Unit 8 Every Coin Counts! 单元语法（名词后缀-ion、条件状语从句）-2025-2026学年八年级英语下册单元语法精讲精练(新教材仁爱科普版)

Unit 8 Every Coin Counts! 名词后缀-ion、条件状语从句 条件状语从句 if 如果 If you come to the party, you’ll have a great time! unless（if...not） 除非 You will be late again unless you hurry. as / so long as 只要 As/ So long as you study hard, you’ll get good grades. 【注意】 1. 条件状从的时态：①主将从现 ②主情从现 ③主祈从现 核心规则 动词原形 名词形式 -ion 动词直接加 -ion（多以 -ct, -pt, -mit 结尾） 动词直接加 -ion（多以 -ct, -pt, -mit 结尾） act attract connect inject action attraction connection injection -tion 动词以 -t /-te 结尾，变 t 为 tion（去 e 加 -tion） create pollute educate celebrate creation pollution education celebration -sion 动词以 -de /-se/-mit 结尾，d/se 变 sion（拼写常变形） decide divide permit extend decision division permission extension -ation 动词以 -ate 结尾，去 e 加 -ation inform imagine organize translate information imagination organization translation -ition 动词以 -it /-ish 结尾，加 -ition（部分拼写变形） compete define visit recognize competition definition visitation recognition 一、单项选择(本大题共20小题，每小题2分，共40分) 1．Which of the following suffixes is usually used to form a noun? A．-tion B．-less C．-ed D．-ly 2．Which of the following words can’t add -ion to form a noun? A．protect B．paint C．celebrate D．collect 3．Which of the following words can NOT be added the suffix “-ion” to form nouns (名词)? A．act B．meet C．collect D．protect 4．—What are you going to do tomorrow? —We’ll see the sea of clouds in Mount Huangshan if it ________. A．won’t rain B．doesn’t rain C．isn’t raining 5．______ you listen to the teacher carefully in class, you will pass the exam. A．Until B．Although C．If 6．We can achieve our dreams ________ we don’t give up hope in the face of difficulties. A．even though B．as long as C．so that 7．—It is impossible to finish the difficult task in such a short time ________ both of us work together. —No problem. Let’s start! A．if B．but C．unless 8．You can’t use my computer ________ you promise to care for it. A．unless B．until C．if 9．Our teacher always says that our dreams won’t come true ________ we study hard. A．as B．if C．unless 10．—The report said global warming (全球气候变暖) would be more serious. —I think so. ________ we take action, we will lose our home. A．Because B．Unless C．Though 11．________ we talk to someone about our worries, we’ll certainly feel worse. A．When B．Unless C．After 12．You can play the violin well ________ you keep practicing it. A．as long as B．even though C．so that 13．If Tom shares his problems with his good friends, he ________ better. A．will get B．gets C．got 14．—Will you go to Bob’s birthday party? —No. ________ he invites me. A．If B．When C．Unless 15．—English is so difficult for me. —_________ you keep practicing, you will do it better. A．As soon as B．As long as C．Though 16．—Mom, the mid-term exam is coming. I am a little nervous about it. —Don’t be worried. ________ you study hard, you can’t do it badly. A．As long as B．As well as C．As far as 17．Our motherland will be much stronger ________ Chinese work hard together. A．as long as B．because of C．although 18．You will get good grades ________ you work hard. A．so B．but C．if 19．Please call me ________ you arrive at the station early. A．if B．but C．so 20．— We won’t pass the exam ________ we work hard. — That’s why we are trying to prepare for the exam. A．if B．unless C．although 二、单词拼写(本大题共10小题，每小题2分，共20分) 21．