第03讲 时间、条件和原因状语从句-【暑假自学课】2024年新九年级英语暑假提升精品讲义（牛津译林版）

第03讲 时间、条件和原因状语从句(预习九上) 模块一 思维导图串知识 模块二 基础知识全梳理（吃透教材） 模块三 教材习题学解题 模块四 核心考点精准练 模块五 小试牛刀过关测 1．掌握并正确使用时间状语从句、条件状语从句和原因状语从句。 在复合句中，做状语成分的从句叫状语从句。 常见的状语从句可分为：时间、条件、地点、原因、方式、让步、比较、结果、目的等从句，由不同的引导词引导。 状语从句 时间状语从句 when当..时 while当..时 until直到/not … until直到..才 since自从 before在…之前 after在…之后 as soon as一…就… 条件状语从句 if如果 unless除非 原因状语从句 because因为 since因为，既然 as因为 考点一：时间状语从句 引导词 用法 例句 when when引导的时间状语从句中既可接延续性动词，也可接非延续性动词，多用一般过去时 They were talking happily when I walked past the door.当我从门前走过，他们正在开心地聊天。 while while强调主句和从句动作同时发生，所引导的时间状语从句只能用延续性动词，多用进行时态。 My mother was cooking while I was doing my homework. 当妈妈在做饭的时候，我在做作业。 not … until 主句的谓语动词为非延续性动词，主句要用否定式，从句用肯定式。 The bus won’t start until everybody gets on. 公共汽车直到每个人都上车才会发动。 since 主句谓语动词一般用现在完成时，从句谓语动词一般用一般过去时。 Five yeas has passed since we saw each other last time. 距离我们上次见面已经五年过去了。 before before 引导的从句表示主句的动作发生在从句动作之前。 We turned off the light before we left. 我们在离开前关了灯。 after after 引导的从句表示主句的动作发生在从句动作之后。 He went to bed after he finished his work. 他做完工作后就去睡觉了。 as soon as 若主句为一般将来时，从句常用一般现在时表将来。 I will tell him the news as soon as I see him. 我一看见他，就会告诉他这个消息。 考点二：条件状语从句 条件状语从句的引导词主要有if和unless，两者可转换。 在条件状语从句中，从句常用一般现在时表将来，即主将从现。 如：You will fail the exam if you don’t work hard.=You will fail the exam unless you work hard. 如果不努力学习，你考试会不及格的。 考点三：原因状语从句 原因状语从句的引导词有because，since，as等。 注意：1. because和so不能同时使用。 如：He didn’t come to school yesterday because he was ill. 他昨天没来上学，因为他生病了。 2. since引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然” 如：since everyone is here, let’s start.既然大家都到期了，我们就开始吧。 1. ___________ 2. ___________ 3. ___________ 4. ___________ 5. ___________ 1. ___________ 2. ___________ 3. ___________ 4. ___________ 5. ___________ 6. ___________ 7. ___________ 1. ___________ 2. ___________ 3. ___________ 4. ___________ 5. ___________ 6. ___________ 7. ___________ 8. ___________ 9. ___________ 10. ___________ 11. ___________ 12. ___________ 考点一：时间状语从句 1．（23-24九年级上·江苏泰州·期末）I was about to go out _________ the telephone rang, but it hung up _________ I could answer it. A．when; before B．while; as C．when; as D．while; after 2．（22-23九年级上·江苏南通·期末）I will do what I can about these problems ________ all of them are solved out. A．whenever B．as soon as C．after D．until 3．（22-23九年级上·江苏无锡·期末）________ we were born, a huge question was in front of us: how do we spend our life? A．As well as B．As good as C．As soon as D．As long as 4．（22-23九年级上·江苏南通·期中）—I want to go to the concert later on. Would you like to join me? —With pleasure. ________ I finish the work, I’ll call you. A．As B．Until C．After D．Since 5．（22-23九年级上·江苏南通·期中）—How about taking the underground to the city center? —Good idea. I’ve never taken the new underground ________ it came into use. A．when B．before C．after D．since 考点二：条件状语从句 6．（23-24九年级上·江苏常州·期末）You can’t feel the beauty of the poems ________ you read them aloud. A．since B．if C．unless D．though 7．（23-24九年级上·江苏泰州·期末）—I’m uncomfortable to stay in this hotel. —I think you should complain ________ you are happy with their service. A．unless B．