中小学教育资源及组卷应用平台
百日打卡-状语从句2
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。
一、单项选择
1． I love going to school ________ everyone in my class is friendly.
A．before B．although C．because D．unless
2． Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and taking away their land.
A．because B．until C．although D．before
3． We are making a big cake ________ it’s Dad’s birthday today.
A．because B．until C．once
4． I want to buy something special for my grandmother, _______ her birthday is coming.
A．because B．although C．so
5．—Mum, may I have more chocolate
—You’d better not ________ too much sweet food is bad for health.
A．until B．while C．although D．because
6． Lucy is busy making a fruit cake ________ it’s her mother’s birthday today.
A．or B．but C．although D．because
7．________ we’ve made the promise, let’s keep to it and not give up easily.
A．Whether B．Since C．Though D．Unless
8． Life is like a one-way race, so treasure every moment ________ time cannot be won again.
A．so B．as C．if D．unless
9．Nowadays, Chinese food is getting more and more popular _________ it is not only colorful but also tasty.
A．unless B．because C．although D．until
10．—Did you hear the news about the opening of Ganzhou-Shenzhen high-speed railway on December 10th
—Yes. I was excited about it ________ my parents can come back home in 1.5 hours.
A．until B．but C．although D．because
11． Zha Xi didn’t go to school ________ he was ill.
A．because B．because of C．if D．so
12． We didn’t enjoy the trip at all ________ the weather was awful.
A．although B．because C．unless
13． We didn’t enjoy the day ________ it rained heavily.
A．because B．though C．if
14． ________ we have come to the old town, why not taste the local food
A．If B．Unless C．Since
15． I don’t have to introduce her to you ________ you know the girl.
A．until B．unless C．since D．but
16．________ your father is well again, you no longer have anything to worry about.
A．Since B．Before C．Although D．While
17． Many Chinese people are falling in love with camping ________ long-distance travel is becoming more difficult.
A．until B．although C．unless D．since
18． ________ you have finished most of your homework at school, you needn’t stay up late to do it.
A．Before B．Until C．Since D．When
19． ________ everything was going according to the plan, there was no need to worry.
A．Since B．Although C．Unless D．Before
20． ________ there are different customs in different countries, it’s necessary to learn them before going abroad to avoid trouble.
A．As B．Unless C．Although
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百日打卡-状语从句2
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。
一、单项选择
1． I love going to school ________ everyone in my class is friendly.
A．before B．although C．because D．unless
2． Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and taking away their land.
A．because B．until C．although D．before
3． We are making a big cake ________ it’s Dad’s birthday today.
A．because B．until C．once
4． I want to buy something special for my grandmother, _______ her birthday is coming.
A．because B．although C．so
5．—Mum, may I have more chocolate
—You’d better not ________ too much sweet food is bad for health.
A．until B．while C．although D．because
6． Lucy is busy making a fruit cake ________ it’s her mother’s birthday today.
A．or B．but C．although D．because
7．________ we’ve made the promise, let’s keep to it and not give up easily.
A．Whether B．Since C．Though D．Unless
8． Life is like a one-way race, so treasure every moment ________ time cannot be won again.
A．so B．as C．if D．unless
9．Nowadays, Chinese food is getting more and more popular _________ it is not only colorful but also tasty.
A．unless B．because C．although D．until
10．—Did you hear the news about the opening of Ganzhou-Shenzhen high-speed railway on December 10th
—Yes. I was excited about it ________ my parents can come back home in 1.5 hours.
A．until B．but C．although D．because
11． Zha Xi didn’t go to school ________ he was ill.
A．because B．because of C．if D．so
12． We didn’t enjoy the trip at all ________ the weather was awful.
A．although B．because C．unless
13． We didn’t enjoy the day ________ it rained heavily.
A．because B．though C．if
14． ________ we have come to the old town, why not taste the local food
A．If B．Unless C．Since
15． I don’t have to introduce her to you ________ you know the girl.
A．until B．unless C．since D．but
16．________ your father is well again, you no longer have anything to worry about.
A．Since B．Before C．Although D．While
17． Many Chinese people are falling in love with camping ________ long-distance travel is becoming more difficult.
A．until B．although C．unless D．since
18． ________ you have finished most of your homework at school, you needn’t stay up late to do it.
A．Before B．Until C．Since D．When
19． ________ everything was going according to the plan, there was no need to worry.
A．Since B．Although C．Unless D．Before
20． ________ there are different customs in different countries, it’s necessary to learn them before going abroad to avoid trouble.
