/ 让学习更有效 期末备考培优 | 英语学科
2025-2026学年九年级英语上册期末核心语法培优仁爱科普版
核心语法:原因状语从句
学校:___________姓名:___________班级:___________考号:___________
1.Which of the following is WRONG _______
A.He told me that if he was free, he would come to our party.
B.Now that the rain has stopped, would you like to go out for a walk
C.You should make it a rule to leave things where you can find them again.
D.They are so hard-working students that they do well in the exams.
2.______ I'm late again, ______ the teacher is very angry.
A.Because; / B.So; / C.Because; so D./; but
3.______ everyone makes mistakes in his life, let's give him another chance.
A.Since B.Before C.Although D.After
4. I didn't go to the party not____ the weather, but ____I didn't feel well.
A.because of; because B.because; because of
C.because; because D.because of; because of
5.I don't like watching TV ________ it's boring.
A.so B.because C.but
6.I didn't go to the party not the weather, but I didn't feel well.
A.because of; because B.because; because of
C.because of; because of D.because; because
7. I don't like playing games on the computer ____ it's boring.
A.so B.and C.but D.because
8. — You only ate a little. Are you feeling uncomfortable
— No. I'm forever on a diet, ____ I put on weight easily.
A.until B.though C.so D.since
9.He didn't go to the cinema not _______ the weather, but_______ he didn't want to see the film.
A.because; because B.because; because of
C.because of; because D.because of; because of
10. Jenny didn't go to school today ____ she broke her left leg in the P.E. class.
A.when B.because C.if D.unless
11.Little John didn't accept his mother's help_____he wanted to try it himself.
A.though B.until C.as soon as D.because
12.— Why hasn't Mr Li come to work today
— __________ he has gone to Beijing to have a meeting.
A.If B.Until C.Though D.Because
13.I don't like physics ______ it's too difficult for me.
A.and B.so C.because D.but
14. you are very busy, I won't go to Xuzhou Amusement Land with you.
A.Unless B.Whether C.Until D.Since
15. He didn't go to school yesterday ____ he was ill.
A.because B.because of C.if D.so
16. The family had to stay at the hotel, ____ it was rainy outside.
A.instead B.because C.because of
17.It's hard for us to say goodbye we have so many happy days to remember.
A.so B.because C.although D.until
18. —The local food may taste a bit strange.
—Well, ____we are here, why not give it a try
A.though B.unless C.since
19. he sleeps all day, he is very lazy.
A.Because, so B.So, because C.Because, / D.So, /
20. Walkers have to be careful ____ the weather can change suddenly, especially in the mountains.
A.but B.and C.because D.or
21. I always get up early on weekdays ____ I am afraid I'll be late for school.
A.though B.if C.because
22.Nancy didn't go to school yesterday she had a fever.
A.if B.when C.though D.because
23.I was late for class yesterday __________ there was something wrong with my bike.
A.when B.that C.because D.until
24.— Is Mr. Smith in the office
— Yes, ________ he is in charge of the office, he must be there.
A.since B.however C.whether D.for
25.He didn't go to school yesterday ________ he was ill.
A.because B.because of C.if D.so
26.All of us like pandas very much ________ they are very cute.
A.because B.so C.but D.or
27.—Are you going on a field trip tomorrow
—I'm afraid not,____it may be rainy.
A.before B.because C.when D.though
28.—Look! Simon is practising football on the playground.
—Yes, he practises much harder he doesn't want to lose the match next Saturday.
A.so B.though C.but D.because
29.You shouldn't listen to loud music ________ it may hurt your ears.
A.because B.but C.so D.although
30. I love going to school ____ everyone in my class is friendly.
A.before B.although C.because D.unless
31.Tom had to wait for his wife to come back home ________ he had left his key in the office.
A.because B.unless C.until
32.My uncle likes watching World News ________ it can help him learn more about the world.
A.because B.so C.but
33. I like music ____ it's relaxing.
A.why B.but C.and D.because
34. Kate is the top student in her class ____ she studies hard.
A.and B.so C.because D.why
35. ____ we didn't win the match, we were still full of confidence.
A.Because B.If C.Although D.Since
36.______ everyone is here, let's begin our meeting.
A.Unless B.Since C.Although D.When
37.____everyone knows about it, she doesn't want to talk about it any more.
A.Though B.Since C.Even
38.You can't go to the library ______ you don't have a student ID card.
A.because B.unless C.if
39.Betty was late for school this morning __________the traffic was too heavy.
