专题10 状语从句(题型专练)-2019
语法专题：状语从句(含练习和答案)
状语从句一、状语从句的定义状语从句（Adverbial Clause）是指句子用作状语时，起副词作用的句子。
状语从句可以修饰谓语、非谓语动词、定语、状语或整个句子。
状语从句根据其作用可分为：时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。
状语从句一般由连词（从属连词）引导，也可以由词组引起。
从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
二、状语从句常用引导词1. 时间状语从句as /while /whe n /un til /once /since / before; whe never, he first/last time,every/each time等。
2. 地点状语从句3. 原因状语从句4. 条件状语从句5. 目的状语从句6. 结果状语从句7. 方式状语从句where/wherever 等。
because/as/si nce/fo 等。
if/unl ess/as long as 等。
so that/i n order that/i n case等。
so...that/such...that/so tha等。
as/as if(though)等。
than/as …as/the more …the 等ore9. 让步状语从句although/no matter+.../eve n if/ whatever/ as尽管）等。
三、状语从句分析1. 时间状语从句(1) 时间状语从句常用when, as, while, before, after, since, till, until, as soon as 等连词来引导。
例如：It was raining hard ( rain hard 下大雨) when got to school yesterday.While he was doing his homework, the teleph one rang.As he walked along (沿着走)the lake, he sang happily.(2) 在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态。
(完整版)英语状语从句专题(练习题含答案)
一、选择题1．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D．as far as 2．Don't be afraid of asking for help ________ it is needed.A．unless B．until C．although D．when3．You will be out of date ________ you keep on studying from time to time.A．unless B．although C．if D．otherwise 4．—My parents gave red packets to my sister every Spring Festival ________ she got a job. —That’s because your sister was able to make money by that time.A．after B．when C．since D．until5．My grandma enjoys sharing videos on Douyin like the young ________ she is over seventy. A．since B．if C．though D．unless 6．Sam thought his robot broken ________ Jim pointed out that he’d forgotte n to turn it off. A．until B．unless C．after D．as soon as 7．—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 8．— Jenny, will you leave for the UK now?— No. It will be two weeks ________ I leave here.A．until B．since C．before D．when9．—It is a pity that the disease is still terrible at present.—Yes. It will be worse ________ we take further action to do something for it.A．unless B．since C．if D．when 10．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; if11．—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; have12．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 13．—The novel written by Stephen seems a bit boring to me.—___________ you put your heart into it, you won't enjoy it.A．When B．If C．After D．Unless 14．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 15．All students should keep taking exercise every day _______ they are busy studying so many subjects.A．until B．because C．though D．unless16．The old couple insist on living in a small village among the mountains __________ they can get closer to nature.A．until B．unless C．even though D．so that17．— Do you often take exercise in the morning every day?— Yes. I go jogging every morning_______there is heavy air pollution.A．until B．unless C．if D．as18．The kitchen in my flat is well designed it is a bit small.A．although B．since C．so D．because 19．—_______ 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 20．It’s almost three years ________we saw each other last time.A．since B．after C．when D．before21．you are very busy, I won’t go to Xuzhou Amusement Land with you.A．Unless B．Whether C．Until D．Since22．It’s sad to hear that 19 people lost their lives ________ they were fighting with the forest fire in Liangshan, Sichuan.A．as soon as B．after C．while D．until23．You will get a toothache _____________ you clean your teeth regularly.A．unless B．when C．though D．because 24．Plenty of ideas were considered________the artist decided on the design of the sculpture. A．before B．so C．unless D．because 25．