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2020年高考考试英语考试知识点一遍过考试知识点29 缘由状语从句

   日期:2025-01-26     来源:www.gaadq.com    浏览:574    
文章简介:考试知识点29  缘由状语从句 高考考试频度:★★★★☆   缘由状语从句是表示缘由或理由的,引导这种从句的最常见的连词是because, since, as , now that(既然)等,for 表示因果关系时(它引导的不是从句)为并...

考试知识点29  缘由状语从句

高考考试频度:★★★★☆

 

缘由状语从句是表示缘由或理由的,引导这种从句的最常见的连词是because, since, as , now that(既然)等,for 表示因果关系时(它引导的不是从句)为并列连词,语气不如because强。

1. because引导是什么原因状语从句

because表示大家不了解的直接是什么原因或理由,着重点在从句,其所引导的从句,为全句句意的中心所在。一般用于回答why引出的疑问句,语气最强,除特别强调外,该从句一般坐落于主句后面。

I didn’t go abroad with her because I couldn’t afford it.

我没和她一块出国是由于成本太高。

Don’t scamp your work because you are pressed for time.

不要由于时间仓促而做事马虎。

 

I wonder whether his hearing is okay _______________ he has turned the television up very loud.

A. unless B. although

C. until D. because

【答案】 D

【分析】句意:我想了解他的听力是不是还好,由于他把电视的声音开得非常大。A. unless除非;B. although虽然;C. until直到;D. because由于。结合句意可知选D。

2. as引导是什么原因状语从句

as引导是什么原因状语从句所引出的原因在说话人开来已经非常明显,或已为听话人所熟知而无需强调,从句多坐落于主句之前,一般可以和since换用,as语气稍弱。

As I didn’t know the way,I asked a policeman. 我不认识路,因而问警察。

As it is snowing, we shall not climb the mountain. 因为在下雪,大家不去爬山了。

1.___________ you weren’t there, I left a message.

A.As B.When C.Though D.For

【答案】 A  

【分析】句意:由于你不在那儿,所以我给你留言了。此处应用as引导缘由状语从句,故选A。when引导时间状语从句;though引导让步状语从句;for用作并列连词表缘由时不可以坐落于句首。

2. When my father goes somewhere, he always goes along with my mother, _____________ he doesn’t like going alone.

A.though B.as C.while D.even if

【答案】B

【分析】句意:我父亲去一些地方时一直和我母亲一块,由于他不喜欢一个人去。此处用as引导缘由状语从句。though"尽管";while"当……时";even if"尽管"。

3. since引导是什么原因状语从句

since表示大家已知的事实,不许强调是什么原因,故常译为“既然……”,一般坐落于主句前。since从句是次要的,重点强调主句的内容,等于now that。

Since traveling by air is much faster, they decided to take a plane.

既然乘飞机旅游快得多,他们就决定坐飞机。

Since you won’t help me,I’ll ask someone else.你既然不帮我,那我就请其他人帮忙。

 

Mark needs to learn Chinese ________his company is opening a branch in Beijing.

A. unless   B. until C. although   D. since

【答案】D

【分析】考查状语从句的连接词。his company is opening a branch in Beijing是学汉语是什么原因。unless除非;until直到……为止;although尽管;since因为,自从。在句中since是“因为”的意思。句意:马克需要学汉语,由于他的公司要在北京开分公司。

4. now引导是什么原因状语从句

now“由于;既然”,一般可以和since换用。其中that可省去,用来表示一种新的状况,再加以推论。

Now you’ve passed your test you can drive on your own.你既已考试合格,就能一个人开车了。

I do remember,now you mention it. 你这一提,我倒的确想起来了。

 

________the term has come to an end, I am going to take a trip for relaxation.

A. Now that      B. Even if

C.As though     D. So that

【答案】A

【分析】句意:既然这个学期已经结束了,我计划去旅游轻松一下。now that既然,引导缘由状语从句,符合句意。

5. seeing 引导是什么原因状语从句

seeing “鉴于;因为”,一般用于非正式文体。

Seeing the weather is bad,we’ll stay at home.天气不好,大家还是呆在家吧。

6. in that引导是什么原因状语从句

in that“由于;基于……的原因”,可以和because换用,多用于正式文体,它所引导是什么原因状语从句一直坐落于主句之后。

Adverti百度竞价推广ent is distinguished from other forms of communication in that the advertiser pays for the message to be delivered.  广告不同于其他交际形式,由于登广告的人要为其所提供的信息付费。

I’m in a slightly awkward position, in that he’s not arriving until 10th.

