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变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分only状语置于句首状语置于句首引起的倒装句的基本用法引起的倒装句的基本用法变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分only修饰句子的状语（从句）位于句首时，修饰句子的状语（从句）位于句首时，句子（主句）要用部分倒装。句子（主句）要用部分倒装。句型为:only+状语/状语从句+be/助动词/情态动词+主语 Only in a big city was it possible to buy a new wheelchair.只有在大城市里才能买到新轮椅。只有在大城市里才能买到新轮椅。Only in this way can you learn English well.只有这样，你才能学好英语。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分倒装与正常语序，体会意思差别倒装与正常语序，体会意思差别 Only after being asked three times did he come to the meeting.I realized the importance of English thenOnly then did I realize the importance of EnglishuYou can learn English well by practising every day.uOnly by practising every day can you learn English well.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分如果句子为主从复合句，则主句倒装，如果句子为主从复合句，则主句倒装，从句不倒装。从句不倒装。例如：Only when he is seriously ill does he ever stay in bed.病得很重时，他才卧床休息。部分倒装部分倒装是指将谓语的一部分如助动词或情态倒装至主语之前。如果句子的谓语没有助动词或情态动词，则需添加助动词do,does或did，并将其置于主语之前。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 Onlyifyoustudyhardcanyoupasstheexam.只有努力学习才能通过考试。只有努力学习才能通过考试。Only because there were some cancelled bookings did he get some tickets in the end.一些预订被取消了，一些预订被取消了，他才得以买到了几张票。他才得以买到了几张票。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分注意：注意：如果放于句首的如果放于句首的only所修饰的不是状语所修饰的不是状语时，时，该句不用倒装。该句不用倒装。例如：只有约翰能够救我。例如：只有约翰能够救我。Only John can save me.只有几个孩子通过了考试。只有几个孩子通过了考试。Only some of the children passed the examination.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分考题考题1 _ by keeping down costs will Power Data hold its advantage over other companies.(2006浙江浙江)A.Only B.Just C.Still D.Yet答案答案 A解析解析 放于句首的放于句首的only修饰方式状语修饰方式状语by keeping down costs时，时，全句要进行部分倒全句要进行部分倒装，装，而而just,still,yet都无此用法。都无此用法。Exercises变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分考题考题2 Only in this way _ to make improvements in the operating system.(2003上海春上海春)A.you can hope B.you did hopeC.can you hope D.did you hope解析解析 only在题干中放于句首并修饰方式状在题干中放于句首并修饰方式状语语in this way，全句应进行部分倒装。又由全句应进行部分倒装。又由于该句不是介绍过去的情况而是表述现实的一于该句不是介绍过去的情况而是表述现实的一种状况，种状况，所以不应采用一般过去时，所以不应采用一般过去时，本题应本题应选选C。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分考题考题3 _ can you expect to get a rise.(2001北京、北京、安徽春安徽春)With hard work B.Although work hard C.Only with hard work D.Now that he works hard 解析解析 题干中句子的结构显然为部分倒装语题干中句子的结构显然为部分倒装语序，序，四个选项中只有四个选项中只有C选项修饰方式状语选项修饰方式状语with hard work的的only可以引导倒装句，可以引导倒装句，因此本题因此本题应选应选C。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分考题考题5 Only then _ how much damage had been caused.(2006陕西陕西)A.she realized B.she had realizedC.had she realized D.did she realize解析解析 放于句首的放于句首的only修饰时间状语修饰时间状语then时，时，主句应进行部分倒装，主句应进行部分倒装，而且主句中而且主句中“她意识她意识到到”这一过去的动作对应的是这一过去的动作对应的是“已导致损失已导致损失”这一发生得更早的动作，这一发生得更早的动作，所以下划线应与后面所以下划线应与后面宾语从句中的过去完成时相呼应，宾语从句中的过去完成时相呼应，采用一般过采用一般过去时的形式，去时的形式，据此可以分别排除选项据此可以分别排除选项A、B和和C而选出而选出D。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Translation:1.只有这样你才能学好英语。只有这样你才能学好英语。Only in this way can you learn English well.2.只有当他病的很重的时候他才留在家里。只有当他病的很重的时候他才留在家里。Only when he is seriously ill,does he ever stay in bed 3.只有坐船我们才能到达那个小岛。只有坐船我们才能到达那个小岛。Only by taking a boat can we reach the island.4.只有在这里你才能找到你想要的。只有在这里你才能找到你想要的。Only here can you find what you want.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分5.只有那时候他才明白生命的价值。只有那时候他才明白生命的价值。Only then did he realize the value of life.6.只有在他死后他的作品才被人知道。只有在他死后他的作品才被人知道。Only after his death/Only after he died were his works known.7.只要你努力你就会取得成功。只要你努力你就会取得成功。Only if you work hard can you achieve success/succeed.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分1.Only then _ how much damage had been caused.A.she realizedB.she had realizedC.had she realized D.did she realize2.Only after my friend came _.did the computer repairedB.be repaired the computerC.was the computer repairedD.the computer was repaired变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分3._ by keeping down costs will Power Data hold its advantage over other companies.Only B.JustC.Still D.Yet4.Only in this way _ to make improvements in the operating system.A.you can hope B.you did hopeC.can you hope D.did you hope5._ can you expect to get a rise.With hard work B.Although work hardC.Only with hard work D.Now that he works hard 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分6.Only when your identity has been checked,_.you are allowed in B.you will be allowed inC.will you allow in D.will you be allowed in7.Only then _ how much damage had been caused.A.she realized B.she had realizedC.had she realized D.did she realize 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分8.Only when you realize the importance of foreign languages_ them well.A.you can learn B.can you learn C.you learned D.did you learn9.Only after liberation _ to be treated as human beings.A.did they begin B.they had begun C.they did begin D.had they begun10.Only by practicing a few hours every day_ be able to master the language.A.you can B.can you C.you will D.will you变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分11.Only when the rain stopped _ again.A.the match started B.does the match start C.did the match start D.the match had started12.Only in this way_ expect to get over so many difficulties.A.we are sure to B.can we C.that we can D.that can we变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分13._can you expect to get a pay rise.A.With hard work B.Although work hard C.Only with hard work D.Now that he works hard14.Only by practicing a few hours every day _ be able to waste much time.A.you can B.can you C.you will D.will you变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分15.Only in this way _ do it well.A.must we B.we could C.can we D.we can16.Only in an hour ago _ out why he was absent.A.did the teacher found B.the teacher found C.did the teacher find D.had the teacher found变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分17.Only when class began _ that he had left his book at home.A.will he realize B.he did realize C.did he realize D.should he realize18.Only when you have finished your homework _ go home.A.can you B.would you C.you will D.you can变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分19.Only in this way _ progress in your English.A.you make B.can you make C.you be able to make D.will you able to make 20.Only by this means _.A.we can hope to succeed B.can we hope to succeed C.can we hope to success D.we can hope to success变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分21.Only when I finish my homework _watch TV.A.I can be allowed to B.can I be allowed to C.I can be allowed D.can I be allowed22.Only after I read the text over again _its main idea.A.that I knew B.did I know C.I could know D.I did know变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分23.Only when the war was over _to his hometown。A.did the young soldier return B.the young soldier returned C.returned the young soldier D.the young soldier did return
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