Unit3 Money 单词用法与词性转换专练 2025-2026学年沪教版（五四制）八年级英语下册

八年级下册英语 Unit 3 Money 单词用法与词性转换专练 沪教版（五四学制）｜词汇精讲 + 词性转换50题（学生版） 范围说明：仅整理 Unit 3 Money 单元词汇，并配套基础—进阶—拓展梯度练习。 一、Unit 3 单词表精讲 整理原则：以教材词表为基础，突出核心释义、常见搭配、词性转换、易错点和可直接套用的例句。 Unit 3 核心语法提醒：1. 表示价格常用 cost / pay / spend / take 四类结构；2. 表示“对……负责”用 be responsible for；3. budget 可作名词也可作动词；4. goods 常用复数；5. cost 的过去式仍是 cost；6. might 后接动词原形；7. even if 后接完整从句；8. in short 常作总结连接语。 高频搭配归纳：on sale, pay in cash, pocket money, make a budget, be responsible for, make a mess, mess up, bank account, trade with, in exchange for, as the saying goes, even if, a complete answer, valuable advice, pie chart, the percentage of ... 易错点提示：① sale 是名词，sell 是动词；② payment 是名词，pay 是动词；③ cheap 形容词，cheaply 副词；④ independent 与 dependent 反义；⑤ complete 可作形容词也可作动词；⑥ chocolate 既可作不可数名词，也可在具体“巧克力糖”时作可数。 建议使用方法：先通读词表，重点记“单词—词性—搭配—句型”；再完成后面的词性转换题；最后回到词表，把做错的词圈出来二次巩固。 单词 词性与核心释义 常用搭配 / 词性转换 / 易错点 例句 mall n. 购物商场；购物广场 【搭配】go to the mall 去商场；shopping mall 购物中心 【转换】复数 malls；同类词：market, supermarket We often go to the mall at weekends. sale n. 出售；销售；减价销售 【搭配】on sale 在售；for sale 待售；have a sale 打折促销 【转换】动词 sell → 名词 sale；seller 卖方 These shoes are on sale this week. payment n. 支付；付款 【搭配】make a payment 付款；cash payment 现金支付；online payment 在线支付 【转换】pay v. 支付 → payment n.; paid adj. 已付的 Online payment is very popular now. cash n. 现金 【搭配】pay in cash 付现金；cash desk 收银台 【转换】形容词 cashless 无现金的（拓展） My grandpa still likes to pay in cash. honey n. 蜂蜜；（口语）亲爱的 【搭配】a spoon of honey 一勺蜂蜜；sweet as honey 像蜜一样甜 【转换】常作不可数名词；无常见规则复数 A little honey makes the tea sweeter. assistant n. 店员；助手 【搭配】shop assistant 店员；teaching assistant 助教 【转换】assist v. 帮助；assistant n. 助手；assistance n. 帮助 The shop assistant showed us some nice jackets. deal n. 交易；协议 【搭配】a good deal 划算的买卖；make a deal 达成协议；big deal 重要的事 【转换】deal 也可作 v. 处理；dealt 为过去式/过去分词 That computer is a good deal at this price. bill n. 账单 【搭配】pay the bill 付账；electricity bill 电费账单 【转换】常与 pay, check 连用 My father paid the bill after dinner. donate v. 捐赠；赠送 【搭配】donate money/books/clothes 捐钱/书/衣物；donate ... to ... 把……捐给…… 【转换】donation n. 捐赠；donor n. 捐赠者（拓展） Our class donated books to the village school. pound n. 英镑；磅 【搭配】ten pounds 十英镑；two pounds of apples 两磅苹果 【转换】注意一词多义：货币单位/重量单位 This toy costs five pounds in London. cheap adj. 便宜的；廉价的 【搭配】cheap clothes 便宜的衣服；cheap and good 物美价廉 【转换】cheaply adv. 便宜地；cheaper 比较级；cheapest 最高级 These T-shirts are cheap but comfortable. chocolate n. 巧克力；巧克力糖 【搭配】a bar of chocolate 一条巧克力；hot chocolate 热巧克力 【转换】作“巧克力”时多为不可数；作“巧克力糖”时可数 She bought some chocolate for her little brother. pocket n. 衣袋；口袋 【搭配】in one’s pocket 在某人的口袋里；pocket money 零花钱 【转换】常见合成词：pocketbook, pocket money There is some change in my pocket. pocket money n. 零花钱 【搭配】save/spend pocket money 存/花零花钱 【转换】固定短语，不拆开理解更自然 He saves part of his pocket money every month. expectation n. 期待；预期 【搭配】meet one’s expectations 达到某人的期待；high expectations 很高的期望 【转换】expect v. 期待；expected adj. 预料中的；unexpected adj. 出乎意料的 The new shop met our expectations. budget v. 制定预算；n. 预算 【搭配】make a budget 做预算；within the budget 在预算之内；budget for ... 为……做预算 【转换】budget 可兼作动词和名词 We need to budget carefully before the class trip. financial adj. 