There will be fewer accidents _______ all of us obey the traffic rule.A．if B．unless C．though D．because26．________ it has a long history, time hasn’t stopped the Forbidden City from trying to build bridges with young people through cultural products.A．Unless B．Because C．Although D．Since27．Jack is still working to high standards ________ he has made great achievements. A．until B．if C．though D．because28．________ she couldn’t see his face, she could tell by his voice that he was young. A．Unless B．If C．Though D．Because 29．—Look! Someone is running the red lights.—We should wait ________ others are breaking the rules.A．although B．because C．unless D．if30．Jack has made great progress ________ he joined the English club.A．when B．since C．while D．before31．—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．when 32．Everyone makes mistakes, and no one will make progress ________ he is willing to learn from them.A．unless B．if C．though D．but33．— 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.—Tha t’s true. But a small tree won’t grow into a big tree ________ it experiences lots of winds and rains.A．if B．while C．when D．unless35．—Did you watch the Football League yesterday?—Yes, of course. I never miss it ________ I am too busy with my homework.A．unless B．until C．if D．since36．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．Though37．— Has the meeting begun?—Not yet. We have to wait ________ everyone is here.A．and B．until C．or D．but38．_______ she is wrong, it’s not a big deal.A．Because B．So C．Although D．But39．The pollution in the sea will be terrible ________ the Japanese government gives up their plan.A．until B．unless C．because D．if 40．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．if41．________ Jane couldn’t see his face, she could tell by his voice that he was a middle-aged man.A．Unless B．Although C．If D．Until 42．Suzy, you will achieve nothing ________ you devote yourself to your study.A．after B．though C．because D．unless43．Her job is not up to the boss's standard ________ she has worked at it for a week. A．since B．although C．if D．unless44．Your parents love you so much ________ they seldom say, “I love you”.A．unless B．that C．because D．although 45．You will never grow ________ you try to do something beyond your abilities.A．when B．since C．though D．unless 46．—What is our head teacher like?—Oh, he is very kind ________ he looks very serious.A．because B．though C．if D．when47．________ I have solved it, you can't imagine how much difficulty I faced.A．Because B．Although C．Unless D．When48．Mr. Picky won’t want to eat it ________ he’s really hungry, in which case he’ll eat almost anything.A．because B．when C．before D．unless49．The theatre will have to close ________ the government agrees to give extra money.A．if B．unless C．because D．until 50．Grade 9 students should keep exercising ________ they are busy with so many subjects. A．if B．until C．though D．because【参考答案】***试卷处理标记，请不要删除一、选择题1．D【详解】句意：在古代，人们很少长途旅行，大多数农民最远的行程仅仅是到当地的市场。
英语新高考新题型读后续写详细微专题训练：专题10 高级句式升级——状语从句
状语从句是英语写作中经常使用的从句之一， 因此 必须学会并熟练运用状语从句，使写作的句型更加丰富 ，逻辑感更强。
本专题包括：
（一）状语从句的类型及连词
（二）状语从句的省略
（三）常见句式积累
（四）读后续写练习题
（一）状语从句的类型及连词
状语从句共分九类： 1. 时间：when, whenever, while, as, before, after, since, till/until, as soon as 2. 地点：where, wherever 3. 原因：because, as, since, now that 4. 目的：so...that, so that, in order that, in case 5. 结果：so that, so/such...that... 6. 条件：if, unless, as long as, in case, on condition that 7. 让步：although/though, even if/though, whether...or..., 疑问词+ever,
（三）常见句式积累
1.我一进入教室， 老师就问我为什么来这么晚。（as soon as/ the moment/ the instant / immediately/ directly/ instantly ...一......就......） As soon as/ The moment /The instant /Immediately/ Directly/ Instantly I entered the classroom, my teacher asked me why I was so late.