because C．until D．though 8．（23-24九年级上·上海浦东新·期末）Sorry sir, your order ________ if you fail to pay for it in 15 minutes. A．canceled B．is canceled C．was canceled D．will be canceled 9．（22-23九年级上·江苏南京·期末）I don’t know if it ________ next Friday. If it ________, we won’t hold the Sports Meeting. A．will rain; rains B．rains; rains C．will rain; will rain D．rains; will rain 10．（22-23九年级上·江苏徐州·期末）________ you keep living in the past, you can’t fully live in the present. A．Until B．Unless C．Though D．If 考点三：原因状语从句 11．（21-22九年级上·江苏淮安·期末）—Why do you like listening to music? —________ it makes me feel relaxed. A．Because of B．Because C．Since D．As 12．（23-24九年级上·江西吉安·期末）—Do you like traveling by plane? —Not at all, ________ I have to wait for long before it takes off. A．until B．though C．because D．unless 13．（23-24九年级上·江苏扬州·期末）—What shall we do to kill time? —Well, ________ it is Star Cinema’s half-price day, why not go to watch a film? A．since B．whether C．although D．until 15．（22-23九年级上·江苏常州·期末）________ you didn’t answer my call, I left a message on WeChat. A．If B．As C．While D．Before 16．（2023·江苏南通·中考真题）________ you can’t work out the problem, perhaps you need to ask your classmates for help. A．Unless B．Though C．Since D．Whether 17．（2023·江苏常州·中考真题）As we live in a rapidly developing world, we will be left behind ________ we keep learning. A．unless B．if C．after D．though 18．（2023·江苏宿迁·中考真题）Miss Xu goes jogging in Huanghe Park every morning ________ it rains. A．unless B．till C．since D．as 19．（2024·江苏南京·二模）Most people usually can’t understand parents’ love ________ they have their own children. A．if B．since C．until D．because 20．（2024·上海长宁·二模）My friend Kitty made a telephone call to me ________ she arrived in Shanghai yesterday. A．now that B．so that C．as long as D．as soon as 21．（2024·江苏无锡·三模）My grandpa often tells me we must work hard to get more knowledge ________ we are young. A．since B．while C．if D．until 22．（2024·江苏南通·二模）—How long will the meeting last? —Until an agreement ________. A．reaches B．is reached C．will reach D．will be reached 23．（2024·江苏无锡·二模）—What a nice meal! —I can’t agree more. I ate ________ I couldn’t stand. A．until B．after C．when D．unless 24．（2024·江苏常州·二模）It has been much easier for us to take trips around at the weekend ________ the high-speed railway was put into use in 2023 in Jintan. A．when B．after C．since D．until 25．（2024·江苏扬州·一模）You never really knew a man ________ you stood in his shoes and walked around in them. A．since B．as C．until D．if 26．（2024·江苏淮安·一模）China’s first AI cartoon in history Qianqiu shisong (千秋诗颂) caught people’s attention ________ it made its first appearance this February on CCTV 1. A．in order that B．not until C．as soon as D．so that 27．（2024·江苏宿迁·三模）As we live in a rapidly developing world, we will be left behind we keep learning. A．unless B．if C．until D．though 28．（2024·江苏无锡·三模）— Betty, you look so fit. Do you take exercise all the time? — Yeah. I won’t feel happy ________ I play sports every day. A．if B．unless C．though D．since 29．（2024·江苏宿迁·二模）Don’t lose heart. If you keep working hard, you some day. A．succeed B．