Boys and girls! Here is an (introduce) to our school rules. Please be careful not to break them. 22．There is a strong (connect) between hard work and success. 23．The great (invent) has made a lot of useful (invent) in his life. 24．Her face showed an (express) of surprise when she heard the news. 25．Our head teacher always told us to think twice before making a quick . (decide) 26．We can go to the Buddy Club to have many (discuss) with each other. 27．—Air (pollute) is a serious problem for people in modern society. —It’s necessary for us to drive less. 28．I am afraid she will refuse my (invite) because we don’t know each other well. 29．She had a happy (express) on her face when she saw her old friend in the street. 30．He offered me a lot of useful (suggest). I got the job in the end. 三、完成句子(本大题共10小题，每小题4分，共40分) 31．We can’t go for a picnic unless the rain stops this afternoon. (同义句) We can’t go for a picnic the rain stop this afternoon. 32．Little Bob will go to sleep if his mother tells him a story. (同义句doesn’t) Little Bob won’t go to sleep his mother him a story. 33．You will fail the exam if you don’t change your study habits. (保持句意基本不变) You will fail the exam you your study habits. 34．Come to the top, and you’ll enjoy the beautiful scenery. (用if合并为一句) come to the top, you’ll enjoy the beautiful scenery. 35．There will be a basketball game unless it rains. (改为同义句) There will be a basketball game it rain. 36．People can stay safe if they prepare for natural disasters.(用unless改写) People stay safe unless they for natural disasters. 37．只要你从失败中学习，下次你就会做得更好。 you learn from your failure, you will do better next time. 38．If you don’t learn cultural customs, you may make mistakes. (用unless改写) Unless you cultural customs, you may mistakes. 39．如果晚上不下雨，你会看到很多人在广场上跳舞。 You’ll see many people dancing on the square if it at night. 40．只要他们愿意，在这想住多久就住多久。 They’re welcome to stay here they like. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ Unit 8 Every Coin Counts! 名词后缀-ion、条件状语从句 条件状语从句 if 如果 If you come to the party, you’ll have a great time! unless（if...not） 除非 You will be late again unless you hurry. as / so long as 只要 As/ So long as you study hard, you’ll get good grades. 【注意】 1. 条件状从的时态：①主将从现 ②主情从现 ③主祈从现 核心规则 动词原形 名词形式 -ion 动词直接加 -ion（多以 -ct, -pt, -mit 结尾） 动词直接加 -ion（多以 -ct, -pt, -mit 结尾） act attract connect inject action attraction connection injection -tion 动词以 -t /-te 结尾，变 t 为 tion（去 e 加 -tion） create pollute educate celebrate creation pollution education celebration -sion 动词以 -de /-se/-mit 结尾，d/se 变 sion（拼写常变形） decide divide permit extend decision division permission extension -ation 动词以 -ate 结尾，去 e 加 -ation inform imagine organize translate information imagination organization translation -ition 动词以 -it /-ish 结尾，加 -ition（部分拼写变形） compete define visit recognize competition definition visitation recognition 一、单项选择(本大题共20小题，每小题2分，共40分) 1．Which of the following suffixes is usually used to form a noun? A．-tion B．-less C．-ed D．-ly 【答案】A 【详解】句意：下列哪个后缀通常用于构成名词？ 考查构词法。-tion通常用于构成名词；-less通常用于构成形容词，表示“无……的”；-ed通常用于构成动词过去式/过去分词或形容词；-ly通常用于构成副词，修饰动词或形容词。 根据构词法知识可知，-tion是常见的名词后缀，用于将动词转化为名词。故选A。 2．Which of the following words can’t add -ion to form a noun? A．protect B．paint C．celebrate D．collect 【答案】B 【详解】句意：以下哪个单词不能加-ion形成名词？ 