财务的；财政的；金融的 【搭配】financial problem 财务问题；financial report 财务报告 【转换】finance n./v. 财政；financial adj. His parents gave him some financial advice. in short phr. 总之；简言之 【搭配】常放句首或句中作总结：In short, ... 【转换】近义表达：in a word, to sum up In short, we should spend money wisely. independent adj. 独立的；自主的 【搭配】be independent of ... 不依靠……；independent thinking 独立思考 【转换】independence n. 独立；independently adv. 独立地 Students should learn to be independent. responsible adj. 负责的；有责任心的；可信任的 【搭配】be responsible for ... 对……负责 【转换】responsibility n. 责任；responsibly adv. 负责地（拓展） He is responsible for buying food for the picnic. mess n. 杂乱；脏乱；麻烦 【搭配】make a mess 弄得一团糟；in a mess 乱七八糟 【转换】messy adj. 脏乱的 Your room is in a mess. Please tidy it up. mess up phr. 出错；搞砸；弄乱 【搭配】mess up the plan/room/test 把计划/房间/考试搞砸 【转换】动词短语，可分可不分，代词作宾语常放中间 Don’t mess up your notes before the exam. responsibility n. 责任 【搭配】take responsibility for ... 对……负责；a sense of responsibility 责任感 【转换】responsible adj. 负责的 Doing homework on time is your responsibility. value n. 用途；积极作用；价值 【搭配】be of great value 很有价值；the value of ... ……的价值 【转换】valuable adj. 有价值的；value 也可作 v. 重视（拓展） The book is of great value to young readers. account n. 账户 【搭配】bank account 银行账户；open an account 开户 【转换】accountant n. 会计（拓展） My mother opened a bank account last year. bank n. 银行 【搭配】go to the bank 去银行；at the bank 在银行 【转换】banker n. 银行家（拓展） There is a bank near our school. economics n. 经济学 【搭配】study economics 学习经济学 【转换】economy n. 经济；economic adj. 经济的；economical adj. 节约的 Her brother wants to study economics in the future. whatever pron. 任何事物；无论什么 【搭配】whatever you like 任何你喜欢的东西；whatever happens 无论发生什么 【转换】疑问词 what 的让步式拓展 You may choose whatever you need. economist n. 经济学家 【搭配】a famous economist 一位著名的经济学家 【转换】economics n. → economist n. That economist wrote many books about trade. society n. 社会 【搭配】modern society 现代社会；in today’s society 在当今社会 【转换】social adj. 社会的；socially adv. 在社会上（拓展） Money plays an important part in modern society. trade v. 互相交换；n. 贸易；交易 【搭配】trade with ... 与……做生意；international trade 国际贸易；trade A for B 用A交换B 【转换】trader n. 商人；tradeable/tradable adj. 可交易的（拓展） Countries trade goods with each other. exchange n. 交换；互换 【搭配】in exchange for ... 交换；an exchange student 交换生；make an exchange 交换 【转换】exchange 也可作 v. 交换 I gave him my stamp in exchange for his coin. goods n. 商品；货品 【搭配】produce goods 生产商品；cheap goods 廉价商品 【转换】goods 常用复数形式；不可说 a good 表示“一个商品” The shop sells sports goods and school things. sample n. 样品；试用产品 【搭配】free sample 免费样品；a sample of ... 一份……的样品 【转换】sample 也可作 v. 试用；sampled 过去式 The assistant gave us a free sample of tea. saying n. 谚语；格言；警句 【搭配】as the saying goes 常言道；an old saying 一句老话 【转换】say v. 说 → saying n. 谚语/说法 There is an old saying: Time is money. cost n. 成本；v. 花费；价钱为 【搭配】cost sb. money 某物花费某人多少钱；at low cost 低成本 【转换】过去式和过去分词同形：cost The bike cost me 300 yuan last month. even if conj. 即使；纵然；虽然 【搭配】even if + 从句 【转换】近义：even though I will go on working even if it rains tomorrow. might modal v. 可能；可以 【搭配】might do sth 可能做某事；might be 可能是 【转换】语气比 may 更委婉/不确定 It might rain this afternoon. complete adj. 完全的；彻底的；v. 