专题3 状语从句-2025年高考英语二轮复习【重难点·易错点】查漏补缺（天津专用）

专题3 状语从句 状语从句类型及连词梳理 时间状语从句 since, until，hardly…before…, while, when, before, as soon as, the moment, by the time, hardly…when, no sooner…than 等 地点状语从句 where, wherever 原因状语从句 because, as, since, for, now that, in that, seeing that等 结果状语从句 so/such that, such/so…that… 目的状语从句 so that, in order that, in case, for fear that…, 让步状语从句 even if, even though, though, although, while, as; whoever, whichever, whatever, whomever, whenever, wherever, however, no matter+wh- 比较状语从句 than, as/so…as... not so…as, the more…the more… 条件状语从句 if, unless, on (the) condition that, providing/ provided (that), as/ so long as, suppose/ supposing (that), what if, in case, given that, considering that 方式状语从句 as, as if, as though 重难点知识梳理 1. 时间状语从句 (1) till, until 常可换用，但 till 一般不用于句首。 主句为肯定句且谓语动词为延续性动词，含义为“直到” I slept and slept until mum came back. →翻译：________________________________。 主句为否定句且谓语动词为瞬间性动词，含义为“直到……才……”。 I didn’t wake up until mum came back. →翻译：_______________________________。 与强调句结合时，not until 不分开，即 It is/ was not until…that… It was not until we were in trouble that we took measures/ steps. →我们直到陷入麻烦才采取措施。 用于倒装时，Not until___________________________________________________. (2)by the time“到…为止” by the time 引导从句，谓语动词为一般现在时， 主句谓语动词为_______________; by the time引导从句，谓语动词为一般过去时，主句谓语动词为_________________ We _____________ (keep) in touch with each other by the time we graduated last year. I ________________(treat) him to dinner by the time he comes back tomorrow. (3)the moment/ second/ minute/ instant 一…就… directly, immediately, instantly hardly…when…; no sooner…than… (时态注意：had hardly done…when did…; had no sooner done…than did…) I had hardly entered the classroom when I fell on the floor.（用倒装句改写） =_______________________________________________________________________ (4)关于time的连接词：the first time, the second time, (the) last time, (the) next time, every time, each time I considered her enthusiastic the first time I met her. (5)时间状语从句的固定句式 It is/has been +时间段since… “自从……已经一段时间了” It will be / was +时间段 before… “要过多久…..就……；过了多久…….才……” It is/was+具体时间when… “当……时，具体时间为……” 填入合适的词，使句子完整 It _____________ five years since he lost weight. It will be several days before they __________ (get) down to a new project. It was November 5 ___________ he made up his mind to resign his job. 2．让步状语从句 (1) although, though, while和as 表示“虽然” While/although/Though she was tired, she continued to work late into the night. =She continued to work into the night while/although/though she was tired. 当as表示“虽然”时，要用倒装,，though也可以用于倒装句。 Child/though as he is, he knows a lot about computers. 虽然他是个孩子，他懂很多计算机的知识。 Much as/though I would like to help you, I am too busy at the moment. 虽然我很想帮助你，但是我现在太忙了。 (2) wh-ever与no matter +wh-区别 whatever, whichever, whoever, whomever既可以引导名词性从句，也可以引导让步状语从句。 当引导让步状语从句时，可以替换为_____________________________ whenever, wherever, however只能引导让步状语从句，可以替换为________________________________ ________________________difficulty they confront, they can overcome them bravely and confidently. I will choose the candidates from _____________________________submitted his application form online. ________________________________ I go, my daughter always follows me. _________________________________ busy he is, he always spares some time to accompany his family. 3. when 用法 1 表示“当”，“主将从现”的时态一致 误：I won’t go to the party tomorrow evening unless Li Ling will be invited. 正：I won’t go to the party tomorrow evening unless Li Ling is invited. 解析：在when, as soon as, until等引导的时间状语从句和由if与unless引导的条件状语从句中，当主句是一般将来时，从句常用一般现在时表示将来时间。 