2023年江苏中考英语语法专项突破-原因状语从句考点精练(上)(含答案详解)

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名称 2023年江苏中考英语语法专项突破-原因状语从句考点精练(上)(含答案详解)
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中小学教育资源及组卷应用平台
2023年江苏中考语法专项突破-原因状语从句考点精练(上)
学校:___________姓名:___________班级:___________考号:___________
一、单项选择
1.(2022·江苏扬州)________ this computer doesn’t work, let’s try another.
A.Since B.Because C.After D.While
2.(2022·江苏·淮安)—Why do you like listening to music
—________ it makes me feel relaxed.
A.Because of B.Because C.Since D.As
3.(2022·江苏盐城)—It’s said that Donglai fish soup noodles taste delicious.
—Well, ________ we are here, why not go to the restaurant and order some
A.though B.unless C.since D.whenever
4.(2022·江苏镇江)________ we’ve made the promise, let’s try to keep it.
A.Whether B.Since C.Though D.Unless
5.(2021·江苏淮安)_________ everybody is here now, let’s begin our meeting.
A.With B.For C.If D.Since
6.(2022·江苏·南通)—You recommend me to wear an orange shirt today, right
—Yes. ________ orange can bring you good luck, it is good for your interview.
A.As B.When C.If D.While
7.(2022·江苏淮安)We would like to buy electric cars ________ they produce less air pollution.
A.because B.so C.though D.but
8.(2022·江苏·宜兴市)—Do you think I should wear an orange shirt today
—Yes. ________ orange can bring you good luck, it is good for your interview.
A.And B.As C.But D.While
9.(2022·江苏无锡)Life is like a one-way race, so treasure every moment ________ time cannot be won again.
A.so B.as C.if D.unless
10.(2022·江苏·启东)________ your father is well again, you no longer have anything to worry about.
A.Since B.Before C.Although D.While
11.(2022·江苏镇江)Many Chinese people are falling in love with camping ________ long-distance travel is becoming more difficult.
A.until B.although C.unless D.since
12.(2022·江苏常州)________ 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
13.(2022·江苏扬州)________ everything was going according to the plan, there was no need to worry.
A.Since B.Although C.Unless D.Before
14.(2022·江苏南通)_________ most people get news online, printed newspapers won’t disappear in a hurry.
A.Because B.Since C.Though D.Unless
15.(2022·江苏南京)____________ we are young, we shouldn’t be too afraid of making mistakes.
A.Since B.Although C.While D.Unless
16.(2022·江苏盐城)Some students had to give up their hobbies ________ they were busy with their school work.
A.while B.because C.though D.until
17.(2022·江苏·南通)________ people have to be at least 18 to get the vaccine(疫苗), I have to wait several weeks for my next birthday.
A.Since B.Before C.Until D.When
18.(2021·江苏·苏州)—Christmas is coming. Shall we make a card for Miss Li
—Good idea! But please show me how to make it. I know little about DIY.
A.until B.when C.as D.unless
19.(2021·江苏徐州)________ everyone is here, let’s begin the party.
A.Since B.Though C.While D.Unless
20.(2021·江苏·沭阳县)—Let’s go to the science and technology museum now.
—OK. ________ it’s raining outside, we’d better take an umbrella and go there by taxi.
A.As B.When C.Until D.If
21.(2022·江苏无锡)________ the COVID-19 is still spreading rapidly, getting a vaccine(疫苗) is quite necessary.
A.Before B.Since C.Although D.unless
22.(2019·江苏苏州)—Have you returned Helen’s call
—I don’t need to ________ I’ll see her tomorrow.
A.if B.unless C.so D.because
23.(2021·江苏无锡)________ we’ve made the promise, let’s keep to it and not give up easily.
A.Whether B.Since C.Though D.Unless
24.(2022·江苏·扬州)Protecting wildlife is without doubt an important part, ________ each animal on Earth has a role to play in the ecosystem.
A.since B.though C.unless D.if
25.(2021·江苏扬州)At present,it is not easy for some students to get up early ________ they have too much homework to finish.
A.unless B.since C.as a result D.although
26.(2021·江苏·苏州)Andy, _________ you haven’t finished your homework, we have to play basketball without you.
A.although B.until C.since D.whenever
27.(2018·江苏·盐城)—Why didn't he stop to have a rest
—________ he had to complete his work on time.
