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Module 3 Heroes 语法Grammar 原因状语从句练习-九年级英语上册（外研版）
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这是一份Module 3 Heroes 语法Grammar 原因状语从句练习-九年级英语上册（外研版），共15页。
班级 姓名 学号 分数 Module 3 Heroes原因状语从句（时间：60分钟，满分：100分）一、单项选择(本大题共50小题，每小题2分，共100分)1．（2024·河北邯郸·三模）Don’t be afraid of changing, ________ it’s leading you to a new beginning.A．if B．because C．though D．unless2．（2024·福建泉州·三模）—Mum, may I have more chocolate?—You’d better not, ________ too much sweet food is bad for health.A．while B．although C．because3．（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．though4．（2024·江苏南京·三模）English is my favorite subject ________ it’s very interesting.A．if B．though C．whether D．as5．（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．Though6．（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 if7．（2024·山东东营·二模）Fish can only live in the water ________ there are cats on the shore (岸)!A．and B．although C．but D．because8．（2024·北京丰台·一模）Tony couldn’t go to the concert with us ________ he was busy with his work.A．or B．because C．so D．but9．（2024·北京石景山·二模）David had to stay in the hospital ________ he hurt his head.A．or B．so C．but D．because10．（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．before11．（2024·江苏宿迁·二模）Life never runs smoothly ________ it is full of ups and downs.A．though B．since C．while D．unless12．（2024·江西·一模）The river has become much cleaner ___________ the villagers made great efforts to protect it.A．if B．until C．though D．because13．（23-24九年级下·江西九江·期中）The idea of “Made in China” caught the world’s attention in the 2023 Asian Games ________ it played a big role in the event.A．if B．unless C．because D．although14．（23-24九年级下·江西宜春·期中）—John, ________ we’ve got a few minutes to wait for the meal, let’s read the poem To Wang Lun.—OK, Mom.A．since B．though C．until D．before15．（2024·云南·一模）Reading aloud is a good reading method ________ it will help us to memorize information better and longer.A．because B．although C．unless D．while16．（2024·云南昭通·一模）I’m sure Sarah will win the girls’ 800-meter race ________ she has been practicing really hard in the past three months.A．unless B．because C．though D．until17．（2024·北京朝阳·一模）John feels excited ________ he is going to have a tennis match with an excellent player this weekend.A．because B．but C．or D．so18．（2024·河北·一模）We should do sports every day ________ it is good for our health.A．until B．because C．while D．though19．（2024·江苏无锡·一模）—Nothing to worry about. He won’t leave until we arrive. —________ time is money, we should not keep others waiting.A．Though B．Unless C．Since D．If20．（2024·北京通州·一模）Chinese people prefer the color red during the Spring Festival ______ they think red can bring good luck.A．so B．because C．but D．or21．（2024·江苏无锡·一模）Why not use this app to save your pocket money ________ you are not going to spend it?A．until B．unless C．though D．since22．（23-24九年级下·江西赣州·阶段练习）—What’s your secret to learning English well?—I read aloud. It’s a good method ________ it helps improve my memory.A．if B．because C．unless D．though23．（2024·吉林长春·一模）Little Tim have been in the Helpers’ Club for two years ________ he is an animal lover.A．if B．because C．until D．unless24．（2024·海南三亚·一模）________ everybody is here, let’s begin our meeting.A．Since B．While C．Although25．（2024·上海闵行·二模）Elaine was late for the morning meeting ________ she missed the early bus.A．unless B．though C．because D．until26．（2024·上海徐汇·一模）You can hardly find the historical site ________ it is under a clothes shop and a bakery.A．since B．because C．if D．until27．（2024·江苏无锡·一模）The course of life never runs smoothly ________ it is full of ups and downs.A．since B．though C．while D．unless28．