外研版英语 状语从句练习题
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外研版英语【初中英语】【语法专项练习】状语从句专项练习含答案解析一、初中英语状语从句1.—Winter swimming is exciting, but one can’t do it ________ he or she has got some training. — Exactly! It can be dangerous.A.after B.unless C.if D.while【答案】B【解析】句意:——冬泳是令人兴奋的,但除非他或她接受了一些训练,否则是不行的。
——没错!这可能是危险的。
A. after在……之后;B. unless 除非;C. if 如果;D. while当……的时候。
根据语境和句意可知用unless。
故选B。
2.---The two old friends were ____ busy ____ with each other that they forgot the time.---Yes. They hadn’t met for over ten years, so they kept talking the whole night.A.too; to talk B.too; talking C.so; to talk D.so; talking;【答案】D【解析】试题分析:句意:这两个老朋友那么忙于交谈以至于忘了时间。
是。
他们十年多没见到了,所以他们聊了一晚上。
考查句式so…that…因此……以至于……;be busy doing忙于做……,故选D。
考点:考查so…that句式。
3.I didn’t believe I could do it ____ I got to the top of Mount Tai.A.unless B.until C.after D.as【答案】B【解析】试题分析:句意:直到我到达泰山顶上我才相信我能成功。
A. unless如果不,除非,引导条件状语从句; B. until 直到,引导时间状语从句; C. after 在……后,引导时间状语从句; D. as因为,由于,引导原因状语从句。
外研版英语 (外研版)状语从句专项练习题及答案含答案解析一、初中英语状语从句1.--- will the TV play be broadcasted(播出)?---Perhaps it’s reviewed successfully.A.How long; until B.When; until C.How soon; not until D.How often; not until 【答案】C【解析】【详解】句意“-这个电视剧多久能播放?-可能直到它审核成功”。
how long多长(问时间长短以及长度);when何时;C.how soon多久(后接一般将来时,且用in+一段时间回答);how often多久一次(问频率)。
根据空后will可知,用how soon;第二空处译为“直到它审核通过才能播出”,not until直到……才,故选C。
2._______riding shared bikes is an easy way to travel, it also causes some problems. A.Although B.If C.Until【答案】A【解析】【详解】句意:虽然骑共享单车是一种简单的旅行方式,但也会引起一些问题。
A. Although尽管,虽然;B. If如果;C. Until直到。
根据下文it also causes some problems.可知上文是Although 引导的让步状语从句。
根据题意,故选A。
3.—Leonardo didn't win an Oscar he acted in The Revenant(荒野求生).一Yeah. It was hard for him to realize this dream, but he never gave up.A.after B.since C.when D.until【答案】D【解析】句意:——列奥纳多直到他在《荒野求生》中才获得奥斯卡奖。
专项训练 (外研版)状语从句专项练习题及答案一、初中英语状语从句1.We didn't cut the cake______ Amy made a wish.A.because B.until C.if【答案】B【解析】【详解】句意:直到艾米许了愿,我们才切蛋糕。
A. because因为;B. until直到;C. if如果。
didn’t是did not的缩写。
not until直到……才。
结合句意可知,答案为B。
2.--- Do you know what time Daniel Xuzhou tomorrow?---At 2:00 p. m. I will meet him when he at the airport.A.gets to; arrives B.will get to; will arriveC.will get to; arrives D.gets to; will arrive【答案】C【解析】句意:——你知道丹尼尔明天什么时候去徐州吗?——下午2:00点。
当他到达机场时我将与他会面。
第一句是what time引导的宾语从句,主句是一般现在时,从句时态不受限制,结合tomorrow用一般将来时will+动词原形;第二句是when引导的时间状语从句,遵循主将从现的规则,所以从句用一般现在时,主语是he,因此是arrives;结合选项,故答案选C。
3.--- will the TV play be broadcasted(播出)?---Perhaps it’s reviewed successfully.A.How long; until B.When; until C.How soon; not until D.How often; not until 【答案】C【解析】【详解】句意“-这个电视剧多久能播放?-可能直到它审核成功”。
how long多长(问时间长短以及长度);when何时;C.how soon多久(后接一般将来时,且用in+一段时间回答);how often多久一次(问频率)。
外研版英语【初中英语】状语从句专项练习(附答案)含答案解析一、初中英语状语从句1.—Dave, let's start our training for the basketball game.—OK. We'll lose the game we try our best.A.unless B.if C.until D.since【答案】A【解析】【详解】句意:——戴夫,我们开始训练篮球比赛吧。
——好的。
除非我们尽力而为,否则我们会输掉比赛。
A. unless除非;B. if如果;C. until直到;D. since 自从。
根据语境“我们会输掉比赛,除非我们尽最大努力”可知,正确答案是 A。
2.---The two old friends were ____ busy ____ with each other that they forgot the time.---Yes. They hadn’t met for over ten years, so they kept talking the whole night.A.too; to talk B.too; talking C.so; to talk D.so; talking;【答案】D【解析】试题分析:句意:这两个老朋友那么忙于交谈以至于忘了时间。