2 表示“在这时，在那时” 结构：be about to do…when…/be doing…when…/had done…when…/be on the point of doing…when… He had just fallen asleep __________ the teacher woke him up. She was about to start cooking dinner___________ she realized that she had run out of ingredients. 4. while 用法 写出句中while的含义 Listen carefully while you read the passage. _____________ While it’s raining, we can still have a picnic inside. __________________ While some people enjoy working from home, others find it challenging. _________________ 5. as 用法 写出句中as的含义 1 引导时间状语从句，_________ As time goes by, people increasingly depend on artificial intelligence. 2 引导原因状语从句，_________ As it began to rain, you had better bring an umbrella. 3 引导方式状语从句，_________ You should operate the machine as I told you to. 4 引导让步状语从句，_________ Clever as you are, you should also learn some basic knowledge. 5 引导定语从句，_____________ As is often the case with children, they have much curiosity when young. 6. 状语从句的省略 状语从句省略：当从句的主语与主句的主语一致时或从句主语为it，且从句中出现be动词时，状语从句中的主语和be 动词可以省略掉。 1 When he was walking into the forest, he felt the amazing scenery. = When ____________ into the forest, he felt the amazing scenery. 2 Although the soldier was surrounded, he didn’t surrender. =Although _____________, he didn’t surrender. 3 I am not sure when I am to start the project. =I am not sure when ____________ the project. ④ If it is necessary, I will call you for help. = ________________, I will call you. 真 题 演 练 1．（2023·天津·高考真题）_________ you are old enough to make your own judgement, you should start to pursue your career. A． Even if B．As though C Ever since D Now that 2．（2023·天津·高考真题）________our hobbies, the Internet can connect us with others who enjoy the same hobbies, even if they live on the other side of the world. A．However B．Whatever C Wherever D Whichever 3．（2022·天津·高考真题）________ gardening may be hard physical work, those who love it find it very relaxing mentally. A Although B Once C Since D Unless 4．（2022·天津·高考真题）________ we achieve great success in our work, we should not be too proud. A Ever since B Even if C In case D．As though 5．（2021·天津·高考真题）Feeling fearful is healthy ________ it helps you slow down and evaluate risks properly. A because B until C before D although 6．（2021·天津·高考真题）We all need to get involved in saving energy ________ it's at work, at home, or at school. A unless B once C whether D because 7．（2020·天津·高考真题）—Why do people like pop music? I hate it so much. —______ it is not your style, that doesn’t mean it is bad. A Only if B Even though C Now that D In case 8．（2020·天津·高考真题）__________ he could give her sympathy, any practical help was almost beyond him. A If B Since C Although D Until 9．（2019·天津·高考真题）Tom is so independent that he never asks his parents’ opinion ________ he wants their support. A since B once C unless D after 10．（2019·天津·高考真题）Watch out for injuries while exercising. Always stop you begin to feel any pain. A in order that B even if C ever since D as soon as 11．（2018·天津·高考真题）Make sure you save all your work on screen___ the computer breaks down. A in case B as if C so that D even though 模 拟 试 题 1．（2024·天津河北·二模）Scientists have discovered that it is hundreds of years ______ plastic breaks down, whereas for paper, the period is much shorter. A．when B．before C．since D．after 2．（2024·天津南开·二模）It was several days _________ I found that I had lost my watch. A．as B．before C．since D．when 3．（2024·天津河东·二模）________ you have the chance to prove your abilities, why not make full use of it? A．Even if B．Now that C．So that D．As long as 4．（2024·天津·二模）With new technology developing rapidly, electronic products can become out of date ______you even figure out how they are operated. A．before B．since C．as D．when 5．（2024·天津·二模）You should bring your jacket with you __________ the weather takes a turn and becomes cold later. A．