（2024·河北唐山·一模）We need to take care of the earth ________ it’s the only planet we have for humans to live on.A．though B．if C．because D．until29．（2024·甘肃临夏·一模）Sally likes pandas __________ she thinks they are lovely.A．so B．but C．because D．though30．（2023·江苏扬州·二模）Road salt is commonly used to clear the snow on roads during winter ______ it makes it harder for water and snow to freeze.A．though B．because C．if D．unless31．（2023·山东东营·二模）—Mum, I failed the test. But I will work hard in the following days. —OK, my boy. ________ you have made the promise, you should keep to it and not give up easily.A．Whether B．Unless C．Since D．Though32．（2023·广西南宁·一模）Our family would like to buy electric cars ________ they produce less air pollution.A．because B．so C．but33．（2023·安徽亳州·二模）It’s hard to say goodbye to our middle school ________ we all have many happy days to remember.A．because B．before C．until D．unless34．（2023·安徽滁州·一模）Some students are spending more time at school, ________ schools are doing after-hours caretaking services.A．because B．and C．so D．but35．（2023·四川成都·二模）My brother and I never hurt the little animals on the street ________ they are our friends.A．unless B．because C．or36．（2023·江苏南京·二模）Nanjing Forest Music Festival is worth attending ________ it mixes traditional Chinese music and modern Western music.A．while B．until C．whenever D．because37．（23-24九年级上·全国·单元测试）________ we have half an hour to wait for the bus, let’s go to the coffee shop to have a cup of coffee.A．Since B．Although C．Before38．（23-24九年级上·全国·单元测试）—Why do you like movies?—________ it’s relaxing.A．Then B．So C．Because39．（23-24九年级上·全国·单元测试）I don’t want that T-shirt ________ it’s too big for me.A．but B．because C．so40．（2023·上海宝山·二模）I don’t like traveling by plane ________ it’s so tiring to wait for hours before the plane takes off.A．until B．although C．because D．unless41．（2023·上海虹口·二模）John lost his way in the field, ________ the ground was covered with thick snow.A．or B．for C．but D．so42．（2023·上海崇明·二模）Linda didn’t go to the concert last night ________ she had lots of work to do.A．because B．while C．unless D．if43．（2023·河北沧州·一模）Lily didn’t know how to deal with the trouble ________ she couldn’t speak French.A．though B．because C．unless D．if44．（2023·江苏扬州·一模）—I hear that you have lived in Yangzhou since you got married.—That’s true. ________ the cost of living in Yangzhou is among the lowest in Jiangsu Province, people live there comfortably and happily.A．Since B．When C．Although D．Unless45．（2023·江苏无锡·一模）The course of life never runs smoothly ________ it is full of ups and downs.A．though B．since C．while D．unless46．（2023·上海黄浦·一模）The man with brain damage was angry with his wife ________ he thought she never visited him.A．because B．if C．until D．although47．（2023·江苏淮安·一模）—Mother’s Day is coming. Shall we make some nice cards for our mothers?—Good idea! But would you please show me how to make them ________ I am not good at DIY?A．until B．when C．while D．since48．（2023·四川成都·一模）________ Deng Qingming fought on, he finally achieved his dream to be a member of the Shenzhou XV spaceship.A．Before B．Unless C．Because49．（22-23九年级上·北京朝阳·期中）She didn’t see the film yesterday ________ she had a headache.A．because B．so C．but D．or 参考答案：1．B【详解】句意：不要害怕改变，因为它会带你走向一个新的开始。考查连词辨析。if如果；because因为；though尽管；unless除非。根据“it’s leading you to a new beginning”可知后句是“不要害怕改变”的原因，应用because引导原因状语从句。故选B。2．C【详解】句意：——妈妈，我可以再吃点巧克力吗？——你最好不要吃，因为吃太多甜食对健康有害。考查连词辨析。while然而；although尽管；because因为。根据“too much sweet food is bad for health.”可知，因为太多的甜食对健康有害，所以不能再吃巧克力了。故选C。3．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。4．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。5．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。6．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。