A.Because B.If C.As D.Since
28.(2020·江苏徐州) you are very busy, I won’t go to Xuzhou Amusement Land with you.
A.Unless B.Whether C.Until D.Since
29.(2020·江苏镇江)—The local snack tastes spicy and sweet.
—Well, ___________ you are here, why not have a try
A.since B.because C.though D.unless
30.(2021·江苏·高港)________ you know little about protecting yourself against the novel coronavirus (新冠病毒), you'd better search for more information about it online.
A.Unless B.Since C.Though D.Whether
31.(2020·江苏盐城)________we've got a few minutes to wait for the train, let's have a cup of coffee.
A.Though B.Unless C.Since D.Until
32.(2021·江苏·星海)— Do you know a new shopping mall opened in our town yesterday
— Yes. Why don’t we pay a visit________we have time
A.until B.since C.unless D.though
33.(2020·江苏·南通)— The local food may taste a bit strange.
— Well, ________ we are here, why not give it a try
A.if B.although C.unless D.since
34.(2020·江苏扬州)We were at a disadvantage we did not have a very good knowledge of the language the others were using.
A.because B.although C.until D.unless
35.(2020·江苏扬州)Jack's wife wants him to work for another three years ________ their house will be paid off in three years.
A.because B.unless C.but D.or
36.(2018·江苏省淮阴) ─ What shall we do to kill time
─ Well, _______ it is Wanda Cinema’s half-price day, why not go to watch a film
A.since B.whether C.although D.until
37.(2020·江苏无锡)—The local food here may taste a bit strange.
—Well, ________we are here, why not give it a try
A.until B.since C.unless D.though
38.(2019·江苏·泰州)—________you have grown into an adult, you should tidy your room by yourself.
— OK, I will.
A.Since B.Though C.But D.So
39.(2019·江苏·扬州)________you can’t answer the question, maybe we’d better ask someone else.
A.Since B.So C.Unless D.Although
40.(2019·江苏镇江)_______ he can't answer the question, you'd better ask someone else.
A.Before B.Since C.Though D.Whenever
41.(2019·江苏·南通市)________ you sit in front of the computer all day while working, you’d better take exercise for at least an hour every day.
A.Even if B.Even though C.Since D.As if
42.(2020·江苏盐城)— Could you show the way to the station to me may be five minutes' walk from here
— No problem. But it's silly to take a taxi you can easily walk to the station.
A./; if B.which; since C.that; when D.who; if
43.(2019·江苏·江阴)_____there was no obvious evidence, most people didn’t think he was guilty of the robbery.
A.When B.While C.Since D.As
44.(2019·江苏·仪征)---Today, many people are in sub-health(亚健康), why
---Yes. They are so tired long time ________ they are busy with their work and exercise little every day.
A.because B.until C.though D.or
45.(2014·江苏泰州)—Did you give Dick a call
—I didn’t need to ______ I’ll see him soon.
A.when B.through C.until D.because
46.(2019·江苏省运河中学)- Is Li Lei at school today - No, he is at home _____ he has a bad cold.
A.until B.if C.because D.so
47.(2019·江苏·无锡)_________ yellow is the colour of wisdom, it is often used in exams by students.
A.While B.Once C.Since D.Though
48.(2020·江苏连云港) you know little about the Qing and Ming dynasties,you'd better read more books about them.
A.Unless B.Since C.Although D.Whether
49.(2018·江苏苏州)一Have you returned Helen's call
一I don't need to I'll see her tomorrow.
A.if B.unless C.so D.because
50.(2019·江苏·扬州) everyone is here, let’s start our meeting.
A.Because B.Since C.Because of D.As
51.(2019·江苏·扬州)____________ she had no money to afford the expensive car, she had to give it up.
A.So B.Because C.Since D.Until
52.(2018·江苏无锡)________ you are a middle school student, you should learn how to look after yourself.
A.Though B.While C.Since D.Unless
53.(2018·江苏苏州)______it is often cold in the mountains, you need to wear warm clothes.
A.Though B.Unless C.As D.Until
54.(2022·江苏南通)________ this is your first visit to New York, you’d better learn some of the customs.
A.Unless B.Until C.Since D.Although
55.(2018·江苏苏州)________ you know little about this art form, you can find a book to learn more.