是。
他们十年多没见到了,所以他们聊了一晚上。
考查句式so…that…因此……以至于……;be busy doing忙于做……,故选D。
考点:考查so…that句式。
3.Lin Shuhao is ________ famous ________ all the basketball fans in China knows him. A.too, to B.enough, to C.so, that D.as, as【答案】C【解析】【详解】句意:林书豪如此出名以至于在中国所有的篮球迷都知道他。
外研版英语 (外研版)状语从句专项练习题及答案一、初中英语状语从句1.We didn't cut the cake______ Amy made a wish.A.because B.until C.if【答案】B【解析】【详解】句意:直到艾米许了愿,我们才切蛋糕。
A. because因为;B. until直到;C. if如果。
didn’t是did not的缩写。
not until直到……才。
结合句意可知,答案为B。
2.一When did you leave your office yesterday?一 I finished the project.A.Until B.While C.When D.Not until【答案】D【解析】句意:昨天你什么时候离开你的办公室的?——直到我完成那个任务。
本题考查连词。
A. Until 直到···时候才结束,要与延续性动词连用;B. While 当···时候;C. When 当···时候;D. Not until直到···时候才开始,与非延续性动词连用;句子中finished(完成)是非延续性动词,故选D3.At last, Amy grew ____ tired ____ she fell asleep.A.as; as B.such; that C.so; that D.not only; but also 【答案】C【解析】【详解】句意:最后,艾米累得睡着了。
A. as; as 与…一样;引导比较状语从句;B. such; that如此...以致;如此...以至于,引导结果状语从句;C. so; that如此…以致…;引导结果状语从句;D. not only; but also不但…而且…连接两个并列主语。
根据句意可知,此句是结果状语从句,such是形容词,修饰名词;so是副词,与形容词或副词连用。
外研版英语状语从句经典例题含答案解析一、初中英语状语从句1.I hate traveling by air______you usually have to wait for hours before the plane takes off. A.because B.though C.until D.so that【答案】A【解析】【详解】句意:我讨厌坐飞机旅行,因为通常要等上几个小时才能起飞。
A.因为,B.虽然,C.直到,D.为了,表目的。
根据前后句子之间关系可知,有因果关系,故选A。
【点睛】这四个选项都是连词,但是意思和用法各不相同。
because 因为,引导原因状语从句;though虽然,尽管,引导让步状语从句,类似的词还有although, even though, even if;until常和not连用,not …..until…意思是直到….才…..,引导时间状语从句; so that为了,表示目的,引导目的状语从句。
2.-- Can’t I park my car free here?-- You can, for four hours, __________ you spend over 100 yuan in this supermarket. A.though B.if C.unless【答案】B【解析】【详解】句意:-我不能把车免费停在这里吗?- 如果你在这家超市花费超过100元,你可以免费停车四个小时。
though 虽然;if 如果;unless 除非。
这里是形容一种条件,如果消费超过100元,就能免费停车,故选B。
3.Mrs. White walks a dog in the park nearby every morning it’s rainy or windy.A.since B.because C.unless D.until【答案】C【解析】试题分析:句意:如果不刮风下雨,怀特夫人就会带狗到附近的公园散步。
外研版英语【初中英语】状语从句专项练习(附答案)一、初中英语状语从句1.Lin Shuhao is ________ famous ________ all the basketball fans in China knows him. A.too, to B.enough, to C.so, that D.as, as【答案】C【解析】【详解】句意:林书豪如此出名以至于在中国所有的篮球迷都知道他。
考查连词用法。
too+形容词或副词+to do sth.:太……而不能;enough+形容词/副词+to do sth.:足够……以至于……;so+形容词/副词+that+句子:如此……以至于……;as…as:与……一样……。
故选C。
2.I will go to the English club tomorrow I am too busy.A.since B.if C.unless D.until【答案】C【解析】【详解】句意:明天我将会去英语俱乐部,除非我太忙。
since自从;if如果;unless除非,如果不;until直到…时候。
根据句意可知,这里表示的意思是“如果我不忙,我会…”,故应选C。
3.Many people do not realize the importance of health ______ they have fallen ill.A.until B.while C.when D.after【答案】A【解析】试题分析:句意:一些人直到失去了健康才意识到它的重要性。
本题考查的是not…until 句型,“直到……才”。
For为了;but 但是;as 作为。
故选A。
考点:考查连词的用法。
4.________ there is danger on the internet, online insurance is still popular among the young. A.Unless B.Though C.Since D.Until【答案】B【解析】【详解】句意:虽然网上存在危险,但网上保险在年轻人中仍然很流行。
外研版英语状语从句专题练习含答案解析一、初中英语状语从句1.________ you’re invited to speak, you should remain silent at the meeting.A.Because B.After C.If D.Unless【答案】D【解析】【详解】句意:除非你被邀请发言,否则你应该在会上保持沉默。
A.因为;B.在……之后;C.如果;D.除非。
根据句意可知,此句是条件状语从句,动词invite与句子的主语you之间在逻辑上存在被动关系,此空是除非,如果不的意思,此空故填Unless,故选D。