7．D【详解】句意：鱼只能在水里生活，因为岸上有猫！考查连词辨析。and和；although虽然；but但是；because因为。“there are cats on the shore”是“Fish can only live in the water”的原因，用because引导原因状语从句，故选D。8．B【详解】句意：托尼不能和我们一起去听音乐会，因为他忙于工作。考查连词辨析。or或者；because因为；so所以；but但是。根据“Tony couldn’t go to the concert with us”和“he was busy with his work.”可知，前后是因果关系，并且后面是前面的原因。故选B。9．D【详解】句意：大卫不得不待在医院里，因为他伤了头。考查连词辨析。or或者；so因此；but但是；because因为。分析题干可知，后句是前句的原因，结合选项可知，应用because引导此原因状语从句。故选D。10．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。11．B【详解】句意：生活从不是一帆风顺的，因为它充满了起起落落。考查连词。though虽然；since因为；while然而；unless除非。根据“Life never runs smoothly...it is full of ups and downs.”可知，此处应用since，引导原因状语从句，表示因为生活充满了起伏，所以它从来都不是一帆风顺的。故选B。12．D【详解】句意：这条河变得干净多了，因为村民们做出了巨大的努力来保护它。考查连词辨析。if如果；until直到；though尽管；because因为。分析句子可知，前后是因果关系，前果后因，故选D。13．C【详解】句意：“中国制造”的理念在2023年亚运会上引起了全世界的关注，因为它在这项赛事中发挥了重要作用。考查连词辨析。if如果；unless除非，如果不；because因为；although尽管。本句前后表述内容“The idea of ‘Made in China’ caught the world’s attention”和“it played a big role in the event”构成因果关系，设空处后为原因，所以选填because。故选C。14．A【详解】句意：——约翰，既然我们还有几分钟时间等餐，让我们读一下《赠汪伦》这首诗吧。 ——好的，妈妈。考查从属连词辨析。since由于，既然；though虽然，尽管；until直到……为止；before在……之前。根据“we’ve got a few minutes to wait for the meal, let’s read the poem To Wang Lun.”可知，前后句之间表达的是因果关系，因此用since引导原因状语从句。故选A。15．A【详解】句意：大声朗读是一个好的阅读方法，因为它会帮助我们更好更久地记住信息。考查连词辨析。because因为；although尽管；unless除非；while当……的时候。根据“Reading aloud is a good reading method...it will help...”可知，此处应表达的是因果关系，所以应选用表示原因的连词because。故选A。16．B【详解】句意：我相信莎拉会赢得女子800米比赛，因为她在过去的三个月里一直在努力练习。考查连词辨析。unless除非；because因为；though虽然；until直到。前后两句是因果关系，此处表示原因，用because引导原因状语从句。故选B。17．A【详解】句意：约翰很兴奋，因为这个周末他要和一位优秀的网球选手进行一场网球比赛。考查连词辨析。because因为；but但是；or或者；so所以。分析“John feels excited...he is going to have a tennis match with an excellent player this weekend.”可知，前后句是因果关系，前果后因，应用because引导原因状语从句。故选A。18．B【详解】句意：我们应该每天做运动，因为这对我们的健康有好处。考查从属连词词义辨析。until直到……为止；because因为；while当……的时候；though尽管。分析可知，“it is good for our health”是“We should do sports every day”的原因，所以用because引导原因状语从句。故选B。19．C【详解】句意：——没什么好担心的。直到我们到达他才会离开。——既然时间就是金钱，我们就不应该让别人等待。考查连词辨析。Though虽然；Unless除非；Since既然；If如果。根据“... time is money, we should not keep others waiting.”可知，前后两句为因果关系，应用since引导原因状语从句，故选C。20．B【详解】句意：中国人在春节期间更喜欢红色，因为他们认为红色能带来好运。考查连词辨析。so所以；because因为；but但是；or或者。根据“they think red can bring good luck.”可知，因为他们觉得红色能带来好运气，所以更喜欢红色。故选B。21．D【详解】句意：既然你不打算用，为什么不用这款应用软件把你的零用钱存起来呢？考查连词辨析。until直到……为止；unless除非；though尽管；since既然。根据“Why not use this app to save your pocket money...you are not going to spend it?”可知，两句为因果关系，前果后因，所以是since引导的原因状语从句，表示明显的原因或已知的事实。故选D。22．B【详解】句意：——你学好英语的秘诀是什么？——我大声朗读。这是一个好方法，因为它有助于提高我的记忆力。考查连词辨析。if如果；because因为；unless除非；though尽管。根据“It’s a good method...it helps improve my memory.”可知，前后为因果关系，因为大声朗读能帮助我提高记忆，所以它是一个好方法。故选B。23．B【详解】句意：小蒂姆在救助俱乐部已经两年了，因为他是一个动物爱好者。考查连词词义辨析。if如果；because因为；until直到；unless除非。根据空前后句的句意可知，此处表示因果关系。故选B。24．A【详解】句意：既然大家都到齐了，我们开始开会吧。考查连词辨析。Since既然；While在……期间；Although虽然，尽管。“everybody is here”是“begin our meeting”的原因，应用since引导原因状语从句。故选A。25．C【详解】句意：伊莱恩早会迟到了，因为她错过了早班车。考查从属连词辨析。unless除非；though尽管；because因为；until直到。结合句意可知，前句“Elaine was late for the morning meeting”与后句“she missed the early bus.”表示因果关系，应用because引导原因状语从句。故选C。26．B【详解】句意：你很难找到历史遗迹，因为它在一家服装店和一家面包店的下面。考查从属连词词义辨析。since自……以来；because因为；if如果；until直到……为止。分析可知，“it is under a clothes shop and a bakery”是“You can hardly find the historical site”的原因，所以用because引导原因状语从句。故选B。27．A【详解】句意：人生之路从不一帆风顺，因为它充满了起伏。考查连词辨析。since因为；though虽然；while然而；unless除非。根据“The course of life never runs smoothly...it is full of ups and downs.”可知，此空是since引导原因状语从句，表示“因为人生充满了起伏，所以人生之路从来都不是一帆风顺的”。故选A。28．C【详解】句意：我们需要照顾好地球，因为它是我们唯一可以供人类生活的星球。考查从属连词辨析。though尽管；if如果；because因为；until直到。前后句表示因果关系，所以用because引导原因状语从句，故选C。29．C【详解】句意：萨利喜欢熊猫，因为她认为它们很可爱。考查连词辨析。so所以；but但是；because因为；though尽管。