A.Though B.While C.As D.Since
56.(2020·江苏泰州)— What shall we do now
— __________ it’s raining hard, let’s stay at home.
A.So B.Since C.Though D.Otherwise
57.(2016·江苏·仪征)—Today, most of the teachers are in sub-health(亚健康), why
—Yes. They are so tired long time ________ they are busy with their work and exercise little every day.
A.because B.as if C.though D.or
58.(2017·全国)--Is the motor way(高速公路) open today
--I'm afraid not. ___________ it is so foggy, it must be closed.
A.Because of B.As a result of C.If D.As
59.(2018·江苏苏州)The two companies decided to work together ______ they had common interest.
A.because B.unless C.but D.or
60.(2017·江苏连云港)Zhang Yimou was chosen to direct the opening ceremony of the Beijing Olympics _______he was a world-famous director.
A.unless B.because C.until D.so that
61.(2017·江苏南京)—You should do some housework ________________ you have grown up.
—OK, dad, I will.
A.unless B.until
C.since D.although
62.(2016·江苏南京)—You should do some housework ______ you have grown up.
—OK, dad, I will.
A.unless B.until C.since D.although
63.(2018·江苏无锡) Could you help me with housework _____________ you are free today
A.since B.though C.unless D.until
64.(2021·江苏·南通)Linda was very sad because her grandmother _______ in hospital last night.
A.gave away B.passed over C.passed away D.went over
二、用所给单词的正确形式填空
65.(2022·江苏·无锡)—It’s impossible to have my novel published. It’s always far from perfect.
—I believe it ________ (happen) since you have a real gift for writing.
参考答案:
1.A
【详解】句意:既然这台电脑不能工作,让我们试另一台吧。
考查从属连词辨析。Since因为,既然;Because因为;After在……之后;While在……期间。根据“this computer doesn’t work”可知,电脑不工作,是很明显的原因,且置于主句之前,因此应用since来引导原因状语从句。故选A。
2.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。
3.C
【详解】句意:——据说东莱鱼汤面味道鲜美。——既然我们来了,为什么不去餐厅点一些呢?
考查从属连词。though虽然;unless除非;since既然,自从;whenever无论何时。根据“Well, …we are here, why not go to the restaurant and order some ”可知,此处表原因,使用since引导原因状语从句。故选C。
4.B
【详解】句意:既然我们做了承诺,让我们试着遵守它吧。
考查连词辨析。Whether是否;Since既然;Though虽然;Unless除非。根据“we’ve made the promise, let’s try to keep it.”可知前后是因果关系,用since引导原因状语从句。故选B。
5.D
【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。with带有;for因为;if如果;since既然。根据“everybody is here now, let’s begin our meeting”可知,既然都到齐了,就可以开始开会,应填since符合语境,故选D。
6.A
【详解】句意:——你建议我今天穿一件橙色的衬衫,对吗?——是的。因为橙色能给你带来好运,所以它对你的面试有好处。
考查连词辨析。As因为;When当……时;If如果;While然而。根据“orange can bring you good luck, it is good for your interview.”可知,前后两个句子之间是因果关系,所以题空处应填从属连词as。故选A。
7.A
【详解】句意:我们想买电动汽车,因为它们产生的空气污染更少。
考查连词辨析。because因为;so因此;though尽管;but但是。上文“想买电动汽车”和下文“电动汽车产生较少空气污染”之间是因果关系,前者是结果,后者表原因,故用because连接。故选A。
8.B
【详解】句意:——你认为我今天应该穿一件橙色的衬衫吗?——是的。因为橙色能给你带来好运,它对你的面试很有好处。
考查连词辨析。And和;As由于;But但是;While当……时。根据“orange can bring you good luck, it is good for your interview”可知,前后句是因果关系,用as引导原因状语从句,故选B。
9.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。