完成，使完整 【搭配】a complete answer 完整的答案；complete the task 完成任务 【转换】completely adv. 完全地；completion n. 完成（拓展） Please complete the form before you leave. completely adv. 完全地；彻底地 【搭配】completely different 完全不同；completely understand 完全理解 【转换】complete adj./v. → completely adv. I completely forgot his birthday. valuable adj. 很有用的；很重要的；宝贵的 【搭配】valuable advice 宝贵的建议；valuable experience 宝贵的经历 【转换】value n. 价值 → valuable adj. The teacher gave us some valuable advice. pie n. 果馅饼；果馅派 【搭配】apple pie 苹果派 【转换】复数 pies My mother made an apple pie yesterday. pie chart n. 饼形图；饼分图 【搭配】draw/use/read a pie chart 画/使用/解读饼形图 【转换】chart n. 图表；bar chart 条形图 The pie chart shows how students spend their pocket money. percentage n. 百分率；百分比 【搭配】the percentage of ... ……的百分比；a high percentage 很高的比例 【转换】percent n./adj. 百分之……；percentage n. 百分比 A small percentage of the money goes to books. 二、重点词性转换速记 sale ← sell；payment ← pay；assistant ← assist；expectation ← expect；financial ← finance；independent ← independence；responsibility ← responsible；valuable ← value；economist ← economics；completely ← complete；social ← society；wisely ← wise。 三、词性转换与综合运用（50题） 题型说明：根据括号内所给词的适当形式填空。题目按“基础—进阶—拓展”分层编排。 基础题 1. The shoes were very ______, so I bought two pairs. (cheap) 2. My father usually pays for everything in ______. (cash) 3. The shop ______ many school things every day. (sale) 4. Our English teacher gave us a very ______ story yesterday. (value) 5. He is old enough to be ______ and wash his own clothes. (independence) 6. Tom spent all his pocket money, so he had to plan his ______ better. (budget) 7. The room was in a ______ after the party. (messy) 8. There are two new ______ in the supermarket today. (sample) 9. My sister wants to be a shop ______ during the summer holiday. (assist) 10. This exercise is not difficult. You can ______ it in ten minutes. (complete) 11. The old man gave all his money to the poor and became a famous ______. (donate) 12. The bank clerk checked my ______ carefully. (pay) 13. A good student should have a strong sense of ______. (responsible) 14. The teacher spoke so ______ that everyone could understand him. (complete) 15. The apples in that shop are much ______ than those in the mall. (cheap) 16. As the old ______ goes, “Money doesn’t grow on trees.” (say) 17. The ______ of boys in our class is 55%. (percent) 18. The little girl ______ some old books to the library last week. (donation) 19. Please put the coins back into your ______. (pocket) 20. The boy looked at the pie chart and answered the question ______. (correct) 进阶题 21. Lucy is ______ for collecting the class money today. (responsibility) 22. The children exchanged gifts and talked ______ with one another. (happy) 23. My uncle studies ______, so he often reads books about money and trade. (economic) 24. The tourists bought some local ______ before they left the town. (good) 25. You should think carefully before making a final ______. (decide) 26. The little boy messed the room up and his mother looked ______. (angrily) 27. If you save money ______, you will have enough for the bike soon. (wise) 28. The new rule has changed our school life ______. (complete) 