so that B．as if C．in case D．even if 6．（2024·天津·一模）______ the job takes a significant amount of time, most students agree that the experience is worth it. A．If only B．In that C．Although D．In case 7．（2024·天津·二模）______ there is a specific date for World Mental Health Day, it is often celebrated over the course of a week. A．When B．As C．Since D．While 8．（2024·天津·二模）With my father’s guidance and encouragement, I learned how to ride a bike ________ I knew it. A．when B．until C．as D．before 9．（2024·天津河西·三模）______ we try our best, there’s no need to feel regret for these failures. A．Now that B．Even though C．As though D．So long as 10．（2024·天津·模拟预测）The government has taken some measures to reduce traffic accidents, but it may be some time ______ the situation improves. A．since B．when C．unless D．before 11．（2024·天津北辰·三模）As a policeman, Robert Moody saw ______ there was violence, drugs were always behind it. A．unless B．where C．as D．whether 12．（2024·天津滨海新·三模）______ hobbies can’t bring tangible material benefits, they enrich people’s inner world. A．While B．Unless C．Once D．As 13．（2024·天津·二模）As usual, I went to work on foot that day _______ it was raining heavily. A．so that B．as though C．in case D．even though 14．（2024·天津南开·一模）I can’t go to the party tonight, ________ I have to work late. A．even though B．as if C．in that D．ever since 15．（2024·天津·一模）I’ll see you at the theater you call me to say you’re not coming. A．because B．unless C．since D．if 16．（2024·天津河北·一模）Please ensure you have a backup of all your documents ________ the system upgrade encounters unexpected issues. A．even if B．as if C．ever since D．in case 17．（2024·天津河东·一模）Bravery doesn’t mean doing something you are good at but only means you insist on doing it ______you feel scared. A．now that B．as if C．even though D．in case 18．（2024·天津和平·一模）We had better take a spare blanket with us ______ it gets cooler than we expect in the mountains. A．if only B．so that C．in case D．even though 19．（2023·天津·二模）________ the Montgolfier brothers took flight in balloons in the 18th century, air travel was not practical until the invention of powered flight in 1903. A．When B．Since C．If D．While 20．（2023·天津河西·三模）______ he is a boy difficult to get on with sometimes, I quite like him. A．Since B．While C．Until D．When 21．（2023·天津·二模）________ the economy enters a “new normal” and growth slows, China’s economy will rely more on creativity to drive its growth. A．Although B．As C．Before D．Until 22．（2023·天津滨海新·三模）It’s worth noticing that________the media promotes, teenagers always follow it. A．whatever B．whichever C．however D．whenever 23．（2023·天津滨海新·三模）________ChatGPT, an advanced AI chatbot, can interact in a conversational way, it still struggles to be completely accurate with its responses. A．Since B．Unless C．Once D．Although 24．（2023·天津·一模） you have finished your work, you can give yourself more time to watch Netflix or have a special dessert. You’ve earned it! A．Before B．Once C．Although D．Until 25．（2023·天津河北·二模）The elderly patients still prefer the traditional way, ________ online booking system is supposed to be convenient and fast. A．when B．although C．because D．unless 26．（2023·天津·二模）If you are facing a difficult task, try breaking it into small steps________you can finish it more easily. A．in case B．so that C．even if D．now that 27．（2023·天津和平·二模）You can learn enough first aid knowledge in a few minutes—________ it’s from reading a book, attending a course or watching videos online. A．when B．as C．whether D．once 28．（2023·天津河西·二模）Many people believe we are heading for an environmental disaster ________ we basically change the way we live. A．but B．though C．unless D．in case 29．