2019年高考英语热点题型和提分秘籍专题10 状语从句(题型专练)含解析
1．An anti－corruption campaign has continued________Dec.25，2013 when the Communist Party of China issued a five －year anti－corruption plan.A．in B．onC．by D．since2．You never really understand a person________you consider things from his point of view.A．if B．onceC．as D．until解析：选D。
考查状语从句的用法。
句意：直到你能从他的观点角度上思考问题你才能真正了解一个人。
if如果；once一旦；as由于；until直到。
故选D。
3．He hasn’t got any hobbies，________you call watching TV a hobby.A．when B．ifC．unless D．since解析：选C。
考查状语从句。
句意：他没有任何爱好，除非你将看电视称为爱好的话。
when当……时候；if如果；unless除非，要不是；since既然。
根据主从句之间的关系和连词含义判断。
故选C。
4．Students’ active performances in class will be the new normal________teachers give them more chances.A．although B．onceC．until D．since解析：选B。
考查状语从句。
句意：一旦老师们给孩子更多的机会，学生们在课堂上的积极表现将成为新的常态。
although尽管，虽然；once一旦；until直到；since自从，既然。
根据主从句之间的关系判断选B。
5．This is a very interesting book. I’ll buy it，________.A．how much may it costB．no matter how it may costC．however much it may costD．whatever may it cost解析：选C。
状语从句练习题含答案及解析
状语从句练习题含答案及解析一、初中英语状语从句1．—I hear Music and Art will enter the Entrance Examination for the high school.—Yes. but don’t worry. Nothing will be difficult if more attention _____ to them.A．will pay B．will be paid C．is paid D．pays【答案】C【解析】句意：——我听说音乐和艺术将进入高中入学考试。
——是的。
但别担心。
如果对他们给予更多的关注，就不会有困难。
考查被动语态。
本句是if引导的条件状语从句，需用一般现在时态代替一般将来时态；从句主语more attention是单数第三人称，又是动词pay的受动者，需用被动语态，即is+paid结构；根据句意语境，可知选C。
2．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。
3．一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D4．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”。
高中英语状语从句专项讲解及练习（有答案）
高中英语状语从句专项讲解及练习（有答案）状语从句1、地点状语从句地点状语从句表示地点、方位，这类从句通常由where, wherever, anywhere, everywhere引导。
Where there is a will, there is a way.有志者，事竟成。
They will go where they are happy.他们想到他们觉得快乐的地方去。
We must camp where we can get water. 我们必须在能找到水的地方露营。
地点状语从句与定语从句的区别:在于分句在句中作什么成分。
作状语，则是状语从句；作定语修饰名词，则是定语从句。
where引导定语从句时，从句前应有一个表示地点的名词作先行词；而状语从句前则无需先行词。
如：Go back where you came from.(where引导地点状语从句）Go back to the village where you came from.(where引导定语从句，修饰village)We went home, where we had dinner. (where引导定语从句，修饰home)2、原因状语从句原因状语从句一般由because(因为)，since(既然)，now that(既然，因为)，as(由于)等连词引导。
（1）because表示直接的原因，表示原因的语气最强，常表示必然的因果关系。
回答why引起的特殊疑问句，只能用because。
Jane wore a raincoat because it was raining.因为天下雨，所以詹穿着雨衣。
He is absent today because he is ill.他今天缺课，因为他病了。
（2）since表示对方已经知晓、无须加以说明的原因或事实，语气比because稍弱。
I'll do it for you since you are busy.既然你忙，我来替你做吧。
状语从句讲解及练习题50题-有答案
状语从句1.在主从复合句中修饰主句中的动词，形容词，副词等的从句叫状语从句。
可分为，时间状语从句，地点状语从句，原因，目的，结果，条件，让步，比较和方式状语从句。
2.时间状语从句起时间状语作用的句子；可放在句首，句中和句尾常用引导词：when，while, as, after, before, since, till, until, the moment, hardly … when , no sooner … thanwhen, while, as的用法1)when 用法最广，常可代替while和as, 在while 引导的从句中，动词只能是延续性的When the fire broke out, all the students were sleeping soundly.The telephone rang while I was taking a bath.2)当两个表示时间延续的动作同时发生而又有对比意味的时候，用while，在这样的复合句中，主句从句的时态通常是相同的。
Father was preparing a report while I was playing PC games.3)常用as 的情况：一边…一边；表示随着短暂动作的发生，另一行为伴随发生As he talked on, he got more and more excited.until和till的用法表示“一直到…”时，主句和从句都用肯定式；I will wait until/ till the concert is over.表示“直到…才…”是，主句用否定，从句用肯定式。