29. My brother might ______ a new account this afternoon. (open) 30. The report shows that online ______ is becoming more common. (pay) 31. Even if it ______ tomorrow, we will still visit the bank museum. (rain) 32. This watch is not very expensive, but it is still ______ to me. (value) 33. Our class made a ______ before the school fair and then bought things within it. (budget) 34. The two countries have been trading ______ for many years. (busy) 35. He spent all his money ______, so he could not buy the dictionary. (careless) 36. It is our ______ to keep the classroom clean and tidy. (responsible) 37. The manager checked whether the information was ______. (complete) 38. The students are talking about the ______ differences between city life and village life. (society) 39. This maths problem can be solved ______ if you read the pie chart carefully. (easy) 40. My cousin is interested in money matters and wants to become an ______. (economics) 拓展题 41. The girl looked at the price tag in ______ because it was much higher than she expected. (surprising) 42. Although he is only thirteen, he can manage his pocket money ______. (good) 43. The trip was a ______ success because everyone learned how to make a budget. (complete) 44. Nobody expected the old coins to be so ______. (value) 45. If you want to be trusted, you should act more ______ in group work. (responsible) 46. The teacher asked us to read the chart and answer the questions ______. (careful) 47. His answer was only ______ right, so the teacher asked him to think again. (part) 48. The poor family received food and money from many kind ______. (donate) 49. The speaker ended his talk by saying, “In ______, save first and spend later.” (short) 50. After comparing the two pie charts, we understood the problem much more ______. (deep) Unit 3 Money｜单词用法与词性转换专练 学科网（北京）股份有限公司 $ 八年级下册英语 Unit 3 Money 单词用法与词性转换专练 沪教版（五四学制）｜词汇精讲 + 词性转换50题（教师版） 范围说明：仅整理 Unit 3 Money 单元词汇，并配套基础—进阶—拓展梯度练习。 一、Unit 3 单词表精讲 整理原则：以教材词表为基础，突出核心释义、常见搭配、词性转换、易错点和可直接套用的例句。 Unit 3 核心语法提醒：1. 表示价格常用 cost / pay / spend / take 四类结构；2. 表示“对……负责”用 be responsible for；3. budget 可作名词也可作动词；4. goods 常用复数；5. cost 的过去式仍是 cost；6. might 后接动词原形；7. even if 后接完整从句；8. in short 常作总结连接语。 高频搭配归纳：on sale, pay in cash, pocket money, make a budget, be responsible for, make a mess, mess up, bank account, trade with, in exchange for, as the saying goes, even if, a complete answer, valuable advice, pie chart, the percentage of ... 易错点提示：① sale 是名词，sell 是动词；② payment 是名词，pay 是动词；③ cheap 形容词，cheaply 副词；④ independent 与 dependent 反义；⑤ complete 可作形容词也可作动词；⑥ chocolate 既可作不可数名词，也可在具体“巧克力糖”时作可数。 建议使用方法：先通读词表，重点记“单词—词性—搭配—句型”；再完成后面的词性转换题；最后回到词表，把做错的词圈出来二次巩固。 单词 词性与核心释义 常用搭配 / 词性转换 / 易错点 例句 mall n. 购物商场；购物广场 【搭配】go to the mall 去商场；shopping mall 购物中心 【转换】复数 malls；同类词：market, supermarket We often go to the mall at weekends. sale n. 出售；销售；减价销售 【搭配】on sale 在售；for sale 待售；have a sale 打折促销 【转换】动词 sell → 名词 sale；seller 卖方 These shoes are on sale this week. payment n. 支付；付款 【搭配】make a payment 付款；cash payment 现金支付；online payment 在线支付 【转换】pay v. 支付 → payment n.; paid adj. 