（2023·天津南开·一模）Why do so many students stick to private  tutoring, ________ they could easily master such knowledge at school? A．unless B．before C．when D．until 30．（2023·天津·一模）—Do you know a new shopping mall opened in our town yesterday? —Yes. Why don’t we pay a visit ______ we have time? A．since B．though C．until D．unless 2 学科网（北京）股份有限公司 $$ 专题3 状语从句 状语从句类型及连词梳理 时间状语从句 since, until，hardly…before…, while, when, before, as soon as, the moment, by the time, hardly…when, no sooner…than 等 地点状语从句 where, wherever 原因状语从句 because, as, since, for, now that, in that, seeing that等 结果状语从句 so/such that, such/so…that… 目的状语从句 so that, in order that, in case, for fear that…, 让步状语从句 even if, even though, though, although, while, as; whoever, whichever, whatever, whomever, whenever, wherever, however, no matter+wh- 比较状语从句 than, as/so…as... not so…as, the more…the more… 条件状语从句 if, unless, on (the) condition that, providing/ provided (that), as/ so long as, suppose/ supposing (that), what if, in case, given that, considering that 方式状语从句 as, as if, as though 重难点知识梳理 1. 时间状语从句 (1) till, until 常可换用，但 till 一般不用于句首。 主句为肯定句且谓语动词为延续性动词，含义为“直到” I slept and slept until mum came back. →翻译：我睡啊睡直到妈妈回来。 主句为否定句且谓语动词为瞬间性动词，含义为“直到……才……”。 I didn’t wake up until mum came back. →翻译：直到妈妈回来我才醒。 与强调句结合时，not until 不分开，即 It is/ was not until…that… It was not until we were in trouble that we took measures/ steps. →我们直到陷入麻烦才采取措施。 用于倒装时，Not until we were in trouble did we take measures. (2)by the time“到…为止” by the time 引导从句，谓语动词为一般现在时， 主句谓语动词为将来完成时; by the time引导从句，谓语动词为一般过去时，主句谓语动词为过去完成时 We had kept (keep) in touch with each other by the time we graduated last year. I will have treated_(treat) him to dinner by the time he comes back tomorrow. (3)the moment/ second/ minute/ instant 一…就… directly, immediately, instantly hardly…when…; no sooner…than… (时态注意：had hardly done…when did…; had no sooner done…than did…) I had hardly entered the classroom when I fell on the floor.(用倒装句改写） =Hardly had I entered the classroom when I fell on the ground. (4)关于time的连接词：the first time, the second time, (the) last time, (the) next time, every time, each time I considered her enthusiastic the first time I met her. (5)时间状语从句的固定句式 It is/has been +时间段since… “自从……已经一段时间了” It will be / was +时间段 before… “要过多久…..就……；过了多久…….才……” It is/was+具体时间when… “当……时，具体时间为……” 填入合适的词，使句子完整 It has been / be five years since he lost weight. It will be several days before they get (get) down to a new project. It was November 5 when he made up his mind to resign his job. 2．让步状语从句 (1) although, though, while和as 表示“虽然” While/although/Though she was tired, she continued to work late into the night. =She continued to work into the night while/although/though she was tired. 当as表示“虽然”时，要用倒装,，though也可以用于倒装句。 Child/though as he is, he knows a lot about computers. 虽然他是个孩子，他懂很多计算机的知识。 Much as/though I would like to help you, I am too busy at the moment. 虽然我很想帮助你，但是我现在太忙了。 (2) wh-ever与no matter +wh-区别 whatever, whichever, whoever, whomever既可以引导名词性从句，也可以引导让步状语从句。 当引导让步状语从句时，可以替换为no matter what/which/who/whom; whenever, wherever, however只能引导让步状语从句，可以替换为no matter when/where/how Whatever/ No matter what difficulty they confront, they can overcome them bravely and confidently. I will choose the candidates from whoever submitted his application form online. Wherever/No matter where I go, my daughter always follows me. However/No matter how busy he is, he always spares some time to accompany his family. 3. when 用法 1 表示“当”，“主将从现”的时态一致 误：I won’t go to the party tomorrow evening unless Li Ling will be invited. 正：I won’t go to the party tomorrow evening unless Li Ling is invited. 解析：在when, as soon as, until等引导的时间状语从句和由if与unless引导的条件状语从句中，当主句是一般将来时，从句常用一般现在时表示将来时间。 