根据“Sally likes pandas”和“they are lovely”可知，此处表示原因。故选C。30．B【详解】句意：在冬季，道路盐通常用于清除道路上的积雪，因为它会使水和雪更难结冰。考查连词。though尽管，表示转折；because因为，表原因；if如果，表示条件关系；unless除非，表示否定条件关系。根据“Road salt is commonly used to clear the snow on roads during winter”和“it makes it harder for water and snow to freeze”可知，前后句是因果关系。故选B。31．C【详解】句意：——妈妈，我考试不及格。但我会在接下来的日子里努力学习。——好的，我的孩子。既然你已经做出了承诺，就应该信守诺言，不要轻易放弃。考查连词辨析。Whether是否，引导名词性从句；Unless除非，引导条件状语从句；Since既然，引导原因状语从句；Though虽然，引导让步状语从句。根据“…you have made the promise, you should keep to it”可知，既然做了承诺，就要信守。故选C。32．A【详解】句意：我们家想买电动汽车，因为它们产生的空气污染少。考查连词辨析。because因为；so所以；but但是。根据“Our family would like to buy electric cars…they produce less air pollution.”可知，后句是前句的原因，因此此处用“because”来连接。故选A。33．A【详解】句意：很难和我们的中学说再见，因为我们都有许多记得的快乐日子。考查连词辨析。because因为；before在……之前；until直到；unless除非。根据“It’s hard to say goodbye to our middle school …we all have many happy days to remember.”可知，因为度过了许多快乐的日子，所以很难和我们的中学说再见，用because引导原因状语从句，故选A。34．A【详解】句意：一些学生花更多的时间在学校，因为学校提供课后照顾服务。考查连词辨析。because因为；and和；so因此；but但是。根据“Some students are spending more time at school”和“schools are doing after-hours caretaking services”可知，一些学生在学校停留的时间更长，是因为学校提供了课后照顾服务；前后句为因果关系，前果后因，应用because连接。故选A。35．B【详解】句意：我哥哥和我从不伤害街上的小动物，因为它们是我们的朋友。考查词义辨析。 unless除非；because因为；or否则。根据“they are our friends”可知，后句是前句的理由，此处为because引导原因状语从句。故选B。36．D【详解】句意：南京森林音乐节是值得参加的，因为它融合了中国传统音乐和现代西方音乐。考查连词辨析。while与……同时；until直到；whenever无论何时；because因为。根据“Nanjing Forest Music Festival is worth attending”和“it mixes traditional Chinese music and modern Western music”可知，前后句为因果关系，前果后因，应用because进行连接。故选D。37．A【详解】句意：既然我们还有半小时要等公共汽车，我们就去咖啡店喝杯咖啡吧。考查从属连词辨析。Since既然；Although虽然；Before在……之前。“...we have half an hour to wait for the bus”是“let’s go to the coffee shop to have a cup of coffee.”的原因，所以用Since引导原因状语从句。故选A。38．C【详解】句意：——为什么你喜欢电影？——因为它令人放松。考查词义辨析。Then然后；So所以；Because因为。根据“Why do you like movies?”可知，对于why引导的特殊疑问句，要用because来回答。故选C。39．B【详解】句意：我不想要那件 T 恤因为它对我来说太大了。考查并列连词辨析。but但是，表转折；because因为，表原因；so所以，表结果。分析句子可知，“it’s too big for me”是“I don’t want that T-shirt”的原因，故选B。40．C【详解】句意：我不喜欢乘飞机旅行，因为在飞机起飞前等几个小时太累人了。考查从属连词辨析。until直到；although虽然；because因为；unless除非。“it’s so tiring to wait for hours before the plane takes off”是“I don’t like traveling by plane”的原因，用because引导原因状语从句。故选C。41．B【详解】句意：约翰在田野里迷了路，因为地上覆盖着厚厚的积雪。考查连词辨析。or或者；for因为；but但是；so因此。“the ground was covered with thick snow”是“John lost his way in the field”的原因，用for连接。故选B。42．A【详解】句意：琳达昨晚没有去听音乐会，因为她有许多工作要做。考查连词辨析。because因为；while虽然；unless除非；if如果。根据“she had lots of work to do”可知，空格后解释没去音乐会的原因，故选A。43．B【详解】句意：Lily不知道如何处理这些麻烦，因为她不会说法语。考查连词辨析。though尽管；because因为；unless除非；if如果。根据“Lily didn’t know how to deal with the trouble...she couldn’t speak French.”可知，前后句为因果关系。故选B。44．A【详解】句意：——我听说你结婚后一直住在扬州。——这是真的。由于扬州是江苏省生活成本最低的城市之一，人们在那里生活得舒适而快乐。考查连词辨析。Since因为，由于；When当……时；Although尽管；Unless除非。分析语境可知，“扬州是江苏省生活成本最低的城市之一”是“人们在那里生活得舒适而快乐”的原因，故用Since引导原因状语从句。故选A。45．B【详解】句意：人生之路从不一帆风顺，因为它充满了起伏。考查连词。though虽然；since因为；while然而；unless除非。根据“The course of life never runs smoothly...it is full of ups and downs.”可知，此空应是since，引导原因状语从句，表示因为人生充满了起伏，所以人生之路从来都不是一帆风顺的。故选B。46．A【详解】句意：脑损伤的男人生妻子的气，因为他认为妻子从来没有来看过他。考查连词辨析。because因为；if如果；until直到……为止；although虽然，尽管。根据“The man with brain damage was angry with his wife”和“he thought she never visited him”可知，空格前后为因果关系，前面为结果，后面为原因，故应用because引导原因状语从句。故选A。47．D【详解】句意：——母亲节就要到了。我们为我们的妈妈做一些漂亮的卡片好吗？——好主意！但是你能告诉我怎么做吗？因为我不擅长DIY。考查连词辨析。until直到；when当……时；while当……时；since因为。“I am not good at DIY”是“But would you please show me how to make them”的原因，用since引导原因状语从句。故选D。48．C【详解】句意：因为邓清明继续奋斗，他终于实现了成为神舟十五号飞船成员的梦想。考查从属连词辨析。Before在……之前；Unless除非；Because因为。根据“Deng Qingming fought on”可知，他继续奋斗，是实现成为神舟十五号飞船成员梦想的原因，应用because引导原因状语从句。故选C。49．A【详解】句意：她昨天没有看电影，因为她头疼。考查连词辨析。because因为；so所以；but但是；or或者。根据“She didn’t see the film yesterday...she had a headache.”可知前后是因果关系，因为头疼，所以昨天没有看电影。故选A。