They can’t go until Sunday.since的用法since引导的从句中，如果是持续性动词，往往理解为某一状态的终止。
He has written to me frequently since he was ill. 自从他病好以来，他常写信给我。
(word完整版)高考英语状语从句40题附答案
高考英语状语从句40题附答案1.—Wha.ar.yo.goin.t.d.thi.summer?—I'm going to visit the Great Wall __________ the school term ends.A.s.tha.B.a.soo.as.C.before.D.i.orde.that2.M.Englis.i.ver.poor..can'.lear.i.wel._________.yo.hel.me.A.if.B.unless.C.while.D.when3..wa.tol._____puters.A.tha.ho..B.ho.tha..C.whe.tha..D.tha.when4.—D.yo.hav.an.problem.i.yo._______.fiv.minute.t.read?—Well.I'.thinkin.abou.th.ne.words.Ther.ar.to.many.A.giv..B.give..C.ar.give..D.wer.given5.His father has worked for 17years in this factory __________ he came here in 2000.A.since.B.for.C.whenD.ho.long6.Thi.lesso.wa.s.borin.___.som.student.bega.t.slee.i.class.A.that .B.and .C.when .D.how7.You can make progress in English __________ you try your best.A.befor.B.unless.C.whether.D.a.lon.as.8._______.h.ha.littl.knowledge.th.ol.worke.ha..lo.o.experience.A.I.B.Becaus..C.Althoug.D.when9.I will lend you my computer you promise to return it on time.A.sinc..B.whe..C.o.conditio.tha..D.i.orde.that10..tru.frien.ca.se.th.pai.i.you.eye.____.everyon.els.believe.th.smil.o.you.face.A.whil..B.becaus..C.befor..D.until11.Th.movi.i..grea.success._________.it'.no.ver.good.A.s..B.bu..C.althoug..D.and12.Jac.was’.sayin.anything,bu.th.teache.smile.a.hi.. h.ha.don.somethin.ver.clever.A.in caseB.as ifC.wileD.though13.I.th.exam.th._______.yo.are.th.______.mistake.yo.wil.make.A.careful.littl..B.mor.careful.fewes..C.mor.careful.fewe..D.mor.careful.less14.Thi.i.a.interestin.book...... I’l.bu.it... .A.ho.muc.ma.i.cos..B.howeve.i.ma.cos.C.ho.ma.i.cos....D.n.matte.ho.i.ma.cos.15.Today we will begin we stopped yesterday so that no point will be left out.A.whenB.whereC.howD.what16.—Does Ted tell you if he __________ next Sunday?—No.h.doesn't.Bu.i.h.________.I'l.giv.yo..ring.e...e..e17.Th.bu.drive.alway.say.t.u.,“Don'.ge.off_______.th.bu.stops.”A.whe...B.whil.....unti...D.i.18.Yo.spea.i..lo.voice.Danny.Pleas.spea.loudl.____..ca.hea.yo.clearly.A.thoug..B.s.tha..C.bu..D.unless19.____ you keep on trying, I really don’t mind whethe.you can come up top in your class.A.As long asB.Even thoughC.As soon asD.The moment20..Yesterda.ther.were ... .man.peopl.i.th.par.... .almos.los.m.way..I.wa.th.Ma.Da.holiday.Lot.o.peopl.wante.t.hav.fu.there.A.quite.that .B.very.tha.C.enough.that .D.so.tha.21..won'.believ.you__..hav.see.i.wit.m.ow.eyes...A.befor..B.unti..C.afte..D.when22.Some people are holding their umbrellas ____ it is raining.A. in caseB.so thatC.as thoughD.unless23.—We'l.g.fo..picni.i.i._______.thi.Sunday.— Wish you a lovely weekend.A.rai..B.rain..C.won'.rai..D.doesn'.rai.24.—You speak _____ fast _____ we can’t follow you.—I will speak slowly.A.so.that .B.such.tha.C.suc.a.tha.D.too.to25.Sh.__.hom.__.sh.wa.satisfie.__.hi.answe.yesterday...A.didn'.go.until.t....B.wasn'.g o.after.t...C.doesn'.go.before.wit..D.didn'.go.until.with26.There are always ____interesting stories in the series that ___ many people watch them.A. so.so .B.such.suc..C.such.so ..D.so.such27.we won’t change our plan, it rains.A.becaus..B.sinc..C.a.i.D.eve.i.28.Yo.shoul.finis.you.lesson.