A.because B.if C.though D.while
40. I don't like eating ice﹣cream ____ I don't want to be fat.
A.because B.but C.and D.so
41.English is my favorite subject. I like English ________ it's very interesting.
A.and B.because C.so D.but
42. Some of the students are nearsighted (近视的)____ they spend too much time watching TV or playing online games.
A.50 B.but C.if D.because
43.I have never wanted to be a white collar worker(白领) , __________ I would be bored with office work.
A.as B.if C.so D.or
44.Last Saturday it was snowing heavily,____we had to stay home.
A.if B.so
C.because D.while
45. Many people like pandas ____they are cute.
A.while B.if C.because
46.________ they are very busy this afternoon, ________ they can't play soccer with me.
A.Because; so B.Because; / C.So; / D./; but
47.I like oranges ___________ they are sweet.
A.because B.so C.although D.but
48. I tell my mother not____me, ____I am 14 years old.
A.worry out; because B.to worry out; because
C.to worry about; because of D.to worry about; because
49.I don't like math ________ it's too difficult for me.
A.and B.so C.because
50.—What shall we do now
—______ it's raining hard, let's stay at home.
A.So B.Since C.Though
参考答案及试题解析
1.D
【解析】句意:下面哪个句子是错误的?选项D中 hard-working students勤奋的学生们,hard-working修饰名词,so修饰形容词,such修饰名词词组,这里用such... that...如此……以至于……,意思为”他们是如此勤奋的学生,他们考试成绩很好。“,此句有误,故选D。
【点评】考查句子是否正确。首先理解句子的意思,掌握句子中的时态,逐一进行检查,找出每句中的错误,从而选出正确的答案。
2.A
【解析】句意:因为我又一次迟到,老师很生气。because与so不连用,because表示原因,so表示结果,but表示转折,根据句意,故选A。
【点评】考查because引导原因状语从句。
3.A
【解析】句意:既然每个人在一生中都会犯错误,让我们再给他一次机会。A.既然,因为;B.在……之前;C.虽然;D.在……之后。根据前后句句意可知,前句是后句的原因,用since引导原因状语从句,故选A。
【点评】考查连词辨析和原因状语从句。注意根据前后句关系选择正确的连接词。
4.A
【解析】句意:我没去聚会不是因为天气,而是因为我感觉不舒服。because of和because都表示原因,区别是前者后面接名词性短语,后者接从句。第一空后" the weather "为名词,应用because of;第二空后"I didn't feel well"为句子(主+系+表),应用从属连词because。故选A。
【点评】考查because of和because的用法辨析。
5.B
【解析】句意:我不喜欢看电视,因为很无聊。so因此;because因为;but但是。"it's boring"是不喜欢看电视的原因,用because连接。故选B。
【点评】考查连词辨析。熟记常见的连词,结合语境,选择正确答案。
6.A
【解析】句意:我去参加聚会不是因为天气原因,而是因为我感觉不舒服。because of + 短语/名词/代词/v.ing;because + 句子。the weather名词,故用because of;I didn't feel well.完整句子,故用because,故选A。
【点评】考查固定搭配和原因状语从句。注意because引导原因状语从句的用法。
7.D
【解析】句意:我不喜欢在电脑上玩游戏,因为那样很无聊。A所以,B并且,C但是,D因为,it's boring是I don't like playing games on the computer的原因,故用because引导原因状语从句,故选D。
【点评】考查连词,注意识记because的用法。
8.D