已付的 Online payment is very popular now. cash n. 现金 【搭配】pay in cash 付现金；cash desk 收银台 【转换】形容词 cashless 无现金的（拓展） My grandpa still likes to pay in cash. honey n. 蜂蜜；（口语）亲爱的 【搭配】a spoon of honey 一勺蜂蜜；sweet as honey 像蜜一样甜 【转换】常作不可数名词；无常见规则复数 A little honey makes the tea sweeter. assistant n. 店员；助手 【搭配】shop assistant 店员；teaching assistant 助教 【转换】assist v. 帮助；assistant n. 助手；assistance n. 帮助 The shop assistant showed us some nice jackets. deal n. 交易；协议 【搭配】a good deal 划算的买卖；make a deal 达成协议；big deal 重要的事 【转换】deal 也可作 v. 处理；dealt 为过去式/过去分词 That computer is a good deal at this price. bill n. 账单 【搭配】pay the bill 付账；electricity bill 电费账单 【转换】常与 pay, check 连用 My father paid the bill after dinner. donate v. 捐赠；赠送 【搭配】donate money/books/clothes 捐钱/书/衣物；donate ... to ... 把……捐给…… 【转换】donation n. 捐赠；donor n. 捐赠者（拓展） Our class donated books to the village school. pound n. 英镑；磅 【搭配】ten pounds 十英镑；two pounds of apples 两磅苹果 【转换】注意一词多义：货币单位/重量单位 This toy costs five pounds in London. cheap adj. 便宜的；廉价的 【搭配】cheap clothes 便宜的衣服；cheap and good 物美价廉 【转换】cheaply adv. 便宜地；cheaper 比较级；cheapest 最高级 These T-shirts are cheap but comfortable. chocolate n. 巧克力；巧克力糖 【搭配】a bar of chocolate 一条巧克力；hot chocolate 热巧克力 【转换】作“巧克力”时多为不可数；作“巧克力糖”时可数 She bought some chocolate for her little brother. pocket n. 衣袋；口袋 【搭配】in one’s pocket 在某人的口袋里；pocket money 零花钱 【转换】常见合成词：pocketbook, pocket money There is some change in my pocket. pocket money n. 零花钱 【搭配】save/spend pocket money 存/花零花钱 【转换】固定短语，不拆开理解更自然 He saves part of his pocket money every month. expectation n. 期待；预期 【搭配】meet one’s expectations 达到某人的期待；high expectations 很高的期望 【转换】expect v. 期待；expected adj. 预料中的；unexpected adj. 出乎意料的 The new shop met our expectations. budget v. 制定预算；n. 预算 【搭配】make a budget 做预算；within the budget 在预算之内；budget for ... 为……做预算 【转换】budget 可兼作动词和名词 We need to budget carefully before the class trip. financial adj. 财务的；财政的；金融的 【搭配】financial problem 财务问题；financial report 财务报告 【转换】finance n./v. 财政；financial adj. His parents gave him some financial advice. in short phr. 总之；简言之 【搭配】常放句首或句中作总结：In short, ... 【转换】近义表达：in a word, to sum up In short, we should spend money wisely. independent adj. 独立的；自主的 【搭配】be independent of ... 不依靠……；independent thinking 独立思考 【转换】independence n. 独立；independently adv. 独立地 Students should learn to be independent. responsible adj. 负责的；有责任心的；可信任的 【搭配】be responsible for ... 对……负责 【转换】responsibility n. 责任；responsibly adv. 负责地（拓展） He is responsible for buying food for the picnic. mess n. 杂乱；脏乱；麻烦 【搭配】make a mess 弄得一团糟；in a mess 乱七八糟 【转换】messy adj. 脏乱的 Your room is in a mess. Please tidy it up. mess up phr. 出错；搞砸；弄乱 【搭配】mess up the plan/room/test 把计划/房间/考试搞砸 【转换】动词短语，可分可不分，代词作宾语常放中间 Don’t mess up your notes before the exam. responsibility n. 责任 【搭配】take responsibility for ... 对……负责；a sense of responsibility 责任感 【转换】responsible adj. 负责的 Doing homework on time is your responsibility. value n. 用途；积极作用；价值 【搭配】be of great value 很有价值；the value of ... ……的价值 【转换】valuable adj. 有价值的；value 也可作 v. 重视（拓展） The book is of great value to young readers. account n. 账户 【搭配】bank account 银行账户；open an account 开户 【转换】accountant n. 会计（拓展） My mother opened a bank account last year. bank n. 