我的处境有点难堪,由于他要十号才来。

 

The Chinese language ________Western languages ________, instead of an alphabet, it uses characters which stand for ideas, objects or ideas.

A. differs from; in which   B. is different from; in that

C. differs from; in what     D. is different from; in where

【答案】B

【分析】考查动词短语和连词。表示“与……不同”可以用differ from…或be different from…;in that是固定连词,引导缘由状语从句,表示“因为,由于”,故选B项。

 

题组一 能力过关

I.单项填空

1.Perhaps it was_____________ my father often published his poems in the newspapers that he became known through his literary works.

A. before B. when C. if D. because

2. _____________fewer people send letters to one another, the number of people collecting stamps has been steadily in decline.

A. Before B. Although C.As D. If

3.Why not stay at home _____________the road is so slippery after the heavy snow?

A. since that B. now that C. then that D. after that

4.________ you have got a job, you should learn to be independent of your parents.

A. So B. Although C. Before D. Now that

5.The old man asked Lucy to move to another chair _____________he wanted to sit next to his wife.

A. although B. unless C. because D. if

6. _____________ I can never persuade you to give up buying stocks, I can only wish you good luck.

A.When B.For C.Since D.Although

7. The play has remained a mystery ____________ the producer wants to surprise the audience.

A.although B.because C.unless D.until

8. Mary felt sad over the loss of photos she had shot in Australia, ___________ that was a memory she especially treasured.

A.as B.which C.when D.where

9. Enjoy the first hour of the day. This is very important ___________ it sets the mood for the rest of the day.

A.as B.if C.when D.where

10. I won’t attend the party to be held in Mary’s home, ____________ I won’t stay where I feel I’m not welcomed.

A.now that B.so that

C.because D.when

II.语法填空

阅读下面短文,在空白处填入1个适合的单词或括号内单词的正确形式。

Diets have changed in China — and so too has its TOP crop. Since 2011,the country __________(grow)more corn than rice. Corn production has jumped nearly 125 percent over __________ past 25 years, while rice has increased only 7 percent.

A taste for meat is __________  behind the change: An important part of its corn is used to feed chickens, pigs, and cattle. Another reason for corn's rise: The government encourages farmers to grow corn instead of rice __________  water quality. Corn uses less water __________ rice and creates less fertilizer runoff. This switch has decreased __________  in the country's major lakes and reservoirs and made drinking water safer for people.

According to the World Bank, China accounts for about 30 percent of total __________ fertilizer consumption. The Chinese Ministry of Agriculture finds that between 2005—when the government __________  a soil-testing program __________ gives specific fertilizer recommendations to farmers - and 2011, fertilizer use dropped by 7.7 million tons. That prevented the emission of 51.8 million tons of carbon dioxide. China's approach to protecting its environment while ______________________________  its citizens "offers useful lessons for agriculture and food policymakers worldwide." says the bank's Juergen Voegele.

 

题组二体验考试真题

1. The damage is usually more serious on the first plant, but the neighbors, relatively speaking, stay safer __________  they heard the alarm and knew what to do.

A. though         B. unless      

C. before     D. because

2.(2016·北京卷·单项填空)I really enjoy listening to music _______________ it helps me relax and takes my mind away from other cares of the day.