【解析】句意:——你只吃了一点。你感觉不舒服吗?——没有。我一直在节食,因为我很容易发胖。A:直到, B:虽然, C:所以 ,D:自从,因为I put on weight easily,可知You only ate a little,故选D。
【点评】考查连词,注意识记since的用法。
9.C
【解析】句意:他不去看电影不是因为天气,而是因为他不想看这个电影。because 和because of都表示因为的意思,because+句子,because of +名词及短语/代词宾格/动名词。第一空后面是名词,因此用because of,第二空是句子,因此用because,故选C。
【点评】考查近义词辨析,注意词及词组的用法。
10.B
【解析】句意:珍妮今天没有去上学因为她在体育课上摔断了左腿。分析句子结构结合选项可知此处是复合句的连词,结合句意珍妮今天没有去上学是因为她在体育课上摔断了左腿,两者是因果关系。故选B。
【点评】考查原因状语从句。要仔细分析空格前后的句意理清是什么关系。
11.D
【解析】句意:小约翰不接受他母亲的帮助,因为他想亲自试一试。A. though“尽管”; B. until “直到”;C. as soon as“一……就……”;D. because“因为”。结合句意,故选D。
【点评】考查because引导的原因状语从句。
12.D
【解析】句意:"今天为什么李先生没来上班?""因为他去北京开会了。"用why提问,回答用because,A引导条件状语从句;B引导时间状语从句;C引导让步状语从句。故选D。
【点评】考查状语从句的连词辨析。
13.C
【解析】句意:我不喜欢物理,因为对我来说物理太难了。Because连词,因为,引导原因状语从句。所以选C。
【点评】考查引导状语从句的连词辨析。
14.D
【解析】句意: 既然你很忙,我就不跟你去徐州游乐园了。 A.除非;B.是否;C.直到;D.既然,因为。根据句意可知,此句是since引导的原因状语从句,意思是“既然,因为”。故选D。
【点评】考查原因状语从句,注意since引导的原因状语从句的用法。
15.A
【解析】句意:他昨天没去上学,因为他生病了。because因为(连词,后接句子);because of 因为(介词短语,后接名词/代词);if如果(连词,引导条件句);so所以(连词,表结果)。根据" He didn't go to school yesterday...he was ill. "可知,空前后为因果关系,前果后因,故空处表示"因为",且空处为一个句子,应用becuse引导原因状语从句。故选A。
【点评】考查连词辨析。注意:句子上下文是判断连词正确性的重要依据。考生需要仔细阅读句子,理解句子之间的逻辑关系,从而推断出应该使用哪个连词。连词在不同句型中的用法可能会有所不同。考生需要掌握连词在简单句、并列句和复合句中的用法,以便在解题时能够准确判断句子的类型和连词的正确用法。
16.B
【解析】句意:这家人不得不住在旅馆里,因为外面在下雨。A.instead代替,反而;B.because因为,后接原因状语从句;C.because of因为,后接名词或者短语。上下文是因果关系,且it was rainy outside是句子,应用because引导原因状语从句,故选B。
【点评】考查原因状语从句。注意because和because of的用法区别。
17.B
【解析】句意:对于我们来说很难说再见,因为我们有许多值得记忆的快乐的日子。A.如此;B.因为;C.尽管;D.直到。很多快乐的日子是无法说再见的原因,因此用because,表原因,引导原因状语从句,故答案是B。
【点评】考查连词辨析,注意构成原因状语从句使用because。
18.C
【解析】句意:——当地的食物吃起来可能有点奇怪。——好吧,既然我们到了,为什么不试试呢?though尽管;unless除非;since由于,既然。由下文why not give it a try 与上文是原因关系,用since,故选C。
【点评】考查连词辨析。根据前后句的关系,确定正确的连词。
19.C
【解析】句意:因为他整天睡觉,所以他是非常懒惰的。Because表示因为;so表示因此,在英语中Because和so 不能同时连用。根据题意,故选C。
20.C
【解析】句意:步行者必须小心,因为天气会突然变化,尤其是在山区。but但是;and和;because因为;or或者。根据"Walkers have to be careful ... the weather can change suddenly"可知,空前后句是前果后因的关系,用because引导原因状语从句。故选C。
【点评】考查连词辨析。注意正确分析句子结构以及句子内部语义上的逻辑关系,根据题目所给语境选择正确的连词。
21.C
【解析】句意:工作日的时候我经常早起,因为我害怕上学迟到。分析句子结构可知,此处缺少一个连词连接从句,主句I always get up early on weekdays 我在工作日总是早起,从句I am afraid I'll be late for school. 我很担心我会上学迟到,可知从句表原因,because连词,因为,故选C。
【点评】考查连词,主语because连接原因状语从句的正确使用。
22.D
【解析】句意:南希昨天没有上学,因为她发烧了。A: if 如果;B: when 当……时;C: though虽然; D: because因为。根据前后句的意思,可知后句是前句没有上学的原因,要用连词because,故选D。
【点评】考查连词辨析。理解连词词义和用法,根据前后句的关系选择正确的连词。
23.C