考查构词法。protect保护，protection保护；paint用颜料画，painting绘画；celebrate庆祝，celebration庆祝；collect收集，collection收集。paint的名词形式为painting，B项符合。故选B。 3．Which of the following words can NOT be added the suffix “-ion” to form nouns (名词)? A．act B．meet C．collect D．protect 【答案】B 【详解】句意：下列哪个词不能加后缀“-ion”来构成名词？   考查构词法。act行动，加后缀ion构成名词action行动；meet遇见，不能加后缀ion构成名词；collect收集，加后缀ion构成名词collection收集；protect保护，加后缀ion构成名词protection保护。故选B。 4．—What are you going to do tomorrow? —We’ll see the sea of clouds in Mount Huangshan if it ________. A．won’t rain B．doesn’t rain C．isn’t raining 【答案】B 【详解】句意：——你们明天打算做什么？——如果不下雨，我们就去黄山看云海。 考查动词时态。分析句子结构可知，此处是if引导的条件状语从句，遵循“主将从现”原则，即主句是一般将来时，从句用一般现在时表将来，且主语“it”是第三人称单数，所以谓语动词应用三单形式，此处表示“不下雨”，所以用doesn’t rain。故选B。 5．______ you listen to the teacher carefully in class, you will pass the exam. A．Until B．Although C．If 【答案】C 【详解】句意：如果你在课堂上认真听老师讲课，你就会通过考试。 考查连词辨析。Until直到；Although尽管；If如果。根据“you listen to the teacher carefully in class, you will pass the exam.”可知，前半句“认真听讲”是后半句“通过考试”的条件，应使用表示条件的连词If“如果”。故选C。 6．We can achieve our dreams ________ we don’t give up hope in the face of difficulties. A．even though B．as long as C．so that 【答案】B 【详解】句意：只要我们在困难面前不放弃希望，我们就能实现梦想。 考查连词辨析。even though即使；as long as只要；so that以便。根据“we don’t give up hope”和“achieve our dreams”的逻辑关系，此处表示“只要不放弃就能实现梦想”，用“as long as”引导条件状语从句。故选B。 7．—It is impossible to finish the difficult task in such a short time ________ both of us work together. —No problem. Let’s start! A．if B．but C．unless 【答案】C 【详解】句意：——除非我们俩一起合作，否则不可能在这么短的时间内完成这项艰巨的任务。——没问题。我们开始吧！ 考查连词辨析。if如果；but但是；unless除非（相当于“if ... not”）。根据“It is impossible to finish the difficult task in such a short time”可知，指“除非合作，否则无法完成任务”，用unless引导条件状语从句。故选C。 8．You can’t use my computer ________ you promise to care for it. A．unless B．until C．if 【答案】A 【详解】句意：你不能用我的电脑，除非你答应爱护它。 考查连词辨析。unless除非；until直到……为止；if如果。根据“you promise to care for it”可知，此处表示“除非对方答应爱护它才允许使用电脑”，用unless引导的条件状语从句。故选A。 9．Our teacher always says that our dreams won’t come true ________ we study hard. A．as B．if C．unless 【答案】C 【详解】句意：老师总是说假如我们不努力，我们的梦想不会实现。 考查连词辨析。as像，当作，是介词；if假如，连词，引导条件状语从句；unless除非，假如……不，是连词，引导条件状语从句；根据“we study hard.”可知，空处是由unless引导的条件状语从句。故选C。 10．—The report said global warming (全球气候变暖) would be more serious. —I think so. ________ we take action, we will lose our home. A．Because B．Unless C．Though 【答案】B 【详解】句意：——报告称，全球变暖将更加严重。——我想是的。除非我们采取行动，否则我们将失去家园。 考查连词词义辨析。Because因为；Unless除非；Though尽管。根据“...we take action, we will lose our home.”可知，此处指的是除非我们采取行动，否则我们将失去家园，unless符合语境，故选B。 11．________ we talk to someone about our worries, we’ll certainly feel worse. A．When B．Unless C．After 【答案】B 【详解】句意：除非我们和别人谈谈我们的烦恼，否则我们肯定会感觉更糟。 考查连词辨析。when当……时；unless除非；after在之后。根据“we talk to someone about our worries, we’ll certainly feel worse”可知，前半句是后半句的否定条件，用unless引导条件状语从句，故选B。 12．You can play the violin well ________ you keep practicing it. A．as long as B．even though C．so that 【答案】A 【详解】句意：只要你坚持练习，你就能把小提琴拉得很好。 考查连词辨析。as long as只要；even though即使；so that以便。根据“You can play the violin well …you keep practicing it.”可知，“坚持练习”是拉好小提琴的条件，用as long as引导条件状语从句。故选A。 13．If Tom shares his problems with his good friends, he ________ better. A．will get B．gets C．got 【答案】A 【详解】句意：如果汤姆和他的好朋友分享他的问题，他将变得更好。 考查状语从句。will get将会变得，一般将来时；gets一般现在时单三形式；got一般过去时。