succeeded C．will succeed D．have succeeded 30．（2024·江苏常州·二模）________ you have a spirit of exploring, you will never be able to discover those unknown corners. A．Since B．If C．Unless D．After 31．（2024·江苏南京·一模）________ you always compare yourself with others, you’ll never feel good enough. A．If B．Unless C．Though D．Because 32．（2024·江苏宿迁·一模）—The pear and orchid blossoms in Santai Mountain Forest Park are so beautiful that I can’t wait to see them. —Let’s go if it __________ tomorrow. A．won’t rain B．doesn’t rain C．will rain D．rains 33．（2024·江苏无锡·一模）What a hot day! Food will go bad quickly ________ we put it into the fridge. A．before B．although C．while D．unless 34．（2024·安徽黄山·一模）—Look at what you have done! —Sorry, but if I ________ another chance, I can do it better. A．give B．will give C．am given D．will be given 35．（2024·上海宝山·一模）Your education will be incomplete ________ you have practical life skills. A．if B．although C．because D．unless 36．（2024·江苏镇江·二模）More teachers are willing to receive AI training. ________ AI technology in helping with teaching becomes more and more popular. A．or B．unless C．because D．though 37．（2024·江苏南京·三模）English is my favorite subject ________ it’s very interesting. A．if B．though C．whether D．as 38．（2024·江苏南通·二模）—It’s said that Beijing Duck is very delicious. —Well, ________ we are here, why not have a try? A．though B．unless C．since D．before 39．（2024·江苏宿迁·二模）The athlete received a lot of cheers from the audience _________ she won the champion in the final. A．because B．though C．so that D．even if 40．（2024·江苏镇江·一模）—It is said that the famous snack smelly toufu in Changsha tastes strange! —________ we have been here, why not give it a try? A．Since B．When C．If D．Though 二、用所给词的正确形式填空 41．（2024·江苏无锡·一模）—What if I fail the test? —Take it easy. Let’s worry about it when it (happen). 42．（2024·江苏无锡·三模）He has been an English teacher since he (graduate) from the university. 43．（2024·江苏无锡·二模）Billy has decided not to share his report unless he (ask) to. 44．（2024·辽宁辽阳·二模）If I (not be) busy tomorrow , I will go hiking with you . 45．（2024·甘肃天水·二模）It’s natural that you (feel) nervous when you give a speech in front of so many people. ( 2 )原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 $$ 第03讲 时间、条件和原因状语从句(预习九上) 模块一 思维导图串知识 模块二 基础知识全梳理（吃透教材） 模块三 教材习题学解题 模块四 核心考点精准练 模块五 小试牛刀过关测 1．掌握并正确使用时间状语从句、条件状语从句和原因状语从句。 在复合句中，做状语成分的从句叫状语从句。 常见的状语从句可分为：时间、条件、地点、原因、方式、让步、比较、结果、目的等从句，由不同的引导词引导。 状语从句 时间状语从句 when当..时 while当..时 until直到/not … until直到..才 since自从 before在…之前 after在…之后 as soon as一…就… 条件状语从句 if如果 unless除非 原因状语从句 because因为 since因为，既然 as因为 考点一：时间状语从句 引导词 用法 例句 when when引导的时间状语从句中既可接延续性动词，也可接非延续性动词，多用一般过去时 They were talking happily when I walked past the door.当我从门前走过，他们正在开心地聊天。 while while强调主句和从句动作同时发生，所引导的时间状语从句只能用延续性动词，多用进行时态。 My mother was cooking while I was doing my homework. 当妈妈在做饭的时候，我在做作业。 not … until 主句的谓语动词为非延续性动词，主句要用否定式，从句用肯定式。 The bus won’t start until everybody gets on. 公共汽车直到每个人都上车才会发动。 since 主句谓语动词一般用现在完成时，从句谓语动词一般用一般过去时。 Five yeas has passed since we saw each other last time. 距离我们上次见面已经五年过去了。 before before 引导的从句表示主句的动作发生在从句动作之前。 