10.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。
11.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。
12.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。
13.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。
14.C
【详解】句意:虽然大多数人在网上获得新闻,但纸质报纸不会很快消失。
考查连词辨析。because因为;since既然;though虽然;unless除非。“most people get news online”和“printed newspapers won’t disappear in a hurry”之间构成让步关系,用though引导让步状语从句。故选C。
15.A
【详解】句意:因为我们还年轻,所以不应该太害怕犯错误。
考查从属连词辨析。Since因为;Although尽管;While当……时候;Unless除非。根据“ ...we are young, we shouldn’t be too afraid of making mistakes.”可知,句子前后是因果关系,用Since引导原因状语从句。故选A。
16.B
【详解】句意:一些学生不得不放弃他们的爱好,因为他们忙于学业。
考查连词辨析。while在……期间;because因为;though尽管;until直到……为止。根据“Some students had to give up their hobbies”可知,学生放弃了爱好,是因为他们忙于学业。故选B。
17.A
【详解】句意:由于人们必须年满18岁才能接种疫苗,我得等几个星期才能等到下一个生日。
考查连词辨析。since既然,由于;before在……之前;until直到;when当……时。“ people have to be at least 18 to get the vaccine”与“I have to wait several weeks for my next birthday”是因果关系,用since引导原因状语从句,故选A。
18.C
【详解】句意:——圣诞节快到了。我们给李小姐做一张卡片好吗?——好主意!但是请告诉我怎么做,因为我对DIY知之甚少。
考查从属连词辨析。until直到;when当……时;as因为;unless除非。根据“But please show me how to make it. I know little about DIY”可知,空后解释“告诉我怎么做”的原因,应用as引导原因状语从句。故选C。
19.A
【详解】句意:既然大家都来了,让我们开始晚会吧。
考查连词辨析。Since既然;Though尽管;While当……时候;Unless除非,如果不。根据两句话的关系可知,前面这句话表示原因,后面表示结果,这里应用Since引导原因状语从句。故选A。
20.A
【详解】句意:——我们现在去科技馆吧。——好的。因为外面正在下雨,我们最好带把伞,然后乘出租车去那里。
考查连词辨析。as由于;when当……时;until直到;if如果。根据“it’s raining outside, we’d better take an umbrella and go there by taxi”可知,此处是解释带着伞,坐出租车去那里的原因,故选A。
21.B
【详解】句意:由于新型冠状病毒仍在快速传播,接种疫苗是非常必要的。
考查连词辨析。before在……之前;since由于;although尽管;unless除非。根据“ the COVID-19 is still spreading rapidly, getting a vaccine(疫苗) is quite necessary”可知,“新型冠状病毒仍在快速传播”是接种疫苗的原因,用since引导原因状语从句,故选B。
22.D
【详解】句意:——你给海伦回电话了吗?——我不需要回,因为我明天就要见到她了。
考查从属连词辨析。if如果;unless除非;so所以;because因为。根据“I don’t need to”以及“I’ll see her tomorrow.”可知,此空是因为,表示原因。故选D。
23.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。
24.A
【详解】句意:保护野生动物无疑是一个重要的部分,因为地球上的每一种动物都在生态系统中扮演着重要的角色。
考查连词辨析。since因为;though尽管;unless除非;if如果。“Protecting wildlife is without doubt an important part”与“each animal on Earth has a role to play in the ecosystem”是因果关系,后是因,用since引导原因状语从句,故选A。
25.B
【详解】句意:现在,有些学生起得早并不容易,因为他们有太多的作业要完成。
考查连词辨析。unless除非;since既然,自从;as a result结果;although尽管,虽然。根据“At present,it is not easy for some students to get up early”可知,和下文之间存在因果关系,故选B。
26.C
【详解】句意:安迪,既然你还没有完成作业,我们只好不带你去打篮球了。
考查连词辨析。although虽然,尽管;until直到;since既然;whenever无论何时。“you haven’t finished your homework”是后句“we have to play basketball without you”的原因,所以用since引导原因状语从句,故选C。
27.A
【详解】句意:——他为什么不停下来休息会呢?——因为他必须按时完成他的工作。
考查连词辨析。Because因为;If如果;As由于,因为;Since因为,既然,根据“Why”引导的特殊疑问句,回答用because,故选A。
28.D
【详解】句意:既然你很忙,我将不跟你去徐州游乐园。
考查从属连词辨析。unless除非,whther是否,until直到,since既然,根据句意可知前后两句为因果关系,since引导原因状语从句,故选D。
29.A
【详解】句意:——当地的小吃尝起来又辣又甜。——嗯,既然你在这里,为什么不试一下呢?