______.yo.g.ou.t.play.A.befor.B.afte.C.whe.D.while29.Projec.Hop.ha.raise.muc.mone._________.th.poo.childre.ca.g.t.school.A.because.B.s.tha..C.i.orde.to.D.though30.Teres.i._______.nervou._______.sh.can'.tal.i.fron.o.th.class.A.such.tha..B.too.t..C.so.tha..D.too,that31.These days the long TV play is popular my mother often keep watching it for twohours without a rest a day .A.such.that .B.to..t..C.ver..that .D.s..that32.Th.meetin.didn'.start__.everyon.wa.there.A.becaus..B.unti..C.wh..D.if33.Stayin.i..hote.cost.... rentin..roo.i.a.apartroo.fo..week.A.twice as more asB.as more twice asC.twice as much asD.as much twice as34.H.too.of.hi.coa.______.h.fel.hot.A.becaus.B.a.C.i.D.since35._________.afte.th.dail.har.work.M.Ya.wa.hungr.fo.books.A.Tire.a.wa.h..B.A.tire.h.wa..C.A.h.wa.tire..D.Tire.a.h.was36.Whe.yo.rea.th.book.you’.bette.mak..mar.______.yo.hav.an.questions.A.whic.B.tha.C.wher.D.though37._________ hamburgers are junk food, __________ many children like them.A.Although...B.Although.bu..C.Because...D.Because.so38.Literature must consist of words, music sonsist of sounds.A.even thoughB.so thatC.just asD.even sincet.fo.clas.yesterda.______.ther.wa.somethin.wron.wit.m.bike.A.whe.B.tha.C.unti.D.because40..Th.docto.tol.m.no.t.ea.to.much.bu..foun.i.difficult.—Th.docto.i.right.________.yo.eat._____.yo.wil.be.A.Th.less.th.healthie...B..Th.less.th.mor.healthilyC.Th.more.th.healthie..D.Th.more.th.mor.healthily1~5BBDCA 6~10ADCCA11~15CBCBB 16~20ACBAD21~25CADAD 26~30CDABC31~35DBCAD 36~40CACDA。
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1．An anti－corruption campaign has continued________Dec.25，2013 when the Communist Party of China issued a five－year anti－corruption plan.A．in B．onC．by D．since2．You never really understand a person________you consider things from his point of view.A．if B．onceC．as D．until解析：选D。
考查状语从句的用法。
句意：直到你能从他的观点角度上思考问题你才能真正了解一个人。
if如果；once一旦；as由于；until直到。
故选D。
3．He hasn’t got any hobbies，________you call watching TV a hobby.A．when B．ifC．unless D．since解析：选C。
考查状语从句。
句意：他没有任何爱好，除非你将看电视称为爱好的话。
when当……时候；if如果；unless除非，要不是；since既然。
根据主从句之间的关系和连词含义判断。
故选C。
4．Students’ active performances in class will be the new normal________teachers give them more chances.A．although B．onceC．until D．since解析：选B。
考查状语从句。
句意：一旦老师们给孩子更多的机会，学生们在课堂上的积极表现将成为新的常态。
although尽管，虽然；once一旦；until直到；since自从，既然。
根据主从句之间的关系判断选B。
5．This is a very interesting book. I’ll buy it，________.A．how much may it costB．no matter how it may costC．however much it may costD．whatever may it cost解析：选C。
考查状语从句的用法。
句意：这本书很有趣，不论多贵，我都要买。
no matter how＝however 无论，引导让步状语从句，其后直接跟形容词或副词引导从句。
故选C。
6．________I can’t fully understand what his music conveys，his performance is quite impressive.A．As B．SinceC．If D．While解析：选D。
考查连词。
A因为；B自从；C如果；D尽管。
结合语境可知前句为让步状语从句。
句意：尽管我不能完全理解他音乐所传达的东西，但他的表演是相当令人印象深刻的。
故选D。
7．He found it increasingly difficult to read，________his eyesight was beginning to fail.A．though B．forC．but D．so8．—Did he come back early last night?—Yes.It was not yet eight o’clock________he arrived home.A．when B．thatC．before D．until解析：选A。