We turned off the light before we left. 我们在离开前关了灯。 after after 引导的从句表示主句的动作发生在从句动作之后。 He went to bed after he finished his work. 他做完工作后就去睡觉了。 as soon as 若主句为一般将来时，从句常用一般现在时表将来。 I will tell him the news as soon as I see him. 我一看见他，就会告诉他这个消息。 考点二：条件状语从句 条件状语从句的引导词主要有if和unless，两者可转换。 在条件状语从句中，从句常用一般现在时表将来，即主将从现。 如：You will fail the exam if you don’t work hard.=You will fail the exam unless you work hard. 如果不努力学习，你考试会不及格的。 考点三：原因状语从句 原因状语从句的引导词有because，since，as等。 注意：1. because和so不能同时使用。 如：He didn’t come to school yesterday because he was ill. 他昨天没来上学，因为他生病了。 2. since引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然” 如：since everyone is here, let’s start.既然大家都到期了，我们就开始吧。 答案：1. when 2. until/till 3. When/Before 4. whenever 5. Since/After 答案：1. as 2. Since 3. Since 4. as 5. because 6. As 7. because 答案：1. is in danger 2. will attack 3. is hungry 4. will catch 5. are thirsty 6. will walk 7. will hunt 8. live in the wild 9. will live 10. have babies 11.will protect 12.is danger 考点一：时间状语从句 1．（23-24九年级上·江苏泰州·期末）I was about to go out _________ the telephone rang, but it hung up _________ I could answer it. A．when; before B．while; as C．when; as D．while; after 【答案】A 【详解】句意：电话铃响时我正要出去，但我还没来得及接就挂断了。 考查连词辨析。when当……时，可与延续性动词连用；before在……之前；while在……期间，表示一段时间；as一边……一边……，后面的动作和主句的动作同时发生；after在……之后。be about to do…when…“正要做……这时……”，固定用法，故第一空填when；第二空填before符合语境，指的是“还没来得及”。故选A。 2．（22-23九年级上·江苏南通·期末）I will do what I can about these problems ________ all of them are solved out. A．whenever B．as soon as C．after D．until 【答案】D 【详解】句意：我会尽我所能解决这些问题，直到所有问题都得到解决。 考查连词辨析。whenever无论何时；as soon as一……就……；after之后；until直到。根据“all of them are solved out.”可知，会尽力解决问题，直到所以问题都被解决，故选D。 3．（22-23九年级上·江苏无锡·期末）________ we were born, a huge question was in front of us: how do we spend our life? A．As well as B．As good as C．As soon as D．As long as 【答案】C 【详解】句意：我们一出生，一个巨大的问题就摆在我们面前：我们如何度过一生？ 考查连词辩词。As well as以及；As good as和……一样好；As soon as一……就……；As long as只要。根据“...we were born, a huge question was in front of us”可知，此处表达我们一出生一个巨大的问题就摆在我们面前，应用as soon as连接引导时间状语从句。故选C。 4．（22-23九年级上·江苏南通·期中）—I want to go to the concert later on. Would you like to join me? —With pleasure. ________ I finish the work, I’ll call you. A．As B．Until C．After D．Since 【答案】C 【详解】句意：——我稍后想去听音乐会。你愿意和我一起吗？——非常乐意。我完成工作后，我会打电话给你。 考查从属连词辨析。As当……的时候；Until直到……时；After在……之后；Since自从。根据“…I finish the work, I’ll call you.”可知，此处指的是做完工作后，会给你打电话，空处应用after引导的时间状语从句。故选C。 5．（22-23九年级上·江苏南通·期中）—How about taking the underground to the city center? —Good idea. I’ve never taken the new underground ________ it came into use. A．when B．before C．after D．since 【答案】D 【详解】句意：——乘地铁去市中心怎么样？——好主意。自从新的地铁投入使用以来，我从未乘坐过它。 考查从属连词。when何时；before在……以前；after在……以后；since自从……以来。观察题干可知，这是主从复合句，含有一个时间状语从句。主句使用的是现在完成时，从句使用的是一般过去时。根据“it came into use”可知，用since连接符合语境，故选D。 考点二：条件状语从句 6．（23-24九年级上·江苏常州·期末）You can’t feel the beauty of the poems ________ you read them aloud. A．since B．if C．unless D．though 【答案】C 【详解】句意：除非你大声朗读否则你无法感受到这些诗的美。 考查连词。since自从；if如果，引导条件状语从句；unless除非，引导条件状语从句；though尽管，引导让步状语从句。根据“You can’t feel the beauty of the poems...you read them aloud.”