2.Tony has had to cook by himself ________ his mother went on business to Guangzhou. A.since B.after C.during D.when【答案】A【解析】【详解】句意:自从妈妈去广州出差以来,托尼不得不自己做饭。
A. since从……以来;B. after在……之后;C. during 在……期间;D. when当……时候。
since后跟时间状语从句时,表示的是到目前为止的时间段,从句时态为一般过去时,而主句的时态为现在完成时,故正确答案为A。
3.Lin Shuhao is ________ famous ________ all the basketball fans in China knows him. A.too, to B.enough, to C.so, that D.as, as【答案】C【解析】【详解】句意:林书豪如此出名以至于在中国所有的篮球迷都知道他。
考查连词用法。
too+形容词或副词+to do sth.:太……而不能;enough+形容词/副词+to do sth.:足够……以至于……;so+形容词/副词+that+句子:如此……以至于……;as…as:与……一样……。
一、选择题1.My parents gave red packets to my cousin every Spring Festival___________ she got a job, because she said she was able to make money.A.after B.when C.until D.since2.Don't be afraid of asking for help ________ it is needed.A.unless B.until C.although D.when3.— Jenny, will you leave for the UK now?— No. It will be two weeks ________ I leave here.A.until B.since C.before D.when4.All the teenagers should keep taking exercise every day ________ they are busy studying so many subjects.A.until B.because C.unless D.though 5.You’ll ________ the war ________ you watch the film.A.feel sad about; unless B.feel sad about; ifC.feel sad with; unless D.feel sad with; if6.—When will the railway that connects the two cities open?— next year. Only two thirds been built.A.Until; has B.Until; haveC.Not until; has D.Not until; have7.Mr. Page still plans to take up a new hobby ________ he is almost 70 years old. A.though B.because C.if D.while 8.Smiling is the best policy. People will smile back ________ you smile at them.A.unless B.although C.until D.when9.Many people do not realize the importance of health _________ they have fallen ill. A.until B.while C.when D.after10.___________ I hear Kenny G's recording Going Home, I always think of my hometown. A.While B.Since C.Until D.Whenever 11.In ancient times, people seldom travelled long distances and most farmers only travelled ________ the local market.A.longer than B.more than C.as much as D.as far as 12.Sam thought his robot broke n ________ Jim pointed out that he’d forgotten to turn it off. A.until B.unless C.after D.as soon as 13.We’re not very close friends________ we’ve known each other for a long time.A.until B.although C.as D.if14.My grandma enjoys sharing videos on Douyin like the young ________ she is over seventy. A.since B.if C.though D.unless15.The kitchen in my flat is well designed it is a bit small.A.although B.since C.so D.because16.—_______ Dr. Zhong Nanshan knew that COVID-19 was a deadly new virus, he still went to Wuhan in Central China to help the local people.—He is really a brave and kind doctor.A.If B.As soon as C.Because D.Although 17.—Mike, can you tell me how to speak in an online class?—Sure, click on this icon you start to speak.A.after B.until C.before D.since 18.Benny, monitor of our class, is such ________ honest boy that we all trust him.A.a B.an C.the D./19.you are very busy, I won’t go to Xuzhou Amusement Land with you.A.Unless B.Whether C.Until D.Since20.I'm sure you can catch up with others _______ you work hard.A.until B.if C.unless D.though 21.—More and more people like shopping online now.—I agree. My sister will be crazy about it ________ my parents give her enough money.A.if B.unless C.when D.while22.