银行 【搭配】go to the bank 去银行；at the bank 在银行 【转换】banker n. 银行家（拓展） There is a bank near our school. economics n. 经济学 【搭配】study economics 学习经济学 【转换】economy n. 经济；economic adj. 经济的；economical adj. 节约的 Her brother wants to study economics in the future. whatever pron. 任何事物；无论什么 【搭配】whatever you like 任何你喜欢的东西；whatever happens 无论发生什么 【转换】疑问词 what 的让步式拓展 You may choose whatever you need. economist n. 经济学家 【搭配】a famous economist 一位著名的经济学家 【转换】economics n. → economist n. That economist wrote many books about trade. society n. 社会 【搭配】modern society 现代社会；in today’s society 在当今社会 【转换】social adj. 社会的；socially adv. 在社会上（拓展） Money plays an important part in modern society. trade v. 互相交换；n. 贸易；交易 【搭配】trade with ... 与……做生意；international trade 国际贸易；trade A for B 用A交换B 【转换】trader n. 商人；tradeable/tradable adj. 可交易的（拓展） Countries trade goods with each other. exchange n. 交换；互换 【搭配】in exchange for ... 交换；an exchange student 交换生；make an exchange 交换 【转换】exchange 也可作 v. 交换 I gave him my stamp in exchange for his coin. goods n. 商品；货品 【搭配】produce goods 生产商品；cheap goods 廉价商品 【转换】goods 常用复数形式；不可说 a good 表示“一个商品” The shop sells sports goods and school things. sample n. 样品；试用产品 【搭配】free sample 免费样品；a sample of ... 一份……的样品 【转换】sample 也可作 v. 试用；sampled 过去式 The assistant gave us a free sample of tea. saying n. 谚语；格言；警句 【搭配】as the saying goes 常言道；an old saying 一句老话 【转换】say v. 说 → saying n. 谚语/说法 There is an old saying: Time is money. cost n. 成本；v. 花费；价钱为 【搭配】cost sb. money 某物花费某人多少钱；at low cost 低成本 【转换】过去式和过去分词同形：cost The bike cost me 300 yuan last month. even if conj. 即使；纵然；虽然 【搭配】even if + 从句 【转换】近义：even though I will go on working even if it rains tomorrow. might modal v. 可能；可以 【搭配】might do sth 可能做某事；might be 可能是 【转换】语气比 may 更委婉/不确定 It might rain this afternoon. complete adj. 完全的；彻底的；v. 完成，使完整 【搭配】a complete answer 完整的答案；complete the task 完成任务 【转换】completely adv. 完全地；completion n. 完成（拓展） Please complete the form before you leave. completely adv. 完全地；彻底地 【搭配】completely different 完全不同；completely understand 完全理解 【转换】complete adj./v. → completely adv. I completely forgot his birthday. valuable adj. 很有用的；很重要的；宝贵的 【搭配】valuable advice 宝贵的建议；valuable experience 宝贵的经历 【转换】value n. 价值 → valuable adj. The teacher gave us some valuable advice. pie n. 果馅饼；果馅派 【搭配】apple pie 苹果派 【转换】复数 pies My mother made an apple pie yesterday. pie chart n. 饼形图；饼分图 【搭配】draw/use/read a pie chart 画/使用/解读饼形图 【转换】chart n. 图表；bar chart 条形图 The pie chart shows how students spend their pocket money. percentage n. 百分率；百分比 【搭配】the percentage of ... ……的百分比；a high percentage 很高的比例 【转换】percent n./adj. 百分之……；percentage n. 百分比 A small percentage of the money goes to books. 二、重点词性转换速记 sale ← sell；payment ← pay；assistant ← assist；expectation ← expect；financial ← finance；independent ← independence；responsibility ← responsible；valuable ← value；economist ← economics；completely ← complete；social ← society；wisely ← wise。 三、词性转换与综合运用（50题） 题型说明：根据括号内所给词的适当形式填空。题目按“基础—进阶—拓展”分层编排。 教师版每题后附答案、知识点与简要解析。 基础题 1. The shoes were very ______, so I bought two pairs. (cheap) 答案：cheap 知识点：形容词原级 解析：系动词 were 后接形容词作表语，cheap 本身就是形容词。 