可知，后句是前句的否定条件，应用unless引导条件状语从句。故选C。 7．（23-24九年级上·江苏泰州·期末）—I’m uncomfortable to stay in this hotel. —I think you should complain ________ you are happy with their service. A．unless B．because C．until D．though 【答案】A 【详解】句意：——我待在这家旅馆很不舒服。——我认为你应该投诉，除非你对他们的服务满意。 考查从属连词辨析。unless除非，如果不；because因为；until直到；though尽管。根据“you are happy with their service.”是“you should complain”的否定条件，用unless引导条件状语从句。故选A。 8．（23-24九年级上·上海浦东新·期末）Sorry sir, your order ________ if you fail to pay for it in 15 minutes. A．canceled B．is canceled C．was canceled D．will be canceled 【答案】D 【详解】句意：对不起，先生，如果您在15分钟内不付款，您的订单将被取消。 考查条件状语从句和被动语态。根据“if you fail to…”可知，此句属于含if引导的条件状语从句的复合句，遵循主将从现原则，从句谓语“fail to pay for…”为一般现在时，则主句应用一般将来时；主句主语your order与动词cancel逻辑上存在动宾关系，应用被动语态，所以此处应用一般将来时的被动语态，其结构是will be done。故选D。 9．（22-23九年级上·江苏南京·期末）I don’t know if it ________ next Friday. If it ________, we won’t hold the Sports Meeting. A．will rain; rains B．rains; rains C．will rain; will rain D．rains; will rain 【答案】A 【详解】句意：我不知道下个周五是否下雨。如果下雨，我们将不举行运动会。 考查动词的时态。在前句中if引导宾语从句，意思是“是否”，结合时间状语next Friday可知，要用一般将来时。在后句中if引导条件状语从句，意思是“如果”，主句是一般将来时，从句用一般现在时，主语是第三人称单数，谓语动词用第三人称单数形式。故选A。 10．（22-23九年级上·江苏徐州·期末）________ you keep living in the past, you can’t fully live in the present. A．Until B．Unless C．Though D．If 【答案】D 【详解】句意：如果你继续活在过去，你就不能彻底活在当下。 考查连词辨析。Until直到……为止，引导时间状语从句；Unless除非，引导条件状语从句，含有否定意义；Though虽然，尽管，引导让步状语从句；If如果，引导条件状语从句。根据“you keep living in the past”可知，此处的从句表示肯定假设。故选D。 考点三：原因状语从句 11．（21-22九年级上·江苏淮安·期末）—Why do you like listening to music? —________ it makes me feel relaxed. A．Because of B．Because C．Since D．As 【答案】B 【详解】句意：——你为什么喜欢听音乐？——因为它让我感到放松。 考查从属连词。Because of因为，后跟短语；Because因为，后跟句子；Since既然；As由于。根据“Why do you like listening to music? ”可知，Why提问的特殊疑问句询问原因，需要使用Because回答。故选B。 12．（23-24九年级上·江西吉安·期末）—Do you like traveling by plane? —Not at all, ________ I have to wait for long before it takes off. A．until B．though C．because D．unless 【答案】C 【详解】句意：——你喜欢坐飞机旅行吗？  ——一点也不，因为我得等很久才能起飞。 考查连词辨析。until直到；though尽管；because因为；unless除非。根据“I have to wait for long before it takes off.”可知，此处表原因。故选C。 13．（23-24九年级上·江苏扬州·期末）—What shall we do to kill time? —Well, ________ it is Star Cinema’s half-price day, why not go to watch a film? A．since B．whether C．although D．until 【答案】A 【详解】句意：——我们该做什么来消磨时间呢？——好吧，既然今天是星空影院的半价日，为什么不去看电影呢？ 考查从属连词辨析。since既然，因为（引导原因状语从句）；whether是否；although尽管（引导让步状语从句）；until直到（引导时间状语从句）。根据“…it is Star Cinema’s half-price day, why not go to watch a film”可知因为今天是星空影院的半价日，所以建议一起去看电影。故选A。 14．（23-24九年级上·安徽芜湖·期末）I don’t have to introduce her to you ________ you know the girl. A．until B．unless C．since D．whenever 【答案】C 【详解】句意：既然你认识那个女孩，我就不必把她介绍给你了。 考查连词辨析。until直到；unless除非；since既然；whenever无论何时。根据“you know the girl.”可知，因为已经认识那个女孩，所以就不必介绍了，应用since引导原因状语从句，故选C。 15．（22-23九年级上·江苏常州·期末）________ you didn’t answer my call, I left a message on WeChat. A．If B．As C．While D．Before 【答案】B 【详解】句意：由于你没有接我的电话，所以我在微信上留言了。 考查连词辨析。If如果；As由于，因为；While当……的时候；Before在……以前。根据“...you didn’t answer my call, I left a message on WeChat.”可知，因为对方没接电话，所以我才在微信上留言，前半句是后半句的原因，因此“As”符合语境。故选B。 16．