2 表示“在这时，在那时” 结构：be about to do…when…/be doing…when…/had done…when…/be on the point of doing…when… He had just fallen asleep when the teacher woke him up. She was about to start cooking dinner when she realized that she had run out of ingredients. 4.while 用法 写出句中while的含义 Listen carefully while you read the passage. 当 While it’s raining, we can still have a picnic inside.虽然 While some people enjoy working from home, others find it challenging. 然而 4. as 用法 写出句中as的含义 1 引导时间状语从句，“当；随着” As time goes by, people increasingly depend on artificial intelligence. 2 引导原因状语从句，“因为” As it began to rain, you had better bring an umbrella. 3 引导方式状语从句，“像……一样” You should operate the machine as I told you to. 4 引导让步状语从句，“虽然” Clever as you are, you should also learn some basic knowledge. 5 引导定语从句，“正如” As is often the case with children, they have much curiosity when young. 6. 状语从句的省略 状语从句省略：当从句的主语与主句的主语一致时或从句主语为it，且从句中出现be动词时，状语从句中的主语和be 动词可以省略掉。 ①When he was walking into the forest, he felt the amazing scenery. = When walking into the forest, he felt the amazing scenery. 3 Although the soldier was surrounded, he didn’t surrender. =Although surrounded, he didn’t surrender. 4 I am not sure when I am to start the project. =I am not sure when to start the project. 5 If it is necessary, I will call you for help. = If necessary, I will call you. 真 题 演 练 1．（2023·天津·高考真题）_________ you are old enough to make your own judgement, you should start to pursue your career. A． Even if B．As though C Ever since D Now that 【答案】D 【详解】考查原因状语从句。句意：既然你已经长大了，可以自己做判断了，你应该开始追求你的事业了。A. Even if即使；B. As though好像；C. Ever since自从；D. Now that既然。根据“you should start to pursue your career.”可知，主从句之间为因果关系，所以此处使用“既然”符合逻辑，表示“既然你已经长大，有能力自己做判断”，故选D项。 2．（2023·天津·高考真题）________our hobbies, the Internet can connect us with others who enjoy the same hobbies, even if they live on the other side of the world. A．However B．Whatever C Wherever D Whichever 【答案】B 【详解】考查状语从句。句意：无论我们的爱好是什么，互联网都可以把我们和世界另一端有相同爱好的人联系起来。A. However 然而；B. Whatever 无论什么；C. Wherever 无论哪里；D. Whichever 无论哪一个。________our hobbies 为省略句，其完整句子为________ our hobbies are，从句缺少表语，指物，所以whatever引导让步状语从句，表示“无论什么”。故选 B。 3．（2022·天津·高考真题）________ gardening may be hard physical work, those who love it find it very relaxing mentally. A Although B Once C Since D Unless 【答案】A 【详解】考查让步状语从句。句意：虽然园艺有可能是艰难的体力工作，但是对于那些热爱园艺的人来讲，它却是脑力上的放松。A. Although尽管；B. Once一……就……；C. Since自从；D. Unless除非。由语意可知，“园艺是项艰难的体力工作”与“对于热爱园艺的人而言，园艺工作是脑力上的放松”之间是让步关系，所以此处应用连词although表让步。故选A项。 4．（2022·天津·高考真题）________ we achieve great success in our work, we should not be too proud. A Ever since B Even if C In case D．As though 【答案】B 【详解】考查状语从句。句意：即使在工作中取得巨大成功，我们也不应该骄傲。A. Ever since自从；B. Even if即使，尽管；C. In case以免；D. As though好像。分析句子结构可知，此处为连词引导状语从句，结合句意可知，两个句子之间为让步关系，even if意为“即使，尽管”符合语境。故选B项。 5．（2021·天津·高考真题）Feeling fearful is healthy ________ it helps you slow down and evaluate risks properly. A because B until C before D although 【答案】A 【详解】考查连词词义辨析。句意：感到恐惧是有益于健康的，因为它能帮助你慢下来，正确评估风险。A. because因为；B. until直到；C. before在……之前；D. although虽然。根据语境，主句提到healthy（有益于健康的），连词引导的从句部分则在具体描述为何说是有益于健康的，这是一个原因状语从句，适用because（因为）引导，故选A。 6．（2021·天津·高考真题）We all need to get involved in saving energy ________ it's at work, at home, or at school. A unless B once C whether D because 【答案】C 【详解】考查状语从句连接词词义辨析。句意：无论是在工作中，在家里，还是在学校，我们都需要参与到节约能源的活动中来。A.unless除非；B.once 一旦；C.whether无论；是否；D.because 因为。分析句子，该空需要一个连词引导让步状语从句，根据句意及后面的or ，需要表示“无论是…还是…”，whether符合题意。故选C项。 7．（2020·天津·高考真题）—Why do people like pop music? I hate it so much. —______ it is not your style, that doesn’t mean it is bad. A Only if B Even though C Now that D In case 【答案】B 【详解】 考查连词词义辨析。句意:--人们为什么喜欢流行音乐?我非常讨厌它。--即使这不是你的风格，也不意味着它不好。A. Only if只有在……的时候；B. Even though即使，尽管；C. Now that既然；D. In case以防，万一。