考查从属连词辨析。since既然;because因为;though虽然;unless除非。根据句意可知,这里表达的意思是“既然你在这里,为什么不试一下”,是since引导的原因状语从句。故选A。
30.B
【详解】句意:既然你对保护自己避免感染新冠病毒不怎么了解,你最好在网上搜寻关于它的更多信息。
考查连词。unless除非;since既然,因为;though虽然;whether是否。“you know little about protecting yourself against the novel coronavirus”表示原因,用since引导原因状语从句。故选B。
31.C
【详解】句意:既然我们还有几分钟的时间等火车,我们就喝杯咖啡吧。
考查连词词义辨析。Though 尽管;Unless除非;Since自从,既然;Until直到。根据前后句语境可知是指“既然我们还有几分钟的时间等火车”,所以since符合,故选A。
32.B
【详解】句意:——你知道昨天我们镇上新开的一家购物中心吗?——是的。既然有时间,我们何不去看看呢?
考查连词。until直到……才,引导时间状语从句;since既然、自从,引导原因和时间状语从句;unless除非不,引导条件状语从句;though虽然,引导让步状语从句。根据空前后的句意可知,空处的词引导原因状语从句,故选B。
33.D
【详解】句意:——当地的食物可能尝起来有一点奇怪。——好吧,既然我们来到这里,为什么不试一试呢?
考查连词辨析。if如果;although虽然;unless除非;since既然。答者提议尝试当地的食物,那么二者就是已经到当地了,而且答者是想尝试的,所以用“既然”。故选D。
34.A
【详解】句意:我们处于劣势,因为我们对其他人使用的语言不太了解。
考查连词辨析。because因为;although虽然;until直到;unless除非,根据所给空前面的We were at a disadvantage和后面的we did not have a very good knowledge of the language the others were using可知,是因果关系,故选A。
【点睛】because和because of意为“因为”,区别如下:
because后面接句子。例如:He is late for school because he gets up late.他上学迟到了因为他起晚了。
because of后面接名词或名词短语。例如:The sports meeting is put off because of the heavy rain.因为大雨,运动会被推迟了。
35.A
【详解】句意:杰克的妻子想让他再工作三年,因为他们的房子的债务将在三年内还清。
考查连词的用法,A.because 因为;B.unless 除非;C.but 但是;D.or 或者。结合语境应该是因果关系,因为他们还需要偿还债务,所以杰克需要继续工作。故选A。
36.A
【详解】句意:——我们该做什么来消磨时间呢 ——好吧,既然今天是万达院线的半价日,为什么不去看电影呢
考查连词。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 Wanda Cinema’s half-price day”可知今天是万达院线的半价日,可推测出此处是“因为”,所以用“since”,故选A。
37.B
【详解】句意:——这里的本地食物可能尝起来有点怪。——既然我们来了,为什么不试一试呢?
本题考查状语从句。until直到;since由于,既然;unless除非;though尽管。根据句意,前半句表示我们来了,后半句表示我们要试一试,前后是因果关系,故选B。
38.A
【详解】句意:——既然你已经长大成人了,你应该自己收拾房间。——好的。我会的。
考查连词辨析。Since既然;Though虽然、即使,引导让步状语从句;So因此,表因果;But但是,表转折;从文字的表层意思推断空格指既然你已经长大成人,用since引导原因状语从句。故选A。
39.A
【详解】句意:既然你不能回答这个问题,也许我们最好问问别人。
考查连词辨析。Since既然;So所以;Unless除非;Although虽然。since意为"既然",后面接对方已知的、无需加以说明的原因或事实,根据所给空后面的句子you can’t answer the question, maybe we’d better ask someone else可知,since最符合语境,故选A。
40.B
【详解】句意:既然他不能回答那个问题。你最好问问其他人。
A. Before在……之前;B. Since既然;C. Though尽管;D. Whenever无论何时。he can't answer the question这里是因为他不能够回答这个问题,这里表示原因,可知上文用Since引导的原因状语从句。根据题意,故选B。
41.C