（2023·江苏南通·中考真题）________ you can’t work out the problem, perhaps you need to ask your classmates for help. A．Unless B．Though C．Since D．Whether 【答案】C 【详解】句意：既然你解不出这道题，也许你需要向你的同学求助。 考查连词辨析。Unless除非；Though尽管；Since既然，由于；Whether是否。“you can’t work out the problem”是向同学求助的原因，用Since引导原因状语从句。故选C。 17．（2023·江苏常州·中考真题）As we live in a rapidly developing world, we will be left behind ________ we keep learning. A．unless B．if C．after D．though 【答案】A 【详解】句意：我们生活在一个快速发展的世界里，除非我们不断学习，否则我们将被落在后面。 考查连词辨析。unless除非；if如果；after在……之后；though虽然。“we keep learning”是“we will be left behind”的否定条件，用unless引导条件状语从句。故选A。 18．（2023·江苏宿迁·中考真题）Miss Xu goes jogging in Huanghe Park every morning ________ it rains. A．unless B．till C．since D．as 【答案】A 【详解】句意：除非下雨，徐小姐每天早上都去黄河公园慢跑。 考查连词辨析。unless除非；till直到……为止；since自从；as因为。“it rains”是“徐小姐每天早上都去黄河公园慢跑”的否定条件，用unless引导条件状语从句。故选A。 19．（2024·江苏南京·二模）Most people usually can’t understand parents’ love ________ they have their own children. A．if B．since C．until D．because 【答案】C 【详解】句意：大多数人直到有了自己的孩子才懂得父母的爱。 考查连词辨析。if如果；since自从；until直到；because因为。根据“Most people usually can’t understand parents’ love ... they have their own children.”可知，直到自己有了孩子，才懂得父母的爱，用until引导时间状语从句。故选C。 20．（2024·上海长宁·二模）My friend Kitty made a telephone call to me ________ she arrived in Shanghai yesterday. A．now that B．so that C．as long as D．as soon as 【答案】D 【详解】句意：昨天我的朋友基蒂一到上海就给我打了个电话。 考查连词辨析。now that既然；so that为了；as long as只要；as soon as一……就……。根据“My friend Kitty made a telephone call to me…she arrived in Shanghai yesterday”可知，前后句的两个动作几乎同时发生，应用as soon as引导时间状语从句。故选D。 21．（2024·江苏无锡·三模）My grandpa often tells me we must work hard to get more knowledge ________ we are young. A．since B．while C．if D．until 【答案】B 【详解】句意：我爷爷经常告诉我，我们必须趁着年轻努力学习，获得更多的知识。 考查连词辨析。since自从；while当……时；if如果；until直到……为止。根据“My grandpa often tells me we must work hard to get more knowledge...we are young.”可知，趁着正年轻，我们必须努力学习获得更多知识，此处应用while引导时间状语从句。故选B。 22．（2024·江苏南通·二模）—How long will the meeting last? —Until an agreement ________. A．reaches B．is reached C．will reach D．will be reached 【答案】B 【详解】句意：——会议要持续多长时间？——直到达成协议为止。 考查一般现在时的被动语态。until引导时间状语时，从句用一般现在时；此处主语与reach是被动关系，因此从句用一般现在时的被动语态，故选B。 23．（2024·江苏无锡·二模）—What a nice meal! —I can’t agree more. I ate ________ I couldn’t stand. A．until B．after C．when D．unless 【答案】A 【详解】句意：——多么美味的一顿饭！——我完全同意。我一直吃直到吃不下去。 考查连词辨析。until直到；after在……之后；when当；unless除非。根据“I ate...I couldn’t stand”可知饭菜很美味，所以是一直吃，直到自己吃不下，用until引导。故选A。 24．（2024·江苏常州·二模）It has been much easier for us to take trips around at the weekend ________ the high-speed railway was put into use in 2023 in Jintan. A．when B．after C．since D．until 【答案】C 【详解】句意：自2023年高铁在金坛投入使用以来，我们周末出行变得容易多了。 考查连词辨析。when当……时；after在……之后；since自从；until直到。结合语境及“It has been much easier for us to…”可知，主句时态为现在完成时，此处表示过去某个时间点开始的动作持续到现在的影响，应用since引导时间状语从句。故选C。 25．（2024·江苏扬州·一模）You never really knew a man ________ you stood in his shoes and walked around in them. A．since B．as C．until D．if 【答案】C 【详解】句意：直到你站在一个人的立场上，你才会真正了解他。 考查连词辨析。since自从，既然；as当……时候，由于，正如；until直到；if如果。根据空前后的句子可知，此处主从句符合结构not…until“直到……才”，主句否定词为“never”，故选C。 26．