班级 姓名 学号 分数 Module 3 Heroes原因状语从句（时间：60分钟，满分：100分）一、单项选择(本大题共50小题，每小题2分，共100分)1．（2024·河北邯郸·三模）Don’t be afraid of changing, ________ it’s leading you to a new beginning.A．if B．because C．though D．unless2．（2024·福建泉州·三模）—Mum, may I have more chocolate?—You’d better not, ________ too much sweet food is bad for health.A．while B．although C．because3．（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．though4．（2024·江苏南京·三模）English is my favorite subject ________ it’s very interesting.A．if B．though C．whether D．as5．（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．Though6．（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 if7．（2024·山东东营·二模）Fish can only live in the water ________ there are cats on the shore (岸)!A．and B．although C．but D．because8．（2024·北京丰台·一模）Tony couldn’t go to the concert with us ________ he was busy with his work.A．or B．because C．so D．but9．（2024·北京石景山·二模）David had to stay in the hospital ________ he hurt his head.A．or B．so C．but D．because10．（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．before11．（2024·江苏宿迁·二模）Life never runs smoothly ________ it is full of ups and downs.A．though B．since C．while D．unless12．（2024·江西·一模）The river has become much cleaner ___________ the villagers made great efforts to protect it.A．if B．until C．though D．because13．（23-24九年级下·江西九江·期中）The idea of “Made in China” caught the world’s attention in the 2023 Asian Games ________ it played a big role in the event.A．if B．unless C．because D．although14．（23-24九年级下·江西宜春·期中）—John, ________ we’ve got a few minutes to wait for the meal, let’s read the poem To Wang Lun.—OK, Mom.A．since B．though C．until D．before15．（2024·云南·一模）Reading aloud is a good reading method ________ it will help us to memorize information better and longer.A．because B．although C．unless D．while16．（2024·云南昭通·一模）I’m sure Sarah will win the girls’ 800-meter race ________ she has been practicing really hard in the past three months.A．unless B．because C．though D．until17．（2024·北京朝阳·一模）John feels excited ________ he is going to have a tennis match with an excellent player this weekend.A．because B．but C．or D．so18．（2024·河北·一模）We should do sports every day ________ it is good for our health.A．until B．because C．while D．though19．（2024·江苏无锡·一模）—Nothing to worry about. He won’t leave until we arrive. —________ time is money, we should not keep others waiting.A．Though B．Unless C．Since D．If20．（2024·北京通州·一模）Chinese people prefer the color red during the Spring Festival ______ they think red can bring good luck.A．so B．because C．but D．or21．（2024·江苏无锡·一模）Why not use this app to save your pocket money ________ you are not going to spend it?A．until B．unless C．though D．since22．（23-24九年级下·江西赣州·阶段练习）—What’s your secret to learning English well?—I read aloud. It’s a good method ________ it helps improve my memory.A．if B．because C．unless D．though23．（2024·吉林长春·一模）Little Tim have been in the Helpers’ Club for two years ________ he is an animal lover.A．if B．because C．until D．unless24．（2024·海南三亚·一模）________ everybody is here, let’s begin our meeting.A．Since B．While C．Although25．（2024·上海闵行·二模）Elaine was late for the morning meeting ________ she missed the early bus.A．unless B．though C．because D．until26．（2024·上海徐汇·一模）You can hardly find the historical site ________ it is under a clothes shop and a bakery.A．since B．because C．if D．until27．（2024·江苏无锡·一模）The course of life never runs smoothly ________ it is full of ups and downs.A．since B．though C．while D．unless28．（2024·河北唐山·一模）We need to take care of the earth ________ it’s the only planet we have for humans to live on.A．though B．if C．because D．until29．