2. My father usually pays for everything in ______. (cash) 答案：cash 知识点：名词用法 解析：介词 in 后接名词，固定搭配 pay in cash。 3. The shop ______ many school things every day. (sale) 答案：sells 知识点：名词变动词；一般现在时 解析：根据 every day 可知用一般现在时；sale 的对应动词是 sell，主语 The shop 为第三人称单数，用 sells。 4. Our English teacher gave us a very ______ story yesterday. (value) 答案：valuable 知识点：名词变形容词 解析：修饰名词 story 要用形容词 valuable。 5. He is old enough to be ______ and wash his own clothes. (independence) 答案：independent 知识点：名词变形容词 解析：be 动词后接形容词，independence 要变成 independent。 6. Tom spent all his pocket money, so he had to plan his ______ better. (budget) 答案：budget 知识点：名词用法 解析：his 后接名词，budget 既可作动词也可作名词，这里作名词。 7. The room was in a ______ after the party. (messy) 答案：mess 知识点：形容词变名词 解析：固定搭配 in a mess。 8. There are two new ______ in the supermarket today. (sample) 答案：samples 知识点：名词单复数 解析：two 后接可数名词复数。 9. My sister wants to be a shop ______ during the summer holiday. (assist) 答案：assistant 知识点：动词变名词 解析：表示“助手/店员”用 assistant。 10. This exercise is not difficult. You can ______ it in ten minutes. (complete) 答案：complete 知识点：动词原形 解析：can 后接动词原形。 11. The old man gave all his money to the poor and became a famous ______. (donate) 答案：donor 知识点：词汇拓展 解析：根据句意“捐赠者”应用 donor。 12. The bank clerk checked my ______ carefully. (pay) 答案：payment 知识点：动词变名词 解析：形容词性物主代词 my 后接名词 payment。 13. A good student should have a strong sense of ______. (responsible) 答案：responsibility 知识点：形容词变名词 解析：of 后接名词，固定搭配 a sense of responsibility。 14. The teacher spoke so ______ that everyone could understand him. (complete) 答案：completely 知识点：形容词变副词 解析：修饰动词 spoke 用副词 completely。 15. The apples in that shop are much ______ than those in the mall. (cheap) 答案：cheaper 知识点：形容词比较级 解析：由 than 可知用比较级 cheaper。 16. As the old ______ goes, “Money doesn’t grow on trees.” (say) 答案：saying 知识点：动词变名词 解析：固定表达 as the saying goes。 17. The ______ of boys in our class is 55%. (percent) 答案：percentage 知识点：percent 与 percentage 区分 解析：定冠词 The 后接名词 percentage。 18. The little girl ______ some old books to the library last week. (donation) 答案：donated 知识点：名词变动词；一般过去时 解析：last week 用一般过去时；donation 的动词为 donate，过去式 donated。 19. Please put the coins back into your ______. (pocket) 答案：pocket 知识点：名词用法 解析：your 后接名词 pocket。 20. The boy looked at the pie chart and answered the question ______. (correct) 答案：correctly 知识点：形容词变副词 解析：修饰 answered 用副词 correctly。 进阶题 21. Lucy is ______ for collecting the class money today. (responsibility) 答案：responsible 知识点：名词变形容词 解析：be responsible for 是固定搭配，这里先填 responsible。 22. The children exchanged gifts and talked ______ with one another. (happy) 答案：happily 知识点：形容词变副词 解析：修饰 talked 用 happily。 23. My uncle studies ______, so he often reads books about money and trade. (economic) 答案：economics 知识点：形容词变名词 解析：study 后接学科名词 economics。 24. The tourists bought some local ______ before they left the town. (good) 答案：goods 知识点：形近词辨析 解析：表示“商品”要用复数名词 goods，不是形容词 good。 25. You should think carefully before making a final ______. (decide) 答案：decision 知识点：动词变名词 解析：make a decision 为固定搭配。 26. The little boy messed the room up and his mother looked ______. (angrily) 答案：angry 知识点：副词变形容词 解析：looked 为系动词，后接形容词 angry。 