（2024·江苏淮安·一模）China’s first AI cartoon in history Qianqiu shisong (千秋诗颂) caught people’s attention ________ it made its first appearance this February on CCTV 1. A．in order that B．not until C．as soon as D．so that 【答案】C 【详解】句意：今年2月，中国历史上第一部人工智能动画片《千秋诗颂》在央视1台首次亮相就引起了人们的关注。 考查连词辨析。in order that为了，后跟句子；not until直到……才；as soon as一……就……；so that以便，为了。根据“caught people’s attention ... it made its first appearance this February on CCTV 1”可知，应是一亮相就引起了人们的关注，所以用as soon as引导时间状语从句，故选C。 27．（2024·江苏宿迁·三模）As we live in a rapidly developing world, we will be left behind we keep learning. A．unless B．if C．until D．though 【答案】A 【详解】句意：由于我们生活在一个快速发展的世界，除非我们不断学习，否则我们将被甩在后面。 考查连词辨析。unless除非；if如果；until直到……为止；though尽管。分析句子结构可知，“we keep learning”是“we will be left behind”的否定条件，应用unless引导条件状语从句。故选A。 28．（2024·江苏无锡·三模）— Betty, you look so fit. Do you take exercise all the time? — Yeah. I won’t feel happy ________ I play sports every day. A．if B．unless C．though D．since 【答案】B 【详解】句意：——贝蒂，你看上去很健康。你一直锻炼吗？——是的，除非我每天都做运动，否则我不会感到快乐。 考查从属连词辨析。if如果；unless除非；though尽管；since自从。由“I won’t feel happy”可知，句子后半句意思为“除非我每天都做运动”。故选B。 29．（2024·江苏宿迁·二模）Don’t lose heart. If you keep working hard, you some day. A．succeed B．succeeded C．will succeed D．have succeeded 【答案】C 【详解】句意：不要灰心。如果你继续努力，将来某一天你会成功的。 考查if引导的条件状语从句。succeed成功，动词原形；succeeded动词过去式；will succeed一般将来时；have succeeded过去完成时。if表示“如果”时遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时；空格处于主句位置，故用一般将来时。故选C。 30．（2024·江苏常州·二模）________ you have a spirit of exploring, you will never be able to discover those unknown corners. A．Since B．If C．Unless D．After 【答案】C 【详解】句意：除非你有探索的精神，否则你永远无法发现那些未知的角落。 考查连词辨析。Since因为；If如果；Unless除非……；After在……之后。根据“...you will never be able to discover those unknown corners.”可知，前句是后句的否定条件，所以用unless引导条件状语从句，故选C。 31．（2024·江苏南京·一模）________ you always compare yourself with others, you’ll never feel good enough. A．If B．Unless C．Though D．Because 【答案】A 【详解】句意：如果你总是拿自己和别人比较，你永远不会觉得自己足够好。 考查连词辨析。if如果；unless除非；though尽管；because因为。根据“you always compare yourself with others, you’ll never feel good enough.”可知，前句是后句的条件，应用if引导条件状语从句，故选A。 32．（2024·江苏宿迁·一模）—The pear and orchid blossoms in Santai Mountain Forest Park are so beautiful that I can’t wait to see them. —Let’s go if it __________ tomorrow. A．won’t rain B．doesn’t rain C．will rain D．rains 【答案】B 【详解】句意：——三台山森林公园里的梨花和兰花太美了，我都等不及要去看了。——如果明天不下雨，我们就去看。 考查条件状语从句。根据“that I can’t wait to see them.”以及“if it…tomorrow.”可知，应该说如果不下雨，就去看。该句是if引导的条件状语从句，从句使用一般现在时，主语是it，否定句借助助动词doesn’t。故选B。 33．（2024·江苏无锡·一模）What a hot day! Food will go bad quickly ________ we put it into the fridge. A．before B．although C．while D．unless 【答案】D 【详解】句意：真热的一天呀！食物将很快变质，除非我们把它放在冰箱。 考查连词辨析。before在……之前；although尽管；while当……时候；unless除非。根据“we put it into the fridge.”可知空后表示否定的条件，用unless引导条件状语从句。故选D。 34．（2024·安徽黄山·一模）—Look at what you have done! —Sorry, but if I ________ another chance, I can do it better. A．give B．will give C．am given D．will be given 【答案】C 【详解】句意：——看看你做了什么！——对不起，但是如果再给我一次机会，我会做得更好。 考查被动语态和时态。根据分析句子可知，本句主语是I，谓语动词是give，主谓之间是被动关系，应用被动语态，并且本句是if引导的条件状语从句，主句为含有情态动词，从句用一般现在时。故选C。 35．（2024·上海宝山·一模）Your education will be incomplete ________ you have practical life skills. A．