前半句说:它不是你的风格；后半句说:这并不意味着流行音乐不好。很明显，前后两句之间是转折关系，空处引导让步状语从句。故选B。 8．（2020·天津·高考真题）__________ he could give her sympathy, any practical help was almost beyond him. A If B Since C Although D Until 【答案】C 【详解】考查状语从句。句意：虽然他能给她同情，但是他几乎无法提供任何实际的帮助。前后文是转折关系，故用although引导的让步状语从句，if引导条件状语从句；since引导时间状语从句和原因状语从句；until引导时间状语从句。故选C。 9．（2019·天津·高考真题）Tom is so independent that he never asks his parents’ opinion ________ he wants their support. A since B once C unless D after 【答案】C 【详解】考查连词辨析。句意：汤姆是如此独立，以至于他从来不征求父母的意见，除非他想得到他们的支持。A. since既然；B. once一旦；C. unless除非；D. after在……之后。故选C符合语境。 10．（2019·天津·高考真题）Watch out for injuries while exercising. Always stop you begin to feel any pain. A in order that B even if C ever since D as soon as 【答案】D 【详解】考查连词辨析。句意：运动时要小心受伤。一旦你开始感到疼痛，就立即停止。A. in order that为了；B. even if尽管；C. ever since自从；D. as soon as一旦。故D选项正确。 11．（2018·天津·高考真题）Make sure you save all your work on screen___ the computer breaks down. A in case B as if C so that D even though 【答案】A 【详解】考查状语从句。。句意：确保你把所有的工作都保存在屏幕上，以防电脑坏掉。A. in case万一；B. as if 好像；C. so that为了---；D. even though即使此处是in case引导的条件状语从句，故答案为A。 模 拟 试 题 1．（2024·天津河北·二模）Scientists have discovered that it is hundreds of years ______ plastic breaks down, whereas for paper, the period is much shorter. A．when B．before C．since D．after 【答案】B 【详解】考查连词辨析。句意：科学家们发现塑料需要数百年才能分解，而纸的分解周期要短得多。A. when当……时候；B. before在……之前；C. since自从；D. after在……之后。空处引导时间状语从句，为连词词性；根据句意，塑料分解之前有数百年的时间，故应用before。故选B。 2．（2024·天津南开·二模）It was several days _________ I found that I had lost my watch. A．as B．before C．since D．when 【答案】B 【详解】考查固定句型和连词。句意：过了几天我才发现我的手表丢了。“It was+时间段+before...”是固定句型，意为“过了多久才……”，before引导时间状语从句。故选B项。 3．（2024·天津河东·二模）________ you have the chance to prove your abilities, why not make full use of it? A．Even if B．Now that C．So that D．As long as 【答案】B 【详解】考查连词词义辨析。句意：既然你有机会证明你的能力，为什么不充分利用它呢？A. Even if尽管；B. Now that既然；C. So that以便，为了；D. As long as只要。根据句意可知，此处为连词Now that“既然”引导的原因状语从句，满足句意要求。故选B项。 4．（2024·天津·二模）With new technology developing rapidly, electronic products can become out of date ______you even figure out how they are operated. A．before B．since C．as D．when 【答案】A 【详解】考查连词词义辨析。句意：随着新技术的迅速发展，电子产品甚至在你弄清楚它们是如何操作之前就已经过时了。A. before在……以前；B. since自……以来；C. as因为；D. when当……时。根据前文“With new technology developing rapidly”以及后文“you even figure out how they are operated.”可知，此处表达“你弄清楚它们是如何操作之前就已经过时了”，用before引导。故选A项。 5．（2024·天津·二模）You should bring your jacket with you __________ the weather takes a turn and becomes cold later. A．so that B．as if C．in case D．even if 【答案】C 【详解】考查连接词词义辨析。句意：你应该带上一件夹克，以防过会儿变天，天气会冷。A. so that以至于；B. as if好像；C. in case以防万一；D. even if即使。根据句意，带上夹克的目的就是为了防止天气变冷，in case符合题意，故选C项。 6．（2024·天津·一模）______ the job takes a significant amount of time, most students agree that the experience is worth it. A．If only B．In that C．Although D．In case 【答案】C 【详解】考查连词词义辨析。句意：虽然这份工作需要花费大量的时间，但大多数学生都认为这份经历是值得的。A. If only如果……就好了；B. In that因为，由于；C. Although尽管；D. In case以防万一。根据句意可知，此处为连词Although表示“尽管，虽然”引导的让步状语从句，满足句意要求。故选C项。 7．（2024·天津·二模）______ there is a specific date for World Mental Health Day, it is often celebrated over the course of a week. A．When B．As C．Since D．While 【答案】D 【详解】考查连词词义辨析。句意：虽然世界精神卫生日有具体的日期，但庆祝活动通常持续一周。A. When当……时；B. As因为；C. Since自从；D. While尽管。前文“there is a specific date for World Mental Health Day”和后文“it is often celebrated over the course of a week”构成转折关系，所以应用连词while表示“尽管”，引导让步状语从句。as表示“尽管”时句子应用部分倒装结构，不符合题意。故选D。 8．（2024·天津·二模）With my father’s guidance and encouragement, I learned how to ride a bike ________ I knew it. A．when B．until C．as D．before 【答案】D 【详解】考查状语从句。句意：在父亲的指导和鼓励下，我不知不觉地学会了骑自行车。A. when当……时；B. until直到；C. as因为；D. before在……之前。分析句子结构可知，此处是时间状语从句。before sb. knew it表示“不知不觉中；在自知之前”。