A. because B. before

C. unless D. until

 

题组一 能力过关

单项填空

1.D 

【分析】剖析句子结构可知此处为强调句型,且被强调部分是缘由状语从句,故用because引导,其他选项不符合语境。

2.C 

【分析】考查as引导是什么原因状语从句。句意:由于愈加少的人互相寄信,因此集邮的人数在持续降低。主句与从句之间有因果关系,因此用as。

3.B 

【分析】考查缘由状语从句连接词。本题两句话之间存在因果关系,故要用表示缘由的now that。

4.D 

【分析】考查状语从句。据语境,你"既然"有了我们的工作,就应该独立了。now that引导缘由状语从句,等于since。

5.C 

【分析】句意:那个老人让Lucy去坐另一张椅子,由于他想挨着他老婆坐。后面的从句表示缘由,故填because。

6. C  

【分析】句意:既然我不可以说服你舍弃买股票,那我只能祝你好运了。since在此引导缘由状语从句,意为"既然",符合句意。for用作并列连词表示缘由时,不可以坐落于句首。

7. B  

【分析】考查状语从句。句意:这部戏剧仍旧是一个迷,由于创作者想给观众一个惊喜。A. although"尽管"引导让步状语从句;B. because"由于"引导缘由状语从句;C. unless"除非"引导条件状语从句;D. until"直到"引导时间状语从句。故选B。

8. A  

【分析】考查状语从句。句意:Mary因丢失了她在澳大利亚拍摄的照片而很伤心,由于那是她格外珍贵的回忆。as意为"由于",引导缘由状语从句。

9. A  

【分析】考查状语从句。句意:享受一天中的第一个小时。这非常重要,由于这一个小时决定当天其余时间的情绪。"as"在句中引导缘由状语从句。

10. C  

【分析】考查状语从句。句意:我不会去参加在玛丽家举办的派对,由于我不会待在我感觉自己不受青睐的地方。依据句意和句子成分可以看出,本空需要从属连词引导缘由状语从句,因此选C。

II.语法填空

【文章大意】本文是一篇说明文。文中讲述了中国为保护环境在农作物种植上做了一些变化并得到了世界上的知名认识的认同。

1. has grown 

【分析】考查时态。since加时间点,主句要用目前完成时。句意:2011年以来,中国种植的玉米比水稻多。故填has grown。

2. the

【分析】考查冠词。句意:玉米产量在过去25年里增长了近125%,而大米只增长了7%。故是特指在过去的25年里。故填the。

3. actually

【分析】考查副词。句意:对肉的需要事实上是这种变化的背后缘由。句子结构完整,用副词修饰句子。故填actually。

4. to improve  

【分析】考查非谓语动词。句意:为了改变水质政府鼓励农民种植玉米而不是大米。没连词可以且谓语动词是encourages,故improve应该用非谓语动词。此处表示目的,故用不定式。故填to improve。

5. than

【分析】考查连词。句意:玉米比大米用的水更少。依据关键字less可知,填比较连词。故填than。

6. pollution

【分析】考查词性转换。句意:这一转变降低了中国较大的湖泊和水库的污染,使大家的饮用水愈加安全。has decreased后跟名词作宾语,故填pollution。

7. global

【分析】考查词性转换。句意:中国约占全球化肥总消费量的30%。fertilizer consumption是名词短语,故应该用形容词修饰。故填global。

8. started

【分析】考查谓语动词。句意:在2005年政府开始了一项土壤测试项目。本句是when引导的定语从句,因为时间是2005年,故用过去时。故填started。

9. that/which 

【分析】考查定语从句关系词。依据空后的谓语动词gives可知,该空缺少主语,指代program并且引导后面的句子。指物用that/which,故填that或者which。

10. feeding

【分析】考查省略句。句意:中国在养活了中国人民的同时又保护了环境。这一做法为全世界的农业和粮食政策拟定人提供了非常有用的经验。空格处表示正在进行的动作,while后面省略掉了China is,省略句的原则:在时间状语从句、条件状语从句、,让步状语从句中,假如从句的主语和主句的主语一致且含有be动词时,那样可以把主语和be动词一块省略。故填feeding。

题组二体验考试真题

1.D  

【分析】句意:对第一株植物的伤害比较紧急,但邻旁的植物相对安全,由于它们听到了警告了解该干什么。依据语境和句意可知,空后是前面是什么原因,是缘由状语从句,故选D。

2.A  

【分析】考查缘由状语从句。句意:我很喜欢听音乐,由于它能让我放松,使我不去想其他的事情。前后是因果关系,故选A。

 

 

 

 

 

 
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