2017-2018学年高中英语 Unit 4 Global warming Section Ⅴ Wr

Unit 4 Global warming Section Ⅴ Writing—海报写作
本单元的写作任务是海报的写作。

海报是向大众发布某种消息的布告。

海报的形式多为招聘广告、活动宣传和人物介绍。

英文海报的内容常为球讯、影讯、商业报道、展览会、报告会、专题讲座等。

一、基本结构
海报一般由标题、正文和落款三部分组成。

1.标题:在第一行的正中间写上“POSTER”字样,接着在第二行即“POSTER”下面写上活动的具体名称或活动的内容。

如:An exciting football match。

2.正文:在第三行空4个字母格写正文,为一段。

海报的正文要求写清楚以下内容:第一,活动的目的和意义;第二,活动的主要项目、时间、地点等;第三,参加的具体方法及一些必要的注意事项等。

3.落款:要求写上主办单位的名称及海报的发文日期。

二、注意事项
1.时态:用一般将来时和一般现在时。

2.语言:海报文字要求简洁明了,篇幅要短小精悍。

文中可以用些鼓动性的词语,但不可夸大其词。

3.要求:海报一定要具体真实地写明活动的时间、地点、主要内容、参加规定及主办单位。

三、增分佳句
1.Green food is safe and healthy for you and all the family.
对于你和你的家人来说,绿色食品是安全和健康的。

2.Eating green food is an important step on the road to staying fit and healthy.
吃绿色食品是保持健康之路的重要一步。

3.In order to answer the call of “Protecting the Environment”, we decide to organize an activity in our school.
作为对“保护环境”号召的回应,我们学校决定组织这个活动。

4.We will take action to make our school more beautiful.
我们将采取行动把我们的学校变得更加美丽。

5.We will clean our school and pick up all the rubbish.
我们将打扫校园,捡拾垃圾。

6.We shall have a speech competition on environment protection.
我们将举行环保演讲比赛。

7.Our activity will begin at 8 on the morning of November 10 in our school.
我们的活动将于11月10日上午八点在学校举行。

8.Every student is welcomed to join us!
欢迎大家积极参与!
[题目要求]
假如你是你们学校的学生会主席。

请根据以下信息,为你校将要举办的一场篮球友谊赛写一则英语海报。

•参赛球队:来自美国的约克篮球队和本校校队;
•比赛时间:11月24日下午;
•比赛地点:学校体育馆;
•赛后幸运的学生可以得到本场比赛用的篮球作为纪念。

参考词汇:作为纪念as a souvenir
第一步:审题构思很关键
一、审题
1.确定体裁:本文为海报;
2.确定人称:本文的主要人称应为第三人称;
3.确定时态:本文主要时态应用一般将来时态。

二、构思
第一部分,海报的主要内容。

第二部分,活动的时间地点及特点。

第三部分,发出邀请。

第二步:核心词汇想周全
1.a_friendly_basketball_match 篮球友谊赛
2.There_will_be_... 将要有
3.hold 举行
4.It_is_said_that__... 据说
5.tense 紧张
第三步:由词扩句雏形现
1.来自美国的约克篮球队和本校校队之间将要有一场友谊篮球赛。

There_is_going_to_be_a_friendly_basketball_match_between_American_York_Bask etball_Team_and_our_school_team.
2.这场篮球赛将于11月24日下午在学校体育馆举行。

This_basketball_match_will_be_held_in_our_school_gym_on_the_afternoon_of_No
vember_24.
3.据说两队之间的竞争将会十分紧张,令人兴奋。

It_is_said_that_the_competition_between_the_two_teams_will_be_tense_and_exc iting.
4.最幸运的学生可以得到本场比赛用的篮球作为纪念。

(which引导定语从句)
The_luckiest_student_can_keep_the_basketball_which_is_used_in_this_match_as _a_souvenir_after_the_match.
5.欢迎所有的人去观看比赛。