故选D项。 9．（2024·天津河西·三模）______ we try our best, there’s no need to feel regret for these failures. A．Now that B．Even though C．As though D．So long as 【答案】D 【详解】考查状语从句。句意：只要我们尽了最大的努力，就没有必要为这些失败感到后悔。A.  Now that既然；B. Even though即使；C. As though好像；D. So long as只要。引导条件状语从句，表示“只要”应用so long as。故选D。 10．（2024·天津·模拟预测）The government has taken some measures to reduce traffic accidents, but it may be some time ______ the situation improves. A．since B．when C．unless D．before 【答案】D 【详解】考查固定句型和连词词义辨析。句意：政府已采取了一些措施来减少交通事故，但情况好转可能还需要一段时间。A. since自从；B. when当……的时候；C. unless除非；D. before在……之前。由“The government has taken some measures to reduce traffic accidents, but”可知，句子表示“政府已采取了一些措施来减少交通事故，但情况好转可能还需要一段时间”，it be some time before...是固定句型，意为“要过一段时间才能……”，因此空格处是before，引导时间状语从句。故选D。 11．（2024·天津北辰·三模）As a policeman, Robert Moody saw ______ there was violence, drugs were always behind it. A．unless B．where C．as D．whether 【答案】B 【详解】考查连词词义辨析。句意：作为一名警察，罗伯特·穆迪看到哪里有暴力，哪里就有毒品。A.unless除非；B. where 在哪里；C.as因为； D. whether是否。根据句意可知，伯特·穆迪看到哪里有暴力，哪里就有毒品，所以空处应用where引导地点状语从句。故选B项。 12．（2024·天津滨海新·三模）______ hobbies can’t bring tangible material benefits, they enrich people’s inner world. A．While B．Unless C．Once D．As 【答案】A 【详解】考查连词辨析。句意：尽管兴趣爱好不能带来实实在在的物质利益，但它丰富了人们的内心世界。A. While尽管；B. Unless除非；C. Once一旦；D. As当，尽管。分析句子可知， hobbies can’t bring tangible material benefits与they enrich people’s inner world为转折关系，而as引导让步状语从句时应用于倒装形式，放于句中，所以这里应用while引导让步状语从句，放于句首。故选A项。 13．（2024·天津·二模）As usual, I went to work on foot that day _______ it was raining heavily. A．so that B．as though C．in case D．even though 【答案】D 【详解】考查连词短语辨析。句意：尽管那天下着大雨，我还是像往常一样步行去上班。A. so that以便；B. as though似乎；C. in case以防；D. even though尽管。根据“As usual, I went to work on foot that day”和“it was raining heavily”可知，前后构成让步关系，应用even though引导让步状语从句。故选D。 14．（2024·天津南开·一模）I can’t go to the party tonight, ________ I have to work late. A．even though B．as if C．in that D．ever since 【答案】C 【详解】考查原因状语从句。句意：我今晚不能去参加聚会，因为我得工作到很晚。A. even though尽管；B. as if好像；C. in that因为；D. ever since从那以后。结合语境可知，空格处应表达“因为”，故用in that，引导原因状语从句。故选C。 15．（2024·天津·一模）I’ll see you at the theater you call me to say you’re not coming. A．because B．unless C．since D．if 【答案】B 【详解】考查状语从句。句意：除非你打电话告诉我你不来了，否则我们剧院见。A. because因为；B. unless除非；C. since自从；D. if如果。引导条件状语从句，表示“除非”应用unless。故选B。 16．（2024·天津河北·一模）Please ensure you have a backup of all your documents ________ the system upgrade encounters unexpected issues. A．even if B．as if C．ever since D．in case 【答案】D 【详解】考查状语从句。句意：请确保您已备份了所有文件，以防系统升级遇到意外问题。A. even if即使；B. as if好像；C.ever since自从；D. in case以防。根据上文“Please ensure you have a backup of all your documents”可知备份文件是以防升级遇到意外问题，in case“以防”符合题意，引导目的状语从句。故选D。 17．（2024·天津河东·一模）Bravery doesn’t mean doing something you are good at but only means you insist on doing it ______you feel scared. A．now that B．as if C．even though D．in case 【答案】C 【详解】考查连词词义辨析。句意：勇敢并不意味着做你擅长的事情，而仅仅意味着即使你感到害怕，你也要坚持去做。A. now that既然；B. as if好像；C. even though即使；D. in case以防万一。根据“Bravery doesn’t mean doing something you are good at but only means you insist on doing it”可知此处表示转折，即使感到害怕，也要坚持去做。故选C。 18．（2024·天津和平·一模）We had better take a spare blanket with us ______ it gets cooler than we expect in the mountains. A．if only B．so that C．in case D．even though 【答案】C 【详解】考查连词词义辨析。句意：我们最好带一条备用毯子，以防在山里比我们预期的要冷。A. if only要是……就好了；B. so that以便；C. in case以防万一；D. even though尽管。根据“it gets cooler than we expect in the mountains.”可知，带一条备用毯子以防山里寒冷。故选C。 19．（2023·天津·二模）________ the Montgolfier brothers took flight in balloons in the 18th century, air travel was not practical until the invention of powered flight in 1903. A．When B．Since C．If D．While 【答案】D 【详解】考查状语从句。句意：尽管18世纪，蒙哥菲兄弟乘气球飞行，但直到1903年动力飞机发明，空中旅行才成为现实。A. When当……时候B. Since既然；C. If如果；D. While虽然，尽管。