【详解】句意:既然你整天坐在电脑前工作,你最好每天锻炼至少一小时。
考查连词辨析。A. Even if 意为“即使”,一般引导的是把握不大或假设的事情; B. Even though意为“即使”,引出的是事实; C. Since意为“由于”,表已知的事实或显见的原因;D. As if 意为“好像”引导表语从句或引导方式状语从句;从文字的表层意思推断,“你整天坐在电脑前工作”表示已知的事实,判断空格用since,故选C。
42.B
【详解】句意:—你能告诉我从这儿大概要走五分钟就到的车站的路吗?——没问题。但是不必坐出租车,因为你可以很容易地走到车站。根据句子结构可知,第一个空后是定语从句,先行词是the way,从句中缺少主语,故用which引导;第二空引导的是状语从句,if如果;since既然;when当…时候。根据句意可知,应填since,引导原因状语从句。故选B。
43.C
【详解】句意“由于没有明显的证据,大多数人认为他没有犯抢劫罪”。A.当……时候(引导时间状语从句);B.当……时候(引导时间状语从句);C.since“因为”、“既然”,侧重主句,从句表示显然的或已为人所知的理由,语气比because稍弱;D. as因为,表示的“原因”是双方已知的事实或显而易见的原因,或者理由不是很重要。根据句意可知,因为没有明显的证据,且这个理由很重要,所以人们认为他没有犯抢劫罪,故选C
44.A
【详解】句意:——今天,许多人处于亚健康状态,为什么 ——是的。他们长时间很累,因为他们忙于工作,每天很少锻炼。考查连词辨析。because因为,表原因;until直到,表时间;though尽管,表让步;or或者,表转折。本句是原因状语从句,前果后因;根据句意结构和语境,可知选A。
45.D
【详解】试题分析: 句意:你给汤姆打电话了吗? 我没必要打,因为我很快就要看到他了。when当……的时候,though尽管,.until直到,because因为。根据-I didn’t need to,我没必要打,可知不打电话是有原因的,故选D
考点:考查连词。
46.C
【详解】句意:——李磊今天在学校吗?——不,他在家因为他感冒了。A. until直到;B. if如果;C. because因为;D. so因此。根据下文he has a bad cold可知这里是表示原因。根据题意,故选C。
47.C
【详解】句意:因为黄色是智慧的颜色,它经常被学生用在考试中。While当……时候,once一旦,since因为,由于;though尽管。结合句意,黄色是智慧的颜色,这是学生考试中使用黄色的原因,故用连词since。故选C。
48.B
【详解】句意:既然你对明清两个朝代了解不多,你最好阅读更多关于他们的书籍。
Unless除非,如果不,引导条件状语从句;Since自从,引导时间状语从句;既然,引导原因状语从句;Although尽管,引导让步状语从句;Whether是否,常引导名词性从句。根据句意可知,前半句表示的是原因,故应选B。
49.D
【详解】本题考查:连词辨析。选项分析:A. if 如果。 B. unless 除非。C. so 所以。D. because因为。综合分析前后文及答案选项,完整句意为:一Have you returned Helen's call 一I don't need to ,because I'll see her tomorrow.一你给海伦回电话了吗 一不需要,因为我明天会见到她。正确答案为:D
50.B
【详解】句意:既然大家都来了,我们开始开会吧。
考查连词辨析。A. Because因为,表示直接的原因或理由,表示产生那种结果的必然的因果关系,语气最强;B. Since既然,因为,表示对方稍加分析、已知的无需加以说明的原因或事实,从句多置于句首,语气较because弱;C. Because of因为,介词词组,后面需接具有名词性质的人或物;D. As因为,由于,表示十分明显的原因,只说明一般的因果关系,语气较since弱。“everyone is here”是事实可知用Since;选B。
51.C
【详解】句意:因为她没有钱买这辆昂贵的车,她只好放弃了。
考查并列连词辨析。A. so因此,所以,并列连词,表示因果关系,后面跟结果;B. because因为,从属连词,表示因果关系,后面跟原因;C. since作“因为,既然”是从属连词,后面跟原因;D. until直到,在…以前,引导时间状语从句。because表示直接原因,表示产生那种结果的必然的因果关系,语气最强,since表示对方已知的无需加以说明的原因或事实,语气比because弱,一般放在句首。结合句意可知“没有钱买这辆昂贵的车”这是事实,填Since;选C。
52.C
【详解】试题分析:句意:既然你是中学生了,你应该学会自己照顾自己。 A. Though 虽然;B. While当……时候; C. Since自从,既然;D. Unless除非,根据句意及题干分析此处是表原因,所以选C。
考点:考查连词的用法
53.C