— What do you think of Spud Webb, the shortest player in the NBA?一 Amazing, ________he was refused many times at first.A.unless B.though C.since D.because 23.—The local snack tastes spicy and sweet.—Well, ___________ you are here, why not have a try?A.since B.because C.though D.unless24.You will get a toothache _____________ you clean your teeth regularly.A.unless B.when C.though D.because25.All students should keep taking exercise every day _______ they are busy studying so many subjects.A.until B.because C.though D.unless 26.—What is our head teacher like?—Oh, he is very kind ________ he looks very serious.A.because B.though C.if D.when27.He realized his mistakes and took action to reduce the loss ________ it was too late. A.before B.unless C.if D.until28.The game show was so funny that he watched it for hours ________ he realized it.A.as B.since C.before D.after29.________ more and more people surf the Internet for news, the traditional newspaper may not disappear in a short time.A.Because B.If C.Though D.When30.________ she couldn’t see his face, she could tell by his voice that he was young. A.Unless B.If C.Though D.Because 31.Jack has made great progress ________ he joined the English club.A.when B.since C.while D.before32.—We will go out for a picnic as we planned ________ it rains tomorrow.—You needn’t worry about the weather. It’s sunny tomorrow.A.until B.unless C.if D.when33.— Why did your mother get ________ with you just now?—Because I made ________ many mistakes in the exam that she ________ controlled her feelings when she heard it.A.satisfied; so; really B.satisfied; such; nearlyC.angry; so; hardly D.angry; such; mainly34.—Too much homework has made me tired these days, Miss Wang.—That’s true. But a small tree won’t grow in to a big tree ________ it experiences lots of winds and rains.A.if B.while C.when D.unless35.Life is like climbing a mountain. ________ you feel tired, you will enjoy the beautiful view at the top of the mountain.A.Since B.Unless C.Because D.Though 36.Grade 9 students should keep exercising ________ they are busy with so many subjects. A.if B.until C.though D.because 37.—Do you like the Chinese cartoon Boonie Bears: Blast into the Past?—Sure. It is ________ interesting film ________ my son wants to see it again.A.so; that B.such a; that C.so an; that D.such an; that 38.Mr. Wang, can I go to play football with my classmates ________ school is over?A.as soon as B.as well as C.as good as D.as many as 39.—You look so sad. What happened?—The home for the elderly will be closed ________ it can get more donations.A.since B.unless C.if D.because40._______ the outbreak of COVID-19 is a terrible blow to the country, the government is trying hard to bring the situation under control.A.Although B.If C.Unless D.However41.In summer, milk quickly goes bad ________ it is put into a fridge.A.though B.unless C.because D.once42.________ more and more people surf the Internet for news, the traditional newspaper may not disappear in a short time.A.Because B.Since C.Though D.Unless43.The theatre will have to close ________ the government agrees to give extra money.A.if B.unless C.because D.until44.The astronaut lives in ________ that he has to be careful with every movement.A.such little space B.so little space C.so much space D.such more space 45.