（2024·甘肃临夏·一模）Sally likes pandas __________ she thinks they are lovely.A．so B．but C．because D．though30．（2023·江苏扬州·二模）Road salt is commonly used to clear the snow on roads during winter ______ it makes it harder for water and snow to freeze.A．though B．because C．if D．unless31．（2023·山东东营·二模）—Mum, I failed the test. But I will work hard in the following days. —OK, my boy. ________ you have made the promise, you should keep to it and not give up easily.A．Whether B．Unless C．Since D．Though32．（2023·广西南宁·一模）Our family would like to buy electric cars ________ they produce less air pollution.A．because B．so C．but33．（2023·安徽亳州·二模）It’s hard to say goodbye to our middle school ________ we all have many happy days to remember.A．because B．before C．until D．unless34．（2023·安徽滁州·一模）Some students are spending more time at school, ________ schools are doing after-hours caretaking services.A．because B．and C．so D．but35．（2023·四川成都·二模）My brother and I never hurt the little animals on the street ________ they are our friends.A．unless B．because C．or36．（2023·江苏南京·二模）Nanjing Forest Music Festival is worth attending ________ it mixes traditional Chinese music and modern Western music.A．while B．until C．whenever D．because37．（23-24九年级上·全国·单元测试）________ we have half an hour to wait for the bus, let’s go to the coffee shop to have a cup of coffee.A．Since B．Although C．Before38．（23-24九年级上·全国·单元测试）—Why do you like movies?—________ it’s relaxing.A．Then B．So C．Because39．（23-24九年级上·全国·单元测试）I don’t want that T-shirt ________ it’s too big for me.A．but B．because C．so40．（2023·上海宝山·二模）I don’t like traveling by plane ________ it’s so tiring to wait for hours before the plane takes off.A．until B．although C．because D．unless41．（2023·上海虹口·二模）John lost his way in the field, ________ the ground was covered with thick snow.A．or B．for C．but D．so42．（2023·上海崇明·二模）Linda didn’t go to the concert last night ________ she had lots of work to do.A．because B．while C．unless D．if43．（2023·河北沧州·一模）Lily didn’t know how to deal with the trouble ________ she couldn’t speak French.A．though B．because C．unless D．if44．（2023·江苏扬州·一模）—I hear that you have lived in Yangzhou since you got married.—That’s true. ________ the cost of living in Yangzhou is among the lowest in Jiangsu Province, people live there comfortably and happily.A．Since B．When C．Although D．Unless45．（2023·江苏无锡·一模）The course of life never runs smoothly ________ it is full of ups and downs.A．though B．since C．while D．unless46．（2023·上海黄浦·一模）The man with brain damage was angry with his wife ________ he thought she never visited him.A．because B．if C．until D．although47．（2023·江苏淮安·一模）—Mother’s Day is coming. Shall we make some nice cards for our mothers?—Good idea! But would you please show me how to make them ________ I am not good at DIY?A．until B．when C．while D．since48．（2023·四川成都·一模）________ Deng Qingming fought on, he finally achieved his dream to be a member of the Shenzhou XV spaceship.A．Before B．Unless C．Because49．（22-23九年级上·北京朝阳·期中）She didn’t see the film yesterday ________ she had a headache.A．because B．so C．but D．or 参考答案：1．B【详解】句意：不要害怕改变，因为它会带你走向一个新的开始。考查连词辨析。if如果；because因为；though尽管；unless除非。根据“it’s leading you to a new beginning”可知后句是“不要害怕改变”的原因，应用because引导原因状语从句。故选B。2．C【详解】句意：——妈妈，我可以再吃点巧克力吗？——你最好不要吃，因为吃太多甜食对健康有害。考查连词辨析。while然而；although尽管；because因为。根据“too much sweet food is bad for health.”可知，因为太多的甜食对健康有害，所以不能再吃巧克力了。故选C。3．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。4．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。5．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。6．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。7．D【详解】句意：鱼只能在水里生活，因为岸上有猫！考查连词辨析。and和；although虽然；but但是；because因为。“there are cats on the shore”是“Fish can only live in the water”的原因，用because引导原因状语从句，故选D。