【详解】句意:由于在山里常常很冷,你需要穿暖和的衣服。A. Though虽然;B. Unless除非;C. As由于;D. Until直到…时。根据题干______it is often cold in the mountains, you need to wear warm clothes.可知此处用as来引导原因状语从句,即“由于在山里常常很冷,你需要穿暖和的衣服”,故选C。
54.C
【详解】句意:因为这是你第一次访问纽约,你最好了解一些风俗。
考查连词辨析。Unless 除非; Until 直到; Since 因为;Although尽管;根据“you’d better learn some of the customs.”可知,此处是表示原因,用连词Since,故选C。
55.D
【详解】句意:既然你对艺术形式不了解,你可以找一本书来更多的了解一下。Though尽管,虽然;While当…时候;As当…时候;作为;Since既然;自从。根据句意可知,这里是since引导的原因状语从句,since的意思是“既然”。故选D。
56.B
【详解】句意:——我们现在该做什么?——既然雨下得这么大,就让我们呆在家里吧。
考查原因状语从句。A. so 因此,所以,表示结果;B. since 既然,由于,自……以来,表示原因或时间;C. though虽然,尽管,引导让步状语从句;D. otherwise 否则。根据句意可知这里应该是表示原因的,故选B。
57.A
【详解】解析:句意:——今天大多数的教师亚健康,为什么?——是的,他们很长时间都很累,因为他们每天都忙于工作而锻炼少。A. because“因为”,引导原因状语从句;B. as if“好像”,引导表语从句或方式状语从句;C. though虽然、尽管;引导让步状语从句;D. or“或者”,常用于否定句,用于连接两个并列的句子。分析题干可知they are busy with their work and exercise little是They are so tired long time的原因,故选A。
58.D
【详解】句意:——今天高速公路开着吗?——恐怕没有。因为雾如此大,它必须关上。Because of因为,是介词短语,后面接名词、代词或动名词;as a result of由于,是介词短语,后面接名词、代词或动名词;if如果,是连词;as因为,是连词。此处接句子,表示原因,故用连词as。故选D。
59.A
【详解】试题分析:句意:这两家公司决定合作,因为他们有共同的利益。前因后果,后面是表原因的状语从句,用because连接。A.because; B. unless 除非,表让步;C. but但是,表转折;D. or或者,表选择。故选A。
考点:考查原因状语从句的连词 。
60.B
【详解】句意:张艺谋被选为北京奥运会开幕式的导演,因为他是一个全球著名的导演。unless除非,如果不;because因为;until直到…时候;so that以至于,为的是。根据句意可知,这里解释的是张艺谋被选为北京奥运会的导演的原因,故应选B。
61.C
【详解】试题解析:句意:你应该做家务,因为你已经长大了。-好的,爸爸,我会的。A. unless除非,如果不;引导否定的条件状语从句;B. until在……以前;到……为止;引导时间状语从句;C. since因为;由于;既然;自……以来;自……以后;引导时间和原因状语从句;D. although尽管;虽然;但是;然而。引导让步状语从句。结合句意可知选C。
考点:考查连词辨析。
62.C
【详解】试题分析:句意:-既然你长大了,应该做些家务活。-好的,爸爸,我会的。since 连词,既然,表示原因;unless除非,如果不,否定条件;although尽管,表示让步。根据句意,前后两句话之间是因果关系,故选C。考点:考查连词
63.A
【详解】试题分析:句意:既然你今天有空,你能帮我做家务吗?since ,既然,由于,表示显而易见的原因。though, 虽然,引导让步状语的从属连词;unless, 除非,引导条件状语从句的连词;until, 直到……引导时间状语从句的连词。根据句意, 故选A。
考点:考查连词的用法。
64.C
【详解】句意:琳达很难过,因为她的祖母昨晚在医院去世了。
考查动词短语的用法。A. gave away捐赠 ;B. passed over忽视;C. passed away 去世;D. went over重温,搁置起来;结合句意,故选C。
65.will happen
【详解】句意:——我的小说不可能出版。它总是远不够完美。——我相信会的,因为你有真正的写作天赋。happen“发生”,作谓语,根据“It’s impossible to have my novel published.”可知,空前的“it”指代小说出版,相信这件事将会发生,用一般将来时will do的结构。故填will happen
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