if B．although C．because D．unless 【答案】D 【详解】句意：除非你有实际的生活技能，否则你的教育是不完整的。 考查连词词义辨析。if如果，引导条件状语从句；although虽然，尽管，引导让步状语从句；because因为，引导原因状语从句；unless除非，如果不，引导条件状语从句。根据句意可知，“受教育完整”的条件是“有实际的生活技能”，if和unless引导条件状语从句。当某个条件为真时，后面的动作或结果会发生，用if引导条件状语从句。当某个条件不成立时，后面的动作或结果才会发生，用unless引导条件状语从句。unless在意义上相当于“if...not...”，选项D符合语境。故选D。 36．（2024·江苏镇江·二模）More teachers are willing to receive AI training. ________ AI technology in helping with teaching becomes more and more popular. A．or B．unless C．because D．though 【答案】C 【详解】句意：更多的老师愿意去接受AI培训，因为AI科技在辅助教学方面变得越来越受欢迎。 考查连词辨析。or或者；unless除非；because因为；though尽管。根据“AI technology...becomes more and more popular.”可知空后的句子表示老师选择AI培训的原因，用because引导原因状语从句，故选C。 37．（2024·江苏南京·三模）English is my favorite subject ________ it’s very interesting. A．if B．though C．whether D．as 【答案】D 【详解】句意：英语是我最喜欢的科目，因为它非常有趣。 考查连词。if如果；though虽然；whether是否；as因为。横线后解释原因，所以是as。故选D。 38．（2024·江苏南通·二模）—It’s said that Beijing Duck is very delicious. —Well, ________ we are here, why not have a try? A．though B．unless C．since D．before 【答案】C 【详解】句意：——据说北京烤鸭很好吃。——好吧，既然我们在这里，为什么不试一试呢？ 考查连词辨析。though尽管；unless除非；since既然；before“在……之前”。根据“we are here, why not have a try”可知，既然在北京，就该去试试北京烤鸭，此处应用since引导原因状语从句。故选C。 39．（2024·江苏宿迁·二模）The athlete received a lot of cheers from the audience _________ she won the champion in the final. A．because B．though C．so that D．even if 【答案】A 【详解】句意：那名运动员收到了来自观众的无数欢呼，因为她在决赛中赢得了冠军。 考查连词辨析。because因为；though尽管；so that以便于；even if即使。分析前后句关系可知“she won the champion in the final”是“The athlete received a lot of cheers from the audience”的原因，因此应用“because”引导原因状语从句。故选A。 40．（2024·江苏镇江·一模）—It is said that the famous snack smelly toufu in Changsha tastes strange! —________ we have been here, why not give it a try? A．Since B．When C．If D．Though 【答案】A 【详解】句意：——据说长沙有名的小吃臭豆腐吃起来怪怪的！——既然我们在这里，为什么不试试呢？ 考查连词辨析。Since既然；When当……时；If如果；Though虽然。根据“why not give it a try?”可知，此处是指既然我们在这里，为什么不去试试，用since引导原因状语从句。故选A。 二、用所给词的正确形式填空。 41．（2024·江苏无锡·一模）—What if I fail the test? —Take it easy. Let’s worry about it when it (happen). 【答案】happens 【详解】句意：——如果我测试失败了怎么办？——放轻松。等它发生的时候再担心吧。根据“Let’s worry about it when it…”可知，此处指等事情发生了再说，when引导的时间状语从句，从句用一般现在时，it作主语，谓语动词应用第三人称单数形式；happen“发生”，动词，其三单形式为happens。故填happens。 42．（2024·江苏无锡·三模）He has been an English teacher since he (graduate) from the university. 【答案】graduated 【详解】句意：自从他大学毕业以来他一直是一名英语老师。since引导的时间状语从句，主句为现在完成时，从句时态用一般过去时，graduate“毕业”，过去式为graduated。故填graduated。 43．（2024·江苏无锡·二模）Billy has decided not to share his report unless he (ask) to. 【答案】is asked 【详解】句意：比利决定不去分享他的报告，除非他被要求这样做。unless引导条件状语从句，从句用一般现在时，he与ask之间是被动关系，用被动语态，主语是he，be动词用is。故填is asked。 44．（2024·辽宁辽阳·二模）If I (not be) busy tomorrow , I will go hiking with you . 【答案】am not 【详解】句意：如果明天我不忙，我将和你一起去远足。这是if引导的条件状语从句，遵从“主将从现”的原则，主句用一般将来时，从句则用一般现在时。I是第一人称，否定形式是I am not。故填I am not。 45．（2024·甘肃天水·二模）It’s natural that you (feel) nervous when you give a speech in front of so many people. 【答案】will feel 【详解】句意：当你在如此多人前面做演讲时你将会感到紧张是自然的。根据when引导的时间状语从句遵循主将从现，所以主句是将来时，所以将feel变为will feel。故填will feel。 ( 2 )原创精品资源学科网独家享有版权，侵权必究！ 学科网（北京）股份有限公司 $$