A．As B．Unless C．Although
参考答案：
1．C
【详解】句意：我喜欢去上学，因为我班级的每个人都很友好。
考查连词辨析。before在……之前；although尽管；because因为；unless除非。“我班级的每个人都很友好”是解释喜欢去上学的原因，用because引导原因状语从句，故选C。
2．A
【详解】句意：很多野生动物没有安全的地方住，因为村子和农场正在逐渐扩大，夺走了它们栖息之地。
考查连词。because因为；until直到；although尽管；before在……之前。根据“don’t have a safe place to live”及“villages and farms are growing bigger and taking away their land”可知，后面的句子表达原因，用连词“because”。故选A。
3．A
【详解】句意：我们正制作一个巨大的风筝，因为今天是爸爸的生日。
考查连词。because因为；until直到；once一旦。根据“We are making a big cake”及“it’s Dad’s birthday today”，可知前后是因果关系，后面句子解释原因，用连词“because”连接。故选A。
4．A
【详解】句意：我想给我奶奶买点特别的东西，因为她的生日快到了。
考查连词。because因为；although虽然；so因此；空格前后句之间是因果关系，属于“前果后因”结构，应用because引导原因状语从句，故选A。
5．D
【详解】句意：——妈妈，我可以再多点巧克力吗？——你最好不要，因为太多的甜食对你的健康不好。
考查连词辨析。until直到；while当……时；although尽管；because因为。根据“You’d better not… too much sweet food is bad for health”可知，空格后是在解释不能多吃甜食的原因，用because引导原因状语从句，故选D。
6．D
【详解】句意：露西正忙着做一个水果蛋糕，因为今天是她妈妈的生日。
考查连词辨析。or“或者”；but“但是”；although“虽然”；because“因为”。根据“Lucy is busy making a fruit cake”和“it’s her mother’s birthday today”可知，露西做水果蛋糕的原因是今天是她妈妈生日；前后句为因果关系，应用because来连接。故选D。
7．B
【详解】句意：既然我们已经许下了诺言，就让我们信守诺言，不要轻易放弃。
考连词。Whether是否；Since既然；Though虽然；Unless除非；根据“we’ve made the promise, let’s keep to it and not give up easily.”可知，此处表达的是因果关系，应用since连接，引导原因状语从句，故选B。
8．B
【详解】句意：生活就像单程赛，所以珍惜每个时刻，因为时光一去不复返。
考查连词辨析。so所以；as因为；if如果；unless除非；根据句意，珍惜每个时刻……时光一去不复返，可知此处用as，表示“因为”。故选B。
9．B
【详解】句意：如今，中国菜越来越受欢迎，因为它不仅颜色鲜艳而且味道鲜美。
考查连词辨析。unless除非；because因为；although尽管，虽然；until直到。根据“it is not only colorful but also tasty.”可知，此处是表示中国菜越来越受欢迎的原因，用because引导。故选B。
10．D
【详解】句意：——你听说了12月10日赣深高铁开通的消息了吗？——是的。我很兴奋，因为我的父母可以在一个半小时内回家。
考查连词辨析。until直到；but但是；although尽管；because因为。结合语境可知赣深高铁通车后，由于第二个人的父母在一个半小时内就能回家，所以第二个人很兴奋，用because引导原因状语从句。故选D。
11．A
【详解】句意：扎西没有去学校，因为他生病了。
考查连词辨析。because因为，后接句子；because of因为，后接名词性短语；if如果；so因此。根据“Zha Xi didn’t go to school”和“he was ill”可知，前后句为因果关系，后一句表示原因，且是从句，故应用because引导原因状语从句。故选A。
12．B
【详解】句意：我们一点也不喜欢这次旅行，因为天气很糟糕。
考查连词辨析。although尽管；because因为；unless除非。根据“We didn’t enjoy the trip at all..the weather was awful.”可知前后句是因果关系，应用because引导原因状语从句，故选B。
13．A
【详解】句意：我们不喜欢这一天，因为雨下得很大。
考查连词辨析。because因为；though虽然；if如果。根据“We didn’t enjoy the day … it rained heavily.”可知，不喜欢这一天的原因是雨下得很大，空格处应用because引导原因状语从句。故选A。
14．C
【详解】句意：既然我们来到了这个古镇, 为什么不尝尝当地的食物呢？
考查连词辨析。If如果；Unless除非；Since自从、既然。根据“we have come to the old town, why not taste the local food ”可知，该句表示的是“既然已经来了古镇，为什么不品尝当地的事物呢？”，所以使用Since引导原因状语从句。故选C。
15．C
【详解】句意：我不用把她介绍给你，因为你认识那个女孩。
考查连词辨析。until直到；unless除非；since因为；but但是。根据“I don’t have to introduce her to you...you know the girl”可知前后两句是因果关系，前果后因，用since引导原因状语从句。故选C。
16．A
【详解】句意：既然你父亲已经康复了，你再也没有什么可担心的了。
考查连词辨析。Since因为，既然；Before在……之前；Although尽管；While当……时。根据“you no longer have anything to worry about”可知，因为父亲已经康复了，所以不需要担心了；故选A。
17．D
【详解】句意：由于长途旅行变得越来越困难，许多中国人都爱上了露营。
考查连词辨析。until直到；although尽管；unless除非；since因为。根据“long-distance travel is becoming more difficult.”可知此句和上文之间存在因果关系，用连词since，故选D。
18．C
【详解】句意：既然你在学校已经完成了大部分作业，所以你不必熬夜做。
考查连词辨析。Before在……之前；Until直到；Since既然，因为；When当。根据“you have finished most of your homework at school, you needn’t stay up late to do it”可知前后两句是因果关系，前因后果，用since引导原因状语从句。故选C。
19．A
【详解】句意：既然一切都在按计划进行，就没有必要担心了。
考查从属连词辨析。Since既然；Although尽管；Unless除非；Before以前。分析“...everything was going according to the plan, there was no need to worry.”可知，既然一切都在按计划进行，就没有必要担心了。since意为“既然”，引导原因状语从句。故选A。
20．A
【详解】句意：因为不同的国家有不同的风俗习惯，所以有必要在出国前了解它们，避免麻烦。
考查连词辨析。As因为；Unless除非；Although尽管。因为不同国家的风俗习惯不同，所以出国前应该了解它们，故用as引导原因状语从句。故选A。
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