All_of_you_are_welcome_to_the_match.
第四步:句式升级造亮点
1.用非限制性定语从句连接句1、2
There_is_going_to_be_a_friendly_basketball_match_between_American_York_Bask etball_Team_and_our_school_team,which_will_be_held_in_our_school_gym_on_the_afternoon
_of_November_24.
2.用be said to的形式改写句3
The_competition_between_the_two_teams_is_said_to_be_tense_and_exciting.
3.用非谓语作后置定语改写句4
The_luckiest_student_can_keep_the_basketball_used_in_this_match_as_a_souven ir_after_the_match.
第五步:过渡衔接联成篇
POSTER
A_Friendly_Basketball_Match
There_is_going_to_be_a_friendly_basketball_match_between_American_York_Bask etball_Team_and_our_school_team.
This_basketball_match_will_be_held_in_our_school_gym_on_the_afternoon_of_No vember_24._It_is_said_that_the_competition_between_the_two_teams_will_be_tense_ and_exciting._The_luckiest_student_can_keep_the_basketball_used_in_this_match_a s_a_souvenir_after_the_match.
All_of_you_are_welcome_to_the_match.
The_Students'_Union
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20172018学年高中英语Unit4GlobalwarmingSection1SectionⅠWarmingupPrereadingReading&Comprehending

20172018学年高中英语Unit4GlobalwarmingSection1SectionⅠWarmingupPrereadingReading&Comprehending

Unit 4 Global warming Section 1 Section Ⅰ Warmingup,Pre-reading,Reading &ComprehendingⅠ.用所给词的适当形式填空导学号 698242441.In the atmosphere surrounding (surround) the earth are greenhouse gases.2.He is lucky when compared (compare) with me.3.He is opposed (oppose) to my view.4.He acts freely without considering consequences (consequence).5.The temperature keeps going (go) up steadily (steady) when spring comes.6.Smoking does great harm (harmful) to health.7.I'd like to buy quantities (quantity) of books for the children.8. Natural (nature) gas has taken the place of coal for cooking and heating.9.People have a strong belief (believe) that life is improving.10.More carbon dioxide is actually a positive thing because it will make plants grow quicker (quick).Ⅱ.用方框内所给单词的适当形式填空导学号 69824245come about, subscribe to, quantities of, go up, result in, be opposed to,even if, keep on, result from, it is stated thatThe rainstorm resulted in the death of 41 persons.2.His political views are directly opposed to mine.3. It is stated that he has asked for his cards.4.How did this come about ?5.Disease often resulted from poverty.6.If the prices continue to go up ,we can't afford anything.7.He did not subscribe to my proposal.8.She's always trying to keep on good terms with her neighbors.9.We've had quantities of rain this summer.10. Even if I have to walk all the way I'll get there.Ⅲ.单句改错导学号 698242461.I don't know of anything to keep you smoking. ( 在you之后加from )2.He will sell his house why he needs money.( why→because )3.He spoke so loudly as to make himself understand. ( understand→understood )4.There is no doubt what English is very important. ( what→that )5.It is I who is to blame for the accident. ( 第二个is→am )Ⅳ.完成句子导学号 698242471.I don't approve of (赞同)your view.2.He would walk to school rather than (而不)take a bus.3. Are you opposed to (反对)his going there alone?4.Have you heard of the accident resulting in (造成)10 deaths?5. Even if (即使)he doesn't come,we can manage to finish the work in time.Ⅴ.句型转换导学号 698242481.Surely our teacher will come to help us.→ There is no doubt that our teacher will come to help us.2.Greenhouse gases continue to build up in the atmosphere.→ It is greenhouse gases that continue to build up in the atmosphere.3.I believe that your work will be recognized by your boss.→ It is my belief that your work will be recognized by your boss.4.In spite of our help,he will still fail.→ Even if we help him,he will still fail.Ⅵ.完形填空导学号 69824249(2017·全国Ⅱ)In 1973, I was teaching elementary school. Each day, 27 kids 1.B “The Thinking Laboratory.” That was the 2.A students voted for after deciding that “Room 104” was too 3.D .Freddy was an average 4.B , but not an average person. He had the rare balance of fun and compassion(同情).He would 5.D the loudest over fun and be the saddest over anyone's 6.A .Before the school year 7.D , I gave the kids a special 8.B , T-shirts with the words “Verbs Are Your 9.A ” on them. I had advised the kids that while verbs(动词)may seem dull, most of the 10.C things they do throughout their lives will be verbs.Through the years, I'd run into former students who would provide 11.D onold classmates. I learned that Freddy did several jobs after his 12.A from high school and remained the same 13.C person I met forty years before .Once, while working overnight at a store, he let a homeless man 14.B in his truck. Another time, he 15.C a friend money to buy a house.Just last year, I was 16.D a workshop when someone knocked at the classroom door. A woman 17.C the interruption and handed me an envelope. I stopped teaching and 18.A it up. Inside were the “Verbs” shirt and a 19.C from Freddy's mother. “Freddy passed away on Thanksgiving. He wanted you to have this.”I told the story to the class. As sad as it was, I couldn't help smiling. Although Freddy was taken from us, we all 20.B something from Freddy.文章大意:本文是一篇记叙文。