结合句意可知，句子为转折让步关系，应用while引导的让步状语从句。故选D。 20．（2023·天津河西·三模）______ he is a boy difficult to get on with sometimes, I quite like him. A．Since B．While C．Until D．When 【答案】B 【详解】考查连词词义辨析。句意：尽管有时他是一个很那相处的人，但我十分喜欢他。A. Since因为，当......时候；B. While虽然；C. Until直到；D. When当......时候。根据句子分析可知，此处前后为转折关系，故应用while“尽管”引导。故选B。 21．（2023·天津·二模）________ the economy enters a “new normal” and growth slows, China’s economy will rely more on creativity to drive its growth. A．Although B．As C．Before D．Until 【答案】B 【详解】考查状语从句。句意：随着经济进入“新常态”和增长放缓，中国经济将更多地依靠创造力来推动增长。A. Although虽然；B. As随着；C. Before在……之前；D. Until直到。引导时间状语从句，表示“随着”应用as。故选B。 22．（2023·天津滨海新·三模）It’s worth noticing that________the media promotes, teenagers always follow it. A．whatever B．whichever C．however D．whenever 【答案】A 【详解】考查状语从句。句意：值得注意的是，无论媒体宣传什么，青少年总是跟随它。A. whatever无论什么；B. whichever无论哪一个；C. however无论多么；D. whenever无论何时。引导让步状语从句，表示“无论什么”应用whatever，作宾语。故选A。 23．（2023·天津滨海新·三模）________ChatGPT, an advanced AI chatbot, can interact in a conversational way, it still struggles to be completely accurate with its responses. A．Since B．Unless C．Once D．Although 【答案】D 【详解】考查让步状语从句。句意：尽管先进的人工智能聊天机器人ChatGPT可以以对话的方式进行互动，但它的回答仍然很难完全准确。A. Since 既然；B. Unless除非；C.  Once一旦；D. Although尽管。该句是复合句，设空处应该填一个“尽管，虽然”含义的词，是让步状语从句。故选D。 24．（2023·天津·一模） you have finished your work, you can give yourself more time to watch Netflix or have a special dessert. You’ve earned it! A．Before B．Once C．Although D．Until 【答案】B 【详解】考查从属连词。句意：一旦你完成了你的工作，你可以给自己更多的时间看网飞或吃一个特别的甜点。你应得的！A. Before在……之前；B. Once一旦；C. Although虽然；D. Until直到。由“you have finished your work, you can give yourself more time to watch Netflix or have a special dessert”可知，句子表示“一旦你完成了你的工作，你可以给自己更多的时间看网飞或吃一个特别的甜点”，空格处意为“一旦”，引导条件状语从句，故选B。 25．（2023·天津河北·二模）The elderly patients still prefer the traditional way, ________ online booking system is supposed to be convenient and fast. A．when B．although C．because D．unless 【答案】B 【详解】考查从属连词。句意：尽管网上预约系统被认为方便快捷，但老年患者仍然更喜欢传统的方式。A. when当……时；B. although尽管，虽然；C. because因为；D. unless除非。结合句意可知，此处表示让步转折关系，用although引导让步状语从句。故选B。 26．（2023·天津·二模）If you are facing a difficult task, try breaking it into small steps________you can finish it more easily. A．in case B．so that C．even if D．now that 【答案】B 【详解】考查目的状语从句。句意：如果你正面临一项困难的任务，试着把它分成小步骤，这样你就能更容易地完成它。A. in case以防万一；B. so that为了、目的是；C. even if即使；D. now that既然。根据句意可知，将任务分成小步骤是“为了”更容易完成，为直接目的，应用so that引导，此处是一个目的状语从句。故选B项。 27．（2023·天津和平·二模）You can learn enough first aid knowledge in a few minutes—________ it’s from reading a book, attending a course or watching videos online. A．when B．as C．whether D．once 【答案】C 【详解】考查让步状语从句。句意：你可以在几分钟内学到足够的急救知识——无论是通过读书、参加课程还是在线观看视频。固定结构：whether...or...“不管……还是……”。引导让步状语从句。结合句意及选项可知，选项C符合题意，故选C。 28．（2023·天津河西·二模）Many people believe we are heading for an environmental disaster ________ we basically change the way we live. A．but B．though C．unless D．in case 【答案】C 【详解】考查连词辨析。句意：许多人认为，除非我们从根本上改变我们的生活方式，否则我们正在走向一场环境灾难。A. but但是；B. though虽然，尽管；C. unless除非；D. in case万一，假使。分析句意可知，如果我们不改变生活方式，那么我们会走向环境灾难，前者是避免出现后者这样的结果的条件，因此用unless。故选C。 29．（2023·天津南开·一模）Why do so many students stick to private  tutoring, ________ they could easily master such knowledge at school? A．unless B．before C．when D．until 【答案】C 【详解】考查连接词词义辨析。句意：既然在学校就能轻松掌握这些知识，为什么还有那么多学生坚持请家教呢？A. unless除非；B. before在……之前；C. when既然；D. until直到 。根据句意及所给句子可知，前后句意存在转折关系，应用when引导让步状语从句。故选C。 30．（2023·天津·一模）—Do you know a new shopping mall opened in our town yesterday? —Yes. Why don’t we pay a visit ______ we have time? A．since B．though C．until D．unless 【答案】A 【详解】考查连词词义辨析。句意：——你知道昨天我们镇上新开了一家购物中心吗？——是的。既然我们有时间，为什么不去逛逛呢？A. since因为，既然；B. though虽然；C. until直到……为止；D. unless除非。根据上下文可知，前文存在因果关系，此处应用since引导原因状语从句。故选A项。 2 学科网（北京）股份有限公司 $$