8．B【详解】句意：托尼不能和我们一起去听音乐会，因为他忙于工作。考查连词辨析。or或者；because因为；so所以；but但是。根据“Tony couldn’t go to the concert with us”和“he was busy with his work.”可知，前后是因果关系，并且后面是前面的原因。故选B。9．D【详解】句意：大卫不得不待在医院里，因为他伤了头。考查连词辨析。or或者；so因此；but但是；because因为。分析题干可知，后句是前句的原因，结合选项可知，应用because引导此原因状语从句。故选D。10．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。11．B【详解】句意：生活从不是一帆风顺的，因为它充满了起起落落。考查连词。though虽然；since因为；while然而；unless除非。根据“Life never runs smoothly...it is full of ups and downs.”可知，此处应用since，引导原因状语从句，表示因为生活充满了起伏，所以它从来都不是一帆风顺的。故选B。12．D【详解】句意：这条河变得干净多了，因为村民们做出了巨大的努力来保护它。考查连词辨析。if如果；until直到；though尽管；because因为。分析句子可知，前后是因果关系，前果后因，故选D。13．C【详解】句意：“中国制造”的理念在2023年亚运会上引起了全世界的关注，因为它在这项赛事中发挥了重要作用。考查连词辨析。if如果；unless除非，如果不；because因为；although尽管。本句前后表述内容“The idea of ‘Made in China’ caught the world’s attention”和“it played a big role in the event”构成因果关系，设空处后为原因，所以选填because。故选C。14．A【详解】句意：——约翰，既然我们还有几分钟时间等餐，让我们读一下《赠汪伦》这首诗吧。 ——好的，妈妈。考查从属连词辨析。since由于，既然；though虽然，尽管；until直到……为止；before在……之前。根据“we’ve got a few minutes to wait for the meal, let’s read the poem To Wang Lun.”可知，前后句之间表达的是因果关系，因此用since引导原因状语从句。故选A。15．A【详解】句意：大声朗读是一个好的阅读方法，因为它会帮助我们更好更久地记住信息。考查连词辨析。because因为；although尽管；unless除非；while当……的时候。根据“Reading aloud is a good reading method...it will help...”可知，此处应表达的是因果关系，所以应选用表示原因的连词because。故选A。16．B【详解】句意：我相信莎拉会赢得女子800米比赛，因为她在过去的三个月里一直在努力练习。考查连词辨析。unless除非；because因为；though虽然；until直到。前后两句是因果关系，此处表示原因，用because引导原因状语从句。故选B。17．A【详解】句意：约翰很兴奋，因为这个周末他要和一位优秀的网球选手进行一场网球比赛。考查连词辨析。because因为；but但是；or或者；so所以。分析“John feels excited...he is going to have a tennis match with an excellent player this weekend.”可知，前后句是因果关系，前果后因，应用because引导原因状语从句。故选A。18．B【详解】句意：我们应该每天做运动，因为这对我们的健康有好处。考查从属连词词义辨析。until直到……为止；because因为；while当……的时候；though尽管。分析可知，“it is good for our health”是“We should do sports every day”的原因，所以用because引导原因状语从句。故选B。19．C【详解】句意：——没什么好担心的。直到我们到达他才会离开。——既然时间就是金钱，我们就不应该让别人等待。考查连词辨析。Though虽然；Unless除非；Since既然；If如果。根据“... time is money, we should not keep others waiting.”可知，前后两句为因果关系，应用since引导原因状语从句，故选C。20．B【详解】句意：中国人在春节期间更喜欢红色，因为他们认为红色能带来好运。考查连词辨析。so所以；because因为；but但是；or或者。根据“they think red can bring good luck.”可知，因为他们觉得红色能带来好运气，所以更喜欢红色。故选B。21．D【详解】句意：既然你不打算用，为什么不用这款应用软件把你的零用钱存起来呢？考查连词辨析。until直到……为止；unless除非；though尽管；since既然。根据“Why not use this app to save your pocket money...you are not going to spend it?”可知，两句为因果关系，前果后因，所以是since引导的原因状语从句，表示明显的原因或已知的事实。故选D。22．B【详解】句意：——你学好英语的秘诀是什么？——我大声朗读。这是一个好方法，因为它有助于提高我的记忆力。考查连词辨析。if如果；because因为；unless除非；though尽管。根据“It’s a good method...it helps improve my memory.”可知，前后为因果关系，因为大声朗读能帮助我提高记忆，所以它是一个好方法。故选B。23．B【详解】句意：小蒂姆在救助俱乐部已经两年了，因为他是一个动物爱好者。考查连词词义辨析。if如果；because因为；until直到；unless除非。根据空前后句的句意可知，此处表示因果关系。故选B。24．A【详解】句意：既然大家都到齐了，我们开始开会吧。考查连词辨析。Since既然；While在……期间；Although虽然，尽管。“everybody is here”是“begin our meeting”的原因，应用since引导原因状语从句。故选A。25．C【详解】句意：伊莱恩早会迟到了，因为她错过了早班车。考查从属连词辨析。unless除非；though尽管；because因为；until直到。结合句意可知，前句“Elaine was late for the morning meeting”与后句“she missed the early bus.”表示因果关系，应用because引导原因状语从句。故选C。26．B【详解】句意：你很难找到历史遗迹，因为它在一家服装店和一家面包店的下面。考查从属连词词义辨析。since自……以来；because因为；if如果；until直到……为止。分析可知，“it is under a clothes shop and a bakery”是“You can hardly find the historical site”的原因，所以用because引导原因状语从句。故选B。27．A【详解】句意：人生之路从不一帆风顺，因为它充满了起伏。考查连词辨析。since因为；though虽然；while然而；unless除非。根据“The course of life never runs smoothly...it is full of ups and downs.”可知，此空是since引导原因状语从句，表示“因为人生充满了起伏，所以人生之路从来都不是一帆风顺的”。故选A。28．C【详解】句意：我们需要照顾好地球，因为它是我们唯一可以供人类生活的星球。考查从属连词辨析。though尽管；if如果；because因为；until直到。前后句表示因果关系，所以用because引导原因状语从句，故选C。29．C【详解】句意：萨利喜欢熊猫，因为她认为它们很可爱。考查连词辨析。so所以；but但是；because因为；though尽管。根据“Sally likes pandas”和“they are lovely”可知，此处表示原因。故选C。30．B【详解】句意：在冬季，道路盐通常用于清除道路上的积雪，因为它会使水和雪更难结冰。考查连词。