【解析】when当……时;that因为;以至于;because因为;until直到。句意:我昨天上课迟到了,因为我的自行车坏了。结合语境可知选C。
【点评】连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词。连词的用法都比较多,语义之间还有交叉,熟记其基本应用规则,了解其区别,注意固定搭配对象,是做好此类题型的关键。
24.A
【解析】句意:——史密斯先生在办公室吗?——是的,既然他负责办公室,他一定在那儿。since既然,表示显而易见的原因;however然而,副词,通常用逗号隔开;whether是否,引导名词性从句;for因为,表示推断的理由。根据句意可知选A。
【点评】考查引导从句的连词辨析。
25.A
【解析】句意:他昨天没有去上学因为他病了。because 因为,表示原因,引导原因状语从句;because of 因为,后跟名词或动名词形式;if 如果,引导条件状语从句;so因此,所以,表示结果。根据句意和他们的用法可知选A。
【点评】考查连词。
26.A
【解析】句意:我们都很喜欢熊猫,因为它们非常可爱。because因为;so因此;but但是;or或者。根据"All of us like pandas very much …they are very cute."可知,前后为因果关系,且前为果后为因,应用because引导原因状语从句。故选A。
【点评】考查连词辨析,首先理解连词词义,然后根据前后句句意确定答案。
27.A
【解析】句意:——你明天要去野外旅行吗?——恐怕不行,因为可能下雨。A:before在……之前;B:because因为;C:when当……时;D:though尽管。根据前后句的意思,可知前后句是因果关系,前果后因,用because,故选B。
【点评】考查连词辨析。理解连词的词义,根据前后句的关系,选择正确的连词。
28.D
【解析】句意:——看!西蒙正在操场上练习足球。——是的,他练习得更努力了,因为他不想在下周六输掉比赛。A: so因此,表示结果; B: though虽然,表示转折; C: but但是,表示转折; D: because因为,表示原因。根据前后句意思,可知后句是前句发生的原因,要用从属连词because,故选D。
【点评】考查连词辨析。根据理解连词词义和用法,前后句的关系,选择正确的连词。
29.A
【解析】句意:你不应该听大声的音乐,因为它可能会伤害你的耳朵。because因为;but但是;so所以;although虽然。根据"You shouldn't listen to loud music ... it may hurt your ears."可知,前后句子之间是因果关系,此处应用because引导原因状语从句。故选A。
【点评】考查连词辨析。要熟记常见的连词,结合语境和语法知识,选择正确答案。
30.C
【解析】句意:我喜欢去上学,因为我班级的每个人都很友好。 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。
【点评】考查连词辨析,注意识记because的用法。
31.A
【解析】句意:汤姆不得不等他妻子回家,因为他把钥匙忘在办公室了。because因为;unless除非;until直到。此句前后是因果关系,用because引导的原因状语从句。故选A。
【点评】考查连词辨析,注意because引导的原因状语从句的用法。
32.A
【解析】句意:我叔叔喜欢看世界新闻因为它可以帮助他更多地了解世界。because因为;so所以;but但是。根据"My uncle likes watching World News ... it can help him learn more about the world."可知前后是因果关系,应用because。故选A。
【点评】考查连词辨析。注意:1. 分析句子结构。首先,明确空缺处前后是分句、短语还是单词,判断是否需要连词(如并列连词and/or/but)或从属连词(because/although/when)。若连接两个独立分句,需确认是并列关系(用逗号+并列连词)还是主从关系(用从属连词)。2. 识别逻辑关系。根据上下文判断逻辑类型:因果关系(therefore、because/since/as),转折关系(but/yet,although/even though),条件关系(unless(=if not), provided that),时间关系(while, as soon as)3. 排除干扰项。以词性、逻辑关系以及固定搭配为根据一一排除错误选项。
33.D
【解析】句意:我喜欢音乐因为它令人放松。A为什么,B但是,C并且,D因为,I like music的原因是it's relaxing,故选D。
【点评】考查连词,注意识记because的用法。
34.C
【解析】句意:凯特是班上的尖子生,因为她学习努力。and和,并且;so因此,所以;because因为;why为什么。根据 Kate is the top student in her class( 凯特是班上的尖子生 ) 和she studies hard( 她学习努力 )可知两个句子之间是因果关系,后面是原因,用because连接原因状语从句,故答案为C。
【点评】考查because引导的原因状语从句。理解句意并掌握because的意义和引导原因状语从句的用法。
35.C