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.although46.________ she is wrong, it’s not a big deal.A.Because B.So C.Although D.But47.— Has the meeting begun?—Not yet. We have to wait ________ everyone is here.A.and B.until C.or D.but48.You will be out of date ________ you keep on studying from time to time.A.unless B.although C.if D.otherwise 49.— A sandstorm hit the north a few weeks ago. It was the strongest in ten years.—The environment won’t get better ________ we take action to protect it.A.if B.since C.though D.unless50._______ she is wrong, it’s not a big deal.A.Because B.So C.Although D.But【参考答案】***试卷处理标记,请不要删除一、选择题1.C【详解】句意:我父母每年春节都给我表妹红包,直到她找到工作,因为她说她能赚钱。
外研版英语状语从句练习题含答案解析一、初中英语状语从句1.— What do you think of your junior middle school life?— I think it is colorful, I’m always busy.A.though B.while C.until D.because【答案】A【解析】【详解】本题考查:副词辨析。
选项分析:A. though虽然,尽管。
B. while虽然;然而。
C. until 在…以前;直到…时。
D. because因为。
综合分析前后句,可知此处填 though最合适,完整句意为:— What do you think of your junior middle school life?你觉得你的初中生活怎么样?—I think it is colorful, though I’m always busy.我认为它是丰富多彩的,虽然我总是很忙。
正确答案为:A2.The Italian woman didn’t feel a culture shock____it was her first time to Shanghai. A.though B.since C.if D.when【答案】A【解析】句意:这个意大利妇女没有感到一种文化冲击,尽管她是第一次来上海。
A. though尽管;B. since自从;C. if 是否,如果;D. when当---时候;根据The Italian woman didn’t feel a culture shock这个意大利妇女没有感到一种文化冲击,和it was her first time to Shanghai.她是第一次来上海之间用though 引导让步关系状语从句;故选A3.一Last night I went to a concert of Chinese folk music. Erquan Yingyue was so sad but beautiful that I sensed a strong sadness and pain under the beauty.一So it was. The musician who played it last night to play the erhu since hevery young.A.learned; was B.has learned; amC.has learned; was D.learned; has been【答案】C【解析】句意:------昨晚我去听了一场中国民间音乐会。
外研版英语状语从句练习题一、初中英语状语从句1.Daming hasn't done much exercise _______ he got his computer.A.when B.if C.though D.since【答案】D【解析】试题分析:句意:自从有了电脑,大卫就没有做许多运动了。
A. when当……时;指时间;B. if如果,表示条件;C. though虽然,尽管,表示让步;D. since自从,表示时间的起点。
不锻炼是从有电脑开始的,表示时间的起点,用since。
故选D。
考点:考查连词辨析。
2.It is necessary for children to exchange ideas with parents from time to time ________ a good parent-children relationship could be set up.A.so that B.because C.as soon as【答案】A【解析】【详解】句意“为了建立良好的亲子关系,孩子们有必要不时地与父母交流思想”。
A.目的是,为的是(引导目的状语从句);B.因为(引导原因状语从句);C.一……就……(引导时间状语从句)。
根据句意可知,表示“目的是为了建立良好的亲子关系”,表示目的,故选A。
3.We will go to Tian’anmen Square to watch the raising of national flag if it _________ tomorrow.A.will rain B.rainsC.doesn’t rain D.won’t rain【答案】C【解析】试题分析:句意:如果明天不下雨我们要去天安门广场看升国旗。
根据句意及题干分析if引导的是条件状语从句,主句是一般将来时态,根据“主将从现”原则,if从句中应用一般现在时态,根据句意是“不下雨”,所以选C。
【考点定位】考查动词的时态。
4.I hate traveling by air______you usually have to wait for hours before the plane takes off. A.because B.though C.until D.so that【答案】A【解析】【详解】句意:我讨厌坐飞机旅行,因为通常要等上几个小时才能起飞。
A.因为,B.虽然,C.直到,D.为了,表目的。
根据前后句子之间关系可知,有因果关系,故选A。
这四个选项都是连词,但是意思和用法各不相同。
because 因为,引导原因状语从句;though虽然,尽管,引导让步状语从句,类似的词还有although, even though, even if;until常和not连用,not …..until…意思是直到….才…..,引导时间状语从句; so that为了,表示目的,引导目的状语从句。