though尽管，表示转折；because因为，表原因；if如果，表示条件关系；unless除非，表示否定条件关系。根据“Road salt is commonly used to clear the snow on roads during winter”和“it makes it harder for water and snow to freeze”可知，前后句是因果关系。故选B。31．C【详解】句意：——妈妈，我考试不及格。但我会在接下来的日子里努力学习。——好的，我的孩子。既然你已经做出了承诺，就应该信守诺言，不要轻易放弃。考查连词辨析。Whether是否，引导名词性从句；Unless除非，引导条件状语从句；Since既然，引导原因状语从句；Though虽然，引导让步状语从句。根据“…you have made the promise, you should keep to it”可知，既然做了承诺，就要信守。故选C。32．A【详解】句意：我们家想买电动汽车，因为它们产生的空气污染少。考查连词辨析。because因为；so所以；but但是。根据“Our family would like to buy electric cars…they produce less air pollution.”可知，后句是前句的原因，因此此处用“because”来连接。故选A。33．A【详解】句意：很难和我们的中学说再见，因为我们都有许多记得的快乐日子。考查连词辨析。because因为；before在……之前；until直到；unless除非。根据“It’s hard to say goodbye to our middle school …we all have many happy days to remember.”可知，因为度过了许多快乐的日子，所以很难和我们的中学说再见，用because引导原因状语从句，故选A。34．A【详解】句意：一些学生花更多的时间在学校，因为学校提供课后照顾服务。考查连词辨析。because因为；and和；so因此；but但是。根据“Some students are spending more time at school”和“schools are doing after-hours caretaking services”可知，一些学生在学校停留的时间更长，是因为学校提供了课后照顾服务；前后句为因果关系，前果后因，应用because连接。故选A。35．B【详解】句意：我哥哥和我从不伤害街上的小动物，因为它们是我们的朋友。考查词义辨析。 unless除非；because因为；or否则。根据“they are our friends”可知，后句是前句的理由，此处为because引导原因状语从句。故选B。36．D【详解】句意：南京森林音乐节是值得参加的，因为它融合了中国传统音乐和现代西方音乐。考查连词辨析。while与……同时；until直到；whenever无论何时；because因为。根据“Nanjing Forest Music Festival is worth attending”和“it mixes traditional Chinese music and modern Western music”可知，前后句为因果关系，前果后因，应用because进行连接。故选D。37．A【详解】句意：既然我们还有半小时要等公共汽车，我们就去咖啡店喝杯咖啡吧。考查从属连词辨析。Since既然；Although虽然；Before在……之前。“...we have half an hour to wait for the bus”是“let’s go to the coffee shop to have a cup of coffee.”的原因，所以用Since引导原因状语从句。故选A。38．C【详解】句意：——为什么你喜欢电影？——因为它令人放松。考查词义辨析。Then然后；So所以；Because因为。根据“Why do you like movies?”可知，对于why引导的特殊疑问句，要用because来回答。故选C。39．B【详解】句意：我不想要那件 T 恤因为它对我来说太大了。考查并列连词辨析。but但是，表转折；because因为，表原因；so所以，表结果。分析句子可知，“it’s too big for me”是“I don’t want that T-shirt”的原因，故选B。40．C【详解】句意：我不喜欢乘飞机旅行，因为在飞机起飞前等几个小时太累人了。考查从属连词辨析。until直到；although虽然；because因为；unless除非。“it’s so tiring to wait for hours before the plane takes off”是“I don’t like traveling by plane”的原因，用because引导原因状语从句。故选C。41．B【详解】句意：约翰在田野里迷了路，因为地上覆盖着厚厚的积雪。考查连词辨析。or或者；for因为；but但是；so因此。“the ground was covered with thick snow”是“John lost his way in the field”的原因，用for连接。故选B。42．A【详解】句意：琳达昨晚没有去听音乐会，因为她有许多工作要做。考查连词辨析。because因为；while虽然；unless除非；if如果。根据“she had lots of work to do”可知，空格后解释没去音乐会的原因，故选A。43．B【详解】句意：Lily不知道如何处理这些麻烦，因为她不会说法语。考查连词辨析。though尽管；because因为；unless除非；if如果。根据“Lily didn’t know how to deal with the trouble...she couldn’t speak French.”可知，前后句为因果关系。故选B。44．A【详解】句意：——我听说你结婚后一直住在扬州。——这是真的。由于扬州是江苏省生活成本最低的城市之一，人们在那里生活得舒适而快乐。考查连词辨析。Since因为，由于；When当……时；Although尽管；Unless除非。分析语境可知，“扬州是江苏省生活成本最低的城市之一”是“人们在那里生活得舒适而快乐”的原因，故用Since引导原因状语从句。故选A。45．B【详解】句意：人生之路从不一帆风顺，因为它充满了起伏。考查连词。though虽然；since因为；while然而；unless除非。根据“The course of life never runs smoothly...it is full of ups and downs.”可知，此空应是since，引导原因状语从句，表示因为人生充满了起伏，所以人生之路从来都不是一帆风顺的。故选B。46．A【详解】句意：脑损伤的男人生妻子的气，因为他认为妻子从来没有来看过他。考查连词辨析。because因为；if如果；until直到……为止；although虽然，尽管。根据“The man with brain damage was angry with his wife”和“he thought she never visited him”可知，空格前后为因果关系，前面为结果，后面为原因，故应用because引导原因状语从句。故选A。47．D【详解】句意：——母亲节就要到了。我们为我们的妈妈做一些漂亮的卡片好吗？——好主意！但是你能告诉我怎么做吗？因为我不擅长DIY。考查连词辨析。until直到；when当……时；while当……时；since因为。“I am not good at DIY”是“But would you please show me how to make them”的原因，用since引导原因状语从句。故选D。48．C【详解】句意：因为邓清明继续奋斗，他终于实现了成为神舟十五号飞船成员的梦想。考查从属连词辨析。Before在……之前；Unless除非；Because因为。根据“Deng Qingming fought on”可知，他继续奋斗，是实现成为神舟十五号飞船成员梦想的原因，应用because引导原因状语从句。故选C。49．A【详解】句意：她昨天没有看电影，因为她头疼。考查连词辨析。because因为；so所以；but但是；or或者。根据“She didn’t see the film yesterday...she had a headache.”可知前后是因果关系，因为头疼，所以昨天没有看电影。故选A。
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