根据“If Tom shares his problems with his good friends, he...better”可知，此句是if引导的条件状语从句，遵循主将从现原则，主句用一般将来时，故选A。 14．—Will you go to Bob’s birthday party? —No. ________ he invites me. A．If B．When C．Unless 【答案】C 【详解】句意：——你要去Bob的生日宴会吗? ——不，除非他邀请我。 考查连词辨析。if如果；when当……的时候；unless除非。根据“No…he invites me. ”的句意可知，此处表示的是除非他邀请我，我才去他的生日宴会，unless符合语境。故选 C。 15．—English is so difficult for me. —_________ you keep practicing, you will do it better. A．As soon as B．As long as C．Though 【答案】B 【详解】句意：——英语对我来说太难了。——只要你坚持练习，你就会做得更好。 考查从属连词辨析。As soon as一……就；As long as只要；Though虽然。“you keep practicing”是“you will do it better”的条件，用As long as引导条件状语从句，故选B。 16．—Mom, the mid-term exam is coming. I am a little nervous about it. —Don’t be worried. ________ you study hard, you can’t do it badly. A．As long as B．As well as C．As far as 【答案】A 【详解】句意：——妈妈，期中考试要来了。我对此有点紧张。——别担心。只要你努力学习，你就不会做得不好。 考查as long as引导的条件状语从句。as long as只要；as well as和；as far as就……而言。“you study hard”是“you can’t do it badly”的条件，用as long as引导条件状语从句。故选A。 17．Our motherland will be much stronger ________ Chinese work hard together. A．as long as B．because of C．although 【答案】A 【详解】句意：只要中国人共同努力，我们的祖国就会更加强大。 考查连词。as long as只要；because of因为，后加名词短语；although虽然，用于让步状语从句。结合句意，后句是前句的条件，所以用as long as引导条件状语从句，故选A。 18．You will get good grades ________ you work hard. A．so B．but C．if 【答案】C 【详解】句意：如果你努力学习，你会取得好成绩的。 考查连词辨析。so因此；but但是；if如果。根据“you work hard.”可知，这里是由if引导的条件状语从句。故选C。 19．Please call me ________ you arrive at the station early. A．if B．but C．so 【答案】A 【详解】句意：如果你早到车站，请给我打电话。 考查连词辨析。if如果；but但是；so因此。分析句子可知，“you arrive at the station early”是“Please call me”的条件，故应用if连接，引导条件状语从句。故选A。 20．— We won’t pass the exam ________ we work hard. — That’s why we are trying to prepare for the exam. A．if B．unless C．although 【答案】B 【详解】句意：——除非我们努力学习，否则我们不会通过考试。——这就是我们努力准备考试的原因。 考查连词辨析。if如果；unless除非，如果不；although虽然。根据“we work hard”是“We won’t pass the exam”的否定条件可知，此处用unless引导条件状语从句，故选B。 二、单词拼写(本大题共10小题，每小题2分，共20分) 21．Boys and girls! Here is an (introduce) to our school rules. Please be careful not to break them. 【答案】introduction 【详解】句意：同学们！这里是对我们学校规章制度的一则介绍。请务必注意不要违反它们。an后接以元音音素开头的可数名词单数。introduce是动词，意为“介绍”，其名词形式introduction符合语境。故填introduction。 22．There is a strong (connect) between hard work and success. 【答案】connection 【详解】句意：努力工作和成功之间有很强的联系。connect“连接；联系”，是动词，此处需要名词作主语，其名词形式是connection“联系；关联”，且根据“a”可知，用单数形式。故填connection。 23．The great (invent) has made a lot of useful (invent) in his life. 【答案】 inventor inventions 【详解】句意：这位伟大的发明家在他一生中创造了很多有用的发明。句中缺少主语，此处主语为“发明家”，inventor意为“发明家”，由“has”可知，此处用可数名词单数；第二个题空表示“发明”，inventions意为“发明”，可数名词，“a lot of”修饰可数名词的复数形式。故填inventor；inventions。 24．Her face showed an (express) of surprise when she heard the news. 【答案】expression 【详解】句意：当她听到这个消息时，脸上露出了惊讶的神情。express“表达”是动词；空处前有不定冠词an，后接可数名词单数，express的名词是expression“表情”。故填expression。 25．Our head teacher always told us to think twice before making a quick . (decide) 【答案】decision 【详解】句意：我们校长总是告诉我们做快速的决定之前三思而后行。由“making a quick...”可知，此处用名词，结合提示词decide可知应该是decision，“决定”。故填decision。 26．We can go to the Buddy Club to have many (discuss) with each other. 【答案】discussions 【详解】句意：我们可以去伙伴俱乐部，彼此之间进行多次讨论。分析句子可知，“many”修饰可数名词复数形式，“discuss”的名词形式为“discussion”，其复数为“discussions”。故填discussions。 27．—Air (pollute) is a serious problem for people in modern society. —It’s necessary for us to drive less. 