27. If you save money ______, you will have enough for the bike soon. (wise) 答案：wisely 知识点：形容词变副词 解析：修饰 save money 的方式，用 wisely。 28. The new rule has changed our school life ______. (complete) 答案：completely 知识点：形容词变副词 解析：修饰 changed 用副词。 29. My brother might ______ a new account this afternoon. (open) 答案：open 知识点：情态动词用法 解析：might 后接动词原形。 30. The report shows that online ______ is becoming more common. (pay) 答案：payment 知识点：动词变名词 解析：作主语应用名词 payment。 31. Even if it ______ tomorrow, we will still visit the bank museum. (rain) 答案：rains 知识点：从句时态 解析：even if 引导条件/让步状语从句，从句常用一般现在时表将来。 32. This watch is not very expensive, but it is still ______ to me. (value) 答案：valuable 知识点：名词变形容词 解析：be 动词后用形容词 valuable。 33. Our class made a ______ before the school fair and then bought things within it. (budget) 答案：budget 知识点：名词用法 解析：made a budget 固定搭配。 34. The two countries have been trading ______ for many years. (busy) 答案：busily 知识点：形容词变副词 解析：修饰 have been trading，用 busily。 35. He spent all his money ______, so he could not buy the dictionary. (careless) 答案：carelessly 知识点：形容词变副词 解析：修饰 spent 用副词 carelessly。 36. It is our ______ to keep the classroom clean and tidy. (responsible) 答案：responsibility 知识点：形容词变名词 解析：It is one’s responsibility to do sth. 结构。 37. The manager checked whether the information was ______. (complete) 答案：complete 知识点：词性辨析 解析：was 后接形容词 complete，表示“完整的”。 38. The students are talking about the ______ differences between city life and village life. (society) 答案：social 知识点：名词变形容词 解析：修饰 differences 用形容词 social。 39. This maths problem can be solved ______ if you read the pie chart carefully. (easy) 答案：easily 知识点：形容词变副词 解析：修饰 solved，用 easily。 40. My cousin is interested in money matters and wants to become an ______. (economics) 答案：economist 知识点：名词变名词 解析：表示“经济学家”用 economist。 拓展题 41. The girl looked at the price tag in ______ because it was much higher than she expected. (surprising) 答案：surprise 知识点：词性固定搭配 解析：固定短语 in surprise。 42. Although he is only thirteen, he can manage his pocket money ______. (good) 答案：well 知识点：形容词变副词特殊变化 解析：good 的副词是 well。 43. The trip was a ______ success because everyone learned how to make a budget. (complete) 答案：complete 知识点：形容词用法 解析：修饰名词 success，用形容词 complete。 44. Nobody expected the old coins to be so ______. (value) 答案：valuable 知识点：名词变形容词 解析：so 后接形容词 valuable。 45. If you want to be trusted, you should act more ______ in group work. (responsible) 答案：responsibly 知识点：形容词变副词 解析：修饰 act，用 responsibly。 46. The teacher asked us to read the chart and answer the questions ______. (careful) 答案：carefully 知识点：形容词变副词 解析：修饰 answer 的方式。 47. His answer was only ______ right, so the teacher asked him to think again. (part) 答案：partly 知识点：名词变副词 解析：partly 表示“部分地”。 48. The poor family received food and money from many kind ______. (donate) 答案：donors 知识点：动词变名词复数 解析：many 后接复数名词 donors。 49. The speaker ended his talk by saying, “In ______, save first and spend later.” (short) 答案：short 知识点：固定短语 解析：固定搭配 in short。 50. After comparing the two pie charts, we understood the problem much more ______. (deep) 答案：deeply 知识点：形容词变副词 解析：修饰 understood，用副词 deeply。 Unit 3 Money｜单词用法与词性转换专练 学科网（北京）股份有限公司 $