5.---Hi, Kate, would you like to hang out with me this afternoon?---I’m afraid not. I can’t go out I finish my report.A.when B.unless C.if【答案】B【解析】【详解】句意:---嗨,凯特,今天下午你愿意和我一起逛街吗?----我恐怕不行。
如果我不完成报告,我就不能出去了。
考查连词辨析。
A. when当…时候,引导时间状语从句;B. unless除非,如果不,引导否定的条件状语从句;C. if如果,引导条件状语从句。
根据句意可知后句表示否定条件,可知填unless;选B。
6.Life is like climbing a mountain. ______ you feel tired, you will enjoy the beautiful view at the top of the mountain.A.Since B.Unless C.Though D.Because【答案】C【解析】【详解】句意:生活就像爬山。
虽然你感到累,但你会在山顶欣赏美丽的景色。
考查状语从句;since 自从,引导时间状语从句;unless 除非,引导条件状语从句;though 虽然,引导让步状语从句;because 因为,引导原因状语从句。
此处表示让步关系,故选C。
7.— Do you think Jack will catch up with us?— I believe so._______ he loses himself in computer games.A.If B.Unless C.Or D.But【答案】B【解析】【详解】句意:—你认为杰克会赶上我们吗? —我认为会,除非他沉迷于电脑游戏。
A. If如果;B. Unless除非;C. Or否则;D. But但是。
根据本题语境,可知,回答为如果他不沉迷于电脑游戏,他就能赶上我们,如果不,即为除非。
故选B。
8.Pandas are facing danger!The situation won’t change humans stop killing.A.unless B.though C.if D.after【解析】试题分析:句意:熊猫面临危险。
如果人们不停止杀害熊猫,形势不会改变。
此题考查连词,A如果不;B尽管;C如果;D在之后。
根据句意,应选A。
考点:考查连词。
9. He made a mistake, but then he took action to change the situation ________ it got worse. A.until B.when C.before D.because【答案】C【解析】试题分析:句意:他犯了一个错误,但他在它变得更糟前采取了行动改变现状。
Until直到;when当···时;before在···之前;because因为。
根据句意可知选C。
考点:考查连词。
10.—____ the workers are very tired, _____they keep on working.— They are great. We must learn from them.A.Because; / B.Though; / C.Because; so D.Though; but【答案】B【解析】试题分析:句意:尽管工人们很累了,但他们仍然继续工作。
——他们太伟大了,我们应该向他们学习。
本题考查连词的用法。
Because用于表示因果关系,不能与so同时使用;Though用于表示转折关系,不能与but同时使用。
结合句意,故选B.考点:考查连词的用法。
11.Mrs. White walks a dog in the park nearby every morning it’s rainy or windy.A.since B.because C.unless D.until【答案】C【解析】试题分析:句意:如果不刮风下雨,怀特夫人就会带狗到附近的公园散步。
A.. since自从;B.. because因为;C.. unless如果不;D. .until直到……才。
结合句意,故选C考点:考查连词的用法。
12.It is impossible for ________ little children to do ________ much work in ________ a short time.A.so; so; such B.such; so ; such C.so; such ; such D.such; such ; so 【答案】B【解析】试题分析:句意:为如此小的孩子在如此短的时间做那么多工作是不可能的。
so (adv.)表示“如此”、“这样”的意思。
用作副词,修饰形容词和副词。
主要结构有:1.so +adj.+a/an +可数名词单数+that从句;2.so+adj./adv.+that从句;3.so+many/few/much/little+复数可数名词+that从句such(adj.)表示“如此”“这样”的意思。
用作形容词,修饰名词。
主要结构有:1.such+a/an+adj.+单数可数名词+that从句;2.such+adj.+不可数名词+that从句;3.such+adj.+复数可数名词+that从句。
所以选B。
考点:考查so与such的用法。
13.Our eyesight will become poorer and poorer we keep playing with phones. A.though B.unless C.if【答案】C【解析】【详解】句意:如果我们继续玩手机,我们的视力会越来越差。
A. though尽管,虽然;B. unless除非;C. if如果。
这里是if引导的条件状语从句,遵循主句用一般将来时,从句用一般现在时态,根据题意,故选C。
14.You won't succeed _____ you work hardA.if B.because C.unless D.so that【答案】C【解析】【详解】句意:你不会成功的,除非你努力工作。
if如果;because 因为,引导原因状语从句;unless如果不,除非;so that以至于,引导结果状语从句;为的是,引导目的状语从句。
根据句意可知,这里表示“如果不努力工作”,故应选C。
15.The environment will be much worse ___________ everyone has a sense of protecting it. A.unless B.if C.so that【答案】A【解析】【详解】句意:除非每个人都有保护环境的意识,否则环境会更糟。
考查连词辨析。
unless除非,表条件,相当于if not;if如果,表条件;so that以便于,表目的。
本句是条件状语从句,根据句意语境,可知if不合句意,故选A。
16.– Thank you for telling me so much knowledge about nature.–Don’t mention it. ______ you have more questions, come to me any time.A.IfB.BecauseC.Though【解析】句意:——谢谢你告诉我这么多关于自然的知识。
——别提了。
如果你有更多的问题,随时找我。
考查连词辨析题。