题干中用了it was ＋时间点＋when...结构，从属连词when引导时间状语从句，答句句意：是的，他不到八点就到家了。
9．—Can a person enjoy the pleasure from his work?—________he can have his interests and the work combined.A．Although B．SinceC．While D．Unless解析：选D。
考查条件状语从句。
句意：——一个人可以从他的工作中获得快乐吗？——除非他能把他的爱好和工作结合起来。
unless“除非”，符合句意。
10．He was so deep in thought，thinking of the problem________he knocked into the tree without noticing it.A．when B．whileC．because D．that解析：选D。
考查结果状语从句。
so...that...表示“如此……以致……”，引导结果状语从句。
句意：他思考问题太投入了，以致一不留神撞到了树上。
11．—No one can achieve anything of real significance________he works very hard.—I got it，Dad.I’ll study hard from now on.A．because B．ifC．unless D．when解析：选C。
考查条件状语从句。
设空处句意：一个人要是不努力，他就将一事无成。
根据句意可知选unless引导条件状语从句。
12．He tried his best to solve the problem，________difficult it was.A．however B．no matterC．whatever D although13．—Did you remember to give Jack the book?—Yes，I gave it to him________I saw him.A．while B．immediatelyC．once D．suddenly解析：选B。
考查固定句式。
immediately为从属连词，引导时间状语从句，表示从句的动作一发生，主句的动作随即就发生，常译为“一……就……”，本处用immediately表示“我一看见他就把书给他了”，故选B。
14．Can I have your name and your telephone number ________ we can touch you when we have news?A．so that B．even thoughC．in case D．as long as解析：选A。
句意：你能告诉我你的名字和电话号码吗？以便一有消息我们就可以联系到你。
so that 意为“为了，以便”，even though意为“即使”；in case意为“万一”；as long as意为“只要”。
根据语境可知，空格处引导目的状语从句，故选A。
15．I quite enjoy painting pictures，________I know that I do not have what it takes to reach the top.A．since B．unlessC．if D．though解析：选D。
考查让步状语从句。
句意：尽管我知道我不需要达到画画的最高峰，可我酷爱绘画。
故选D。
16．Actually，________we’re done a lot to develop a low－carbon economy，it doesn’t live up to our expectations.A．after B．onceC．unless D．though解析：选D。
考查though引导的让步状语从句。
after在……之后；once一旦……；unless除非……；live up to不辜负……，达到高标准。
though的意思为尽管。
根据句意：尽管我们为了发展低碳经济做了很多，但实际上，我们的期望并没有达到。
故选D。
17．________you have signed the contract with them，there is no point in discussing the price.A．Even if B．As thoughC．Now that D．As soon as解析：选C。
句意：既然你已经和他们签订了合同，再讨论价格也没有意义了。
now that“既然”，引导原因状语从句。
@网18．—How did she find the trip to America last month?—She had so good a time________she visited the Statue of Liberty.A．where B．whenC．that D．until解析：选B。
答句句意：参观自由女神像的时候，她玩得非常开心。
此题易误选C。
注意这里不是so...that...句型。
when在此引导时间状语从句。
19．Teachers can get promoted________they spend three years working here.A．even if B．as long asC．as far as D．in case解析：选B。
句意：只要在这里工作满三年，老师就可以得到晋升。
根据语意可知，应用as long as引导条件状语从句。
20．—So，________your misfortunes，you should try to stay busy and bear in mind that everyone gets one opportunity or another if they keep trying.—Thanks，I will.A．however B．whateverC．whenever D．whichever21．Fortune shows her power ________ there is no wise preparation for resisting her.A．when B．unless C．before D．until【答案】A【解析】考查连词辨析。
句意：没有明智的准备抵抗命运，命运就会显示她的力量。
A. when当…时；B. unless除非；C. before在…之前；D. until直到。
此处表示在没有准备的时候，故选A。
22．He was on the point of telling me the secret ___________someone patted him on the shoulder.A．as B．whenC．while D．then【答案】B【解析】考查固定句型和连词。
句意：他正要告诉我那个秘密,这时有人拍了拍他的肩膀。
sb.was on the point of doing s th.when…意为“某人正要做某事，这时(突然)……”，when在此为并列连词，意为“这时(突然)”，故选B。