【解析】句意:虽然我们没有赢得比赛,但我们仍然充满信心。A.因为,表示原因;B.如果,表示条件;C.尽管,表示让步;D.自从。we didn't win the match我们没有赢得比赛,we were still full of confidence我们仍然充满信心,可知前后句表示让步,即虽然我们没有赢得比赛,但我们仍然充满信心。所以用although,故选C。
【点评】考查连词辨析,首先识记连词区别,然后根据前后句句意确定连词。
36.B
【解析】句意:既然大家都在,我们开会吧。unless除非;since自从;既然;although虽然;when当……时;根据句意可知选B。
【点评】考查引导状语从句的连词。
37.B
【解析】句意:既然大家都知道了,她不想再提这件事了。A.Though尽管;B.Since既然,因为;C.Even甚至。根据" everyone knows about it "可知,此处解释了不想再提这件事的原因,需用since引导原因状语从句。故选B。
【点评】考查状语从句。注意since可以引导原因状语从句也可以引导时间状语从句。
38.A
【解析】句意: 你不能去图书馆,因为你没有学生证。 A.因为;B.除非;C.如果。根据 you don't have a student ID card 是 You can't go to the library 的原因可知,此句是because引导的原因状语从句。故选A。
【点评】考查状语从句,注意because引导的原因状语从句的用法。
39.A
【解析】句意:交通太拥挤了,Betty今天早晨上学迟到。表示原因要用because,因为,后跟句子,if:如果,though:尽管,while:当······时候,故选A。
【点评】考查连词。熟记这些连词以及它们引导的状语从句。
40.A
【解析】句意:我不喜欢吃冰激凌因为我不想胖。because因为; but但是; and和; so所以。根据I don't like eating ice-cream (我不喜欢吃冰激凌)是因为I don't want to be fat. (我不想胖。)可知,应该用because来引导原因状语从句。故选A。
【点评】考查连词辨析。应牢记其含义和用法,结合语境答题。
41.B
【解析】句意:英语是我最喜欢的科目。我喜欢英语,因为它非常有趣。and“而且”,表示递进关系;because“因为”,表示原因;so“所以”,表示结果;but“但是”,表示转折;结合句意,因为英语有趣,所以喜欢它,故此处表示原因,故用连词because,故选B。
【点评】考查连词辨析,本题涉及because引导的原因状语从句的应用。
42.D
【解析】句意:有些学生近视了,因为他们花了太多时间看电视或玩在线游戏。so 因此; but 但是; if 如果; because 因为。分析句子语境可知,空后为空前的因,空处表示"因为"。故选D。
【点评】考查连词辨析。句子上下文是判断连词正确性的重要依据。考生需要仔细阅读句子,理解句子之间的逻辑关系,从而推断出应该使用哪个连词。连词在不同句型中的用法可能会有所不同。考生需要掌握连词在简单句、并列句和复合句中的用法,以便在解题时能够准确判断句子的类型和连词的正确用法。
43.A
【解析】句意: 我从来没有想过成为一名白领,因为我会厌倦办公室工作。A.因为;B.如果;C.所以;D.或者,否则。根据前后句句意可知,后句是前句的原因,用as引导原因状语从句,故选A。
【点评】考查从属连词。注意as引导原因状语从句的用法。
44.B
45.C
【解析】句意:许多人喜欢熊猫因为它们很可爱。while当……时;if如果;because因为。根据前后句的句意,可知前后句是因果关系,故选C。
【点评】考查连词辨析。理解连词的词义和用法,根据前后句的关系,选出正确的连词。
46.B
【解析】句意:因为他们今天下午很忙,所以他们不能和我踢足球。because因为,表示原因;so所以,表示结果;but但是,表示转折。分析句子可知,前句是原因,后句是结果,because和so不能同时使用。故选B。
【点评】考查连词辨析。注意:句子上下文是判断连词正确性的重要依据。考生需要仔细阅读句子,理解句子之间的逻辑关系,从而推断出应该使用哪个连词。连词在不同句型中的用法可能会有所不同。考生需要掌握连词在简单句、并列句和复合句中的用法,以便在解题时能够准确判断句子的类型和连词的正确用法。
47.A
【解析】句意:我喜欢橘子,因为它们很甜。because因为,引导原因状语从句;so所以;although尽管;but但是,转折连词。 此处表示原因,故选A。
【点评】考查连词辨析。注意从属连词的用法。
48.D
【解析】句意:我告诉我妈妈,不要担心我,因为我14岁了。tell sb not to do,固定搭配,告诉某人不要做某事,故用不定式,worry about sb,固定搭配,担心某人,because of是介词,后面接宾语名词或动名词,由 I am 14 years old. 可知此处用连词because引导原因状语从句。故选D。
【点评】考查不定式,连词,注意识记tell sb to do,because的用法。
49.C
【解析】句意:我不喜欢数学因为对于我来说太难了。A. and 和,表示前后是并列关系; B. so因此,表示前后是因果关系; C. because因为,后跟原因状语从句。根据句意故选C。
50.B
【解析】句意:——我们现在该干什么?——既然下这么大雨,我们就呆在家里吧。so所以;though虽然;since既然,引导原因状语从句。故选B。
【点评】考查引导状语从句的连词。
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