【答案】pollution 【详解】句意：——空气污染对于现代社会的人们来说是很严重的问题。——我们有必要少开车。此空作主语应用“pollute”的名词形式“pollution”。故填pollution。 28．I am afraid she will refuse my (invite) because we don’t know each other well. 【答案】invitation 【详解】句意：我担心她会拒绝我的邀请，因为我们彼此不太了解。此空前有形容词性物主代词“my”修饰，因此应用“invite”的名词“invitation”，作“refuse”的宾语。故填invitation。 29．She had a happy (express) on her face when she saw her old friend in the street. 【答案】expression 【详解】句意：当她在街上看到她的老朋友时，她脸上露出了幸福的表情。express“表达”，动词，此处应用名词形式作宾语，表示“表情”；其名词形式为expression。故填expression。 30．He offered me a lot of useful (suggest). I got the job in the end. 【答案】suggestions 【详解】句意：他给了我很多有用的建议，我最终得到了这份工作。分析句子结构可知，此处应使用名词作offer的宾语，suggest的名词形式为suggestion，表示“建议”，为可数名词。根据“a lot of”可知，此处应使用其复数形式。故填suggestions。 三、完成句子(本大题共10小题，每小题4分，共40分) 31．We can’t go for a picnic unless the rain stops this afternoon. (同义句) We can’t go for a picnic the rain stop this afternoon. 【答案】 if doesn’t 【详解】句意：除非今天下午雨停，否则我们不能去野餐。根据要求可知，此处要改为同义句，所以应改为“如果今天下午雨下不停，那我们不能去野餐”，if翻译成“如果”，don’t/doesn’t stop翻译成“下不停”，主语为the rain则其之后的谓语动词要用单数形式doesn’t。故填if；doesn’t。 32．Little Bob will go to sleep if his mother tells him a story. (同义句doesn’t) Little Bob won’t go to sleep his mother him a story. 【答案】 unless tells 【详解】句意：小鲍勃只要他妈妈给他讲个故事就会去睡觉。根据要求可知，此处改为同义句，所以改为“小鲍勃不肯睡觉，除非他的妈妈给他讲个故事”，“除非”翻译为unless，“讲”翻译为tell，此句时态为一般现在时，放在主语his mother之后则其谓语动词应为单数形式tells。故填unless；tells。 33．You will fail the exam if you don’t change your study habits. (保持句意基本不变) You will fail the exam you your study habits. 【答案】 unless change 【详解】句意：如果你不改变学习习惯，考试将会不及格。“if you don’t…”（如果不……）可转换为“unless you…”（除非你……），此处“unless”引导条件状语从句，从句用一般现在时“change”。故填unless；change。 34．Come to the top, and you’ll enjoy the beautiful scenery. (用if合并为一句) come to the top, you’ll enjoy the beautiful scenery. 【答案】 If you 【详解】句意：来到山顶，你会欣赏到美丽的风景。用if合并为一句，应用if引导条件状语从句，从句可表达为“如果你来到山顶”，you“你”，作主语。故填If；you。 35．There will be a basketball game unless it rains. (改为同义句) There will be a basketball game it rain. 【答案】 if doesn’t 【详解】句意：如果不下雨，就会有一场篮球赛。同义句转换，原句“unless it rains”意为“除非下雨”，可转换为条件句“if it doesn’t rain”（如果不下雨），两者均表示“下雨”是比赛举行的否定条件。故填if；doesn’t。 36．People can stay safe if they prepare for natural disasters.(用unless改写) People stay safe unless they for natural disasters. 【答案】 can’t prepare 【详解】句意：如果人们为自然灾害做好准备，他们就能保持安全。用unless表示“除非”改写时，需将原句的肯定含义转为否定逻辑，即“人们不能保持安全，除非他们为自然灾害做好准备”。原句为一般现在时，主语they后用动词原形prepare。故填can’t；prepare。 37．只要你从失败中学习，下次你就会做得更好。 you learn from your failure, you will do better next time. 【答案】 As long as 【详解】根据中英文对照可知，此处缺少“只要”，as long as“只要”，引导条件状语从句，且位于句首，首字母要大写。故填As；long；as。 38．If you don’t learn cultural customs, you may make mistakes. (用unless改写) Unless you cultural customs, you may mistakes. 【答案】 learn make 【详解】句意：除非你学习文化习俗，否则你可能会犯错。“If you don’t learn”和“Unless you learn”表示“如果你不学习/除非你学习”，unless引导的条件状语从句用一般现在时表将来，主语you后接动词原形learn，may是情态动词，后接动词原形make。故填learn；make。 39．如果晚上不下雨，你会看到很多人在广场上跳舞。 You’ll see many people dancing on the square if it at night. 【答案】 doesn’t rain 【详解】根据中英文对照可知，此处缺少“不下雨”。本句为if引导的条件状语从句，遵循“主将从现”原则，doesn’t“不”，助动词表示否定，置于it后，助动词用第三人称单数形式，rain“下雨”，助动词后用动词原形。故填doesn’t；rain。 40．只要他们愿意，在这想住多久就住多久。 They’re welcome to stay here they like. 【答案】as long as 【详解】对比中英文可知，空格处缺少“只要……就……” ，其对应的英文表达为as long as，引导条件状语从句，表示“只要 (满足某个条件)”，用来连接“他们可以留在这”和“他们愿意”这两个条件关系。故填as long as。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $