，形容词 kind 无形式变化。 14. noisy解析：形容词作定语修饰名词 kids，noise 的形容词为 noisy，意为 “吵闹的”。 15. swimmer解析：不定冠词 a 后接可数名词单数，swim 的名词为 swimmer，意为 “游泳者”。 16. careful解析：be careful 为固定搭配，意为 “小心的”，形容词 careful 作表语。 17. rules解析：How many 后接可数名词复数，rule 的复数为 rules。 18. notice解析：结合语境，门上的通知为单数，定冠词 the 后接单数名词 notice。 19. tired解析：feel tired of 为固定搭配，意为 “对…… 感到厌倦”，-ed 形容词修饰人，tiring 修饰事物。 20. us解析：介词 for 后接人称代词宾格，we 的宾格为 us。 21. exciting解析：it’s + 形容词 + to do sth.，-ing 形容词修饰事物，意为 “令人兴奋的”，故填 exciting（excited 修饰人）。 22. to litter解析：it is + 形容词 + to do sth.，it 为形式主语，真正主语为后面的不定式，故填 to litter。 23. quietly解析：副词修饰动词 speak，quiet 的副词为 quietly，意为 “轻声地”。 24. advice解析：a piece of 后接不可数名词，advise 的名词为 advice，意为 “建议”。 25. becomes解析：由 hears 可知时态为一般现在时，主语 he 为第三人称单数，谓语动词用 becomes。 26. relax解析：本句为祈使句，以动词原形开头，故填 relax。 27. better解析：than 为比较级标志，much 修饰比较级，good 的比较级为 better。 28. lions解析：可数名词单数不能单独使用，表类别用复数 lions。 29. snacks解析：too many 后接可数名词复数，snack 的复数为 snacks。 30. politely解析：副词修饰动词 ask，polite 的副词为 politely，意为 “有礼貌地”。 三、根据首字母提示完成句子 1. keep解析：must 后接动词原形，keep + 宾语 + 形容词，意为 “使…… 保持某种状态”，keep our neighborhood clean and tidy 表示 “保持社区干净整洁”。 2. really解析：副词修饰形容词 wonderful，really 意为 “真正地”，表示 “这真是一部精彩的电影”。 3. However解析：前后句表转折，however 意为 “然而”，句首首字母大写，后用逗号隔开。 4. loudly解析：副词修饰动词 talk，loudly 意为 “大声地”，表示 “不要在阅览室大声说话”。 5. wear解析：have to 后接动词原形，wear a helmet 表示 “戴头盔”。 6. Finally解析：副词作状语，finally 意为 “最后；终于”，句首首字母大写。 7. strict解析：be strict with sb. 为固定搭配，意为 “对某人严格”。 8. messy解析：make it + 形容词，意为 “使它变得……”，messy 意为 “凌乱的”，与 clean 形成对比。 9. bring解析：情态动词 can 后接动词原形，bring 意为 “带来”（从别处带到说话地），bring sth. to sb. 表示 “带某物给某人”。 10. necessary解析：it’s + 形容词 + to do sth.，necessary 意为 “必要的”，表示 “学习消防安全规则是必要的”。 11. practise/practice解析：have to 后接动词原形，practise/practice 意为 “练习”，后接名词或动名词。 12. Outside解析：outside of the classroom 表示 “在教室外面”，与 inside 对应，句首首字母大写。 13. library解析：school library 表示 “学校图书馆”，结合语境 “课后可以在图书馆看书”，填 library。 14. drink解析：情态动词 can’t 后接动词原形，eat or drink 表示 “吃或喝”，并列结构形式一致。 15. uniforms解析：wear school uniforms 表示 “穿校服”，可数名词用复数表泛指。 16. fight解析：Don’t 后接动词原形，fight with sb. 为固定搭配，意为 “和某人打架”。 17. silent解析：keep silent 为固定搭配，意为 “保持安静”，silent 为形容词作表语。 18. queue解析：in the queue 表示 “在队伍里”，push in the queue 表示 “插队”。 19. spirit解析：名词所有格 his 后接名词，spirit 意为 “精神”，为不可数名词，表示 “他的精神永存”。 20. just解析：just 意为 “正好；仅仅”，表示 “这个男孩正好 13 岁，因为今天是他的生日”。 21. respect解析：show respect for sb. 为固定搭配，意为 “尊敬某人”，respect 为不可数名词。 22. order解析：keep...in order 为固定搭配，意为 “使…… 井然有序”，表示 “一些老师发现很难维持课堂秩序”。 23. hanging解析：see sb. doing sth. 为固定搭配，意为 “看见某人正在做某事”，hang the red lanterns 表示 “挂红灯笼”，hang 的现在分词为 hanging。 24. mobile解析：mobile phone 为固定表达，意为 “手机”，与后文对应。 25. belts解析：seat belt 表示 “安全带”，可数名词，司机的安全带常用复数 belts，put on seat belts 表示 “系安全带”。 26. lend解析：情态动词 can 后接动词原形，lend sb. sth. 为固定搭配，意为 “借给某人某物”。 27. everything解析：everything 意为 “一切事物”，表示 “春天来了，万物开始生长”。 28. sweet解析：形容词作表语，sweet 意为 “甜的”，与 delicious 并列，描述蛋糕的味道。 29. add解析：祈使句以动词原形开头，add...to... 为固定搭配，意为 “把…… 加到…… 里”。 30. better解析：结合语境 “在家自己做饭，能做更好的饭菜”，用 good 的比较级 better。 学科网（北京）股份有限公司 $ 外研版（2024）七年级下册Unit 2单元重点词汇变形题集 一、根据中文提示写出单词的正确形式 1．You mustn’t ________ (违反) the traffic rules, or you’ll get a fine. 2．It’s everyone’s duty to follow the ________ (公共的) rules in public places. 3．Can’t you see the sign on the wall? It says, “No ________ (乱扔垃圾)” . 4．He had a fever yesterday but he feels much ________ (更好的) now. 5．I’m very tired now. I just want to ________(休息). 6．The film is ________ (糟糕的). It’s long and boring. 7．It is not polite to make too much ________ (噪音) when eating or drinking. 8．Remember to be ________ (有礼貌的) when speaking to elders. 9．He is a kind and helpful ________ (人). 10．Mike often ________ (练习) volleyball on Friday afternoons. 11．If you read more books, you will _______ (了解到) many amazing facts about the world. 12．How long do you use your ________ ________ (智能手机) every day? 13．What did you ________ ________ (思考) the idea? 14．I enjoy ________ (闲逛) out with him. 15．I don’t want to ________ (借出) my storybook to my classmate. 16．It is important for us to ________ (聚焦) on our health in our daily life. 17．Susan’s parents usually ________ (离开) home at seven o’clock in the morning. 18．________ (如果) you like playing football, you can join the Football Club. 19．He will come ________ ________ even though it rains. (准时) 20．Please don’t ________ ________ ________ school. It’s a rule. (……迟到) 21．Learning grammar rules well can help us get ________ (更好的) at English. 22．The man ________ (理解) the importance of health. 23．I am ________ (不快乐的) today. 24．Helen ________ (借出) me some books. 25．Mom always tells us to ________ (对待) others in a kind way. 26．I can’t go to the zoo this Sunday. I ________ ________ do my homework at home. (不得不) 27．The teacher gave us lots of ________ (建议) on how to improve our English. 28．I have to ________ ________ ________ (整理床铺) after I get up every day. 29．The girl’s brother wants to ________ (成为) a teacher. 30．She wants to ________ (创建) an app to help people learn languages. 二、用括号内单词的正确形式填空 1．The ________ (child) were excited to see the dolphins jumping out of the water. 2．The library has a new rule: no ________ (run) or shouting inside. 3．The lion’s loud roar made the little girl ________ (jump) in surprise. 4．If everyone ________ (follow) the rules, the park will be safe for both animals and visitors. 5．My favorite animal is the ________ (parrot) because it can imitate human voices. 6．The students ________ (keep) quiet when they entered the bird sanctuary. 7．Feeding animals in the zoo is ________ (danger) because human food may harm them. 8．Look! The monkeys ________ (swing) on the trees happily. 9．The zookeeper reminded us, “You ________ (must) follow the park rules to protect the animals.” 10．He cleans his room every day but his brother is ________ (tidy). 11．It’s ________ (safe) to play with fire. 12．His ________ (speak) is not clear. We can’t understand him well. 13．Our head teacher is ________ (kind) to us, but she is strict in our studies. 14．The ________ (noise) kids are running around the restaurant. 15．Tom is a fast ________ (swim). He won first place in the competition. 16．My dad always tells me to be ________ (careful) when riding a bike. 17．—How many ________ (rule) are there in your school? —About eight. 18．Look at the ________ (notice) on the door. It says “No Entry”. 19．The little boy feels ________ (tire) of the tiring training every day. 20．Loud music is bad for ________ (we) to focus on study. 21．It’s ________ (excite) to learn about funny rules in different countries. 22．It is not right ________ (litter) in the park. We should keep the park clean. 23．When you go to a library, you should speak ________ (quiet). 24．I can give you a piece of ________ (advise) on your problems. 25．Look! How excited he ____________ (become) when he hears the news! 26．Just ________ (relax) and enjoy the movie. 27．Dogs can hear much ________ (good) than humans. 28．Tina doesn’t like ________ (lion). Her cousin doesn’t like lions either. 29．Don’t eat too many sweet ________ (snack). They’re bad for your teeth. 30．If you want others’ help, you should ask them ________ (polite). 三、根据首字母提示完成句子 1．We must k________ our neighborhood clean and tidy. 2．This is r________ a wonderful movie. You shouldn’t miss it. 3．I plan to go hiking. H________, the weather forecast says it will rain. 4．Don’t talk l________ in the reading room. Others are concentrating. 5．You have to w________ a helmet when riding an electric bike. 6．F________, I caught the last bus and didn’t have to walk home. 7．Our math teacher is s________ with us, but we know she cares about us. 8．Keep your bedroom clean. Don’t make it m________. 9．Can you b________ your favorite comic book to share with us tomorrow? 10．It’s n________ to learn about fire safety rules. 11．I have to p________ my English speaking skills every morning. 12．O________ of the classroom, you can play ball games with your friends. 13．You can read books in the school l________ after class. 14．We can’t eat or d________ in the museum. 15．Students must wear school u________ on school days. 16．Don’t f________ with your little sister. Share your toys with her. 17．Please keep s________ during the meeting. The leader is speaking. 18．Don’t push in the q ________ when waiting for the bus. It’s impolite. 19．Though Qian Xuesen is dead, his s________ will live forever. 20．The boy is j________ 13 years old because today is his birthday. 21．The Double Ninth Festival (重阳节) is a special day to show r________ for the old. 22．Some teachers find it difficult to keep their classes in o________. 23．At the Spring Festival, we can see many people h________ the red lanterns in front of the house. 24．—Do you have a m________ phone? —No, my mother doesn’t buy me one. 25．Drivers must put on their seat b________ before driving. Safety must come first. 26．I can l________ you my pencil if you forget yours. 27．When spring comes, e________ begins to grow. 28．The cake is very s________ and delicious. 29．Please a________ some salt to the soup to make it more delicious. 30．If you cook your own meals at home, you can make b________ meals. 学科网（北京）股份有限公司 $