高中英语 Unit 4 Global warming Warming up and read

高中英语 Unit 4 Global warming Warming up and read
energy sources
cassette player micro-wave oven
heating
fridge
things that
light
use in
eysnoteourrvgey
hairdryer
home
television computer
stove
video player washing machine
Байду номын сангаас
Things that use energy in your home
light heating television cassette player
video player computer fridge stove
washing machine
hairdryer
Sources of energy
carnotite(钒钾铀矿), pictured here.
Guess it!
What source of energy?
Geysers(间歇泉)
Geothermal (地热的) Energy Plant
Discuss
An energy source is “renewable” when supplies of it never run out and “nonrenewable” when one day they will run out. Which energy sources on your list are renewable and which are non-renewable?
The Oil Refineries
A nuclear power plant

【小初高学习]2017-2018学年高中英语 Unit 4 Global warming Secti

【小初高学习]2017-2018学年高中英语 Unit 4 Global warming Secti

Unit 4 Global warming Section Ⅳ Learning about Language amp;Using Language[原文呈现][读文清障]WHAT CAN WE DO ABOUT GLOBAL WARMING?Dear Earth Care,I am doing a project on behalf of①my school about global warming. Sometimes I feel that individuals② can have little effect on③such huge environmental problems. However, I still think people should advocate④improvements in the way we use energy today. As I'm not sure where to start with⑤ my project, I would appreciate any suggestions you may have.Thank you!Ouyang Guang, ①on behalf/bI'hɑːf/of代表……一方;作为……的代言人②individual/ˌIndI'vIdʒʊəl/n.个人;个体adj.单独的;个别的③have an effect on 对……有影响④advocate/'ædvəkeIt/vt.拥护;提倡;主张⑤start with 以……开始(=begin with)关于全球变暖,我们能做些什么呢?亲爱的“关爱地球”组织:我正在代表学校做一项关于全球变暖的课题研究。

有时候我觉得,像这样巨大的环境问题,个人是起不了什么作用的。

然而我仍认为人们应该支持改善当今能源消耗的方式。

由于我不清楚我该从哪里着手开始我的研究,我将感谢任何你们给予的建议。

2017-2018学年高中英语 专题Unit 4 Global warming 1 Warming

2017-2018学年高中英语 专题Unit 4 Global warming 1 Warming

专题 Unit 4 Global warming 1 Warming Up Pre-reading Reading ComprehendingWords Phrases1. ________________ vt. 消费;消耗;耗尽;吃完 2. ________________ n. 图表;坐标图;曲线图 3. ________________ adj. 胡乱的;任意的 4. ________________ n. 现象 5. ________________ vi. 同意;捐赠;订阅 vt. (签署)文件;捐助 6. ________________ n. 燃料 7. ________________ n. 量;数量 8. ________________ vi. 趋向;易于;照顾 vt. 照顾;护理 9. ________________ prep. 每;每一 10. ________________ n. 资料;数据 11. ________________ n. 趋势;倾向;走向 12. ________________ n. 大灾难;浩劫 13. ________________ n. 洪水;水灾 14. ________________ vt. 反对;反抗;与(某人)较量 15. ________________ adj. 反对的;对立的 16. ________________ adj. 温和的;温柔的;淡的 17. ________________ n. 结果;后果;影响 18. ________________ vt. 陈述;说明 19. ________________ n. 种类;范围 20. ________________ vi. 看一下;扫视 n. 一瞥 21. ________________ adj. 平稳的;持续的;稳固的 22. ________________ adv. 平稳地;持续地 1. ______________________ 发生;造成 2. ______________________ 同意;赞成;订购 3. ______________________ 大量的 4. ______________________ 上升;增长;升起最新K12资料Sentences【参考答案】 Words: 1. consume subscribe 6. fuel 11. trend opposed 16. mild20. glance 21. steady Phrases: 1. come about 5. result in5. ______________________ 导致6. ______________________ 反对……7. ______________________ 即使8. ______________________ 继续1. This makes the greenhouse heat up and so the plants can grow throughoutthe coldperiod. 这使得温室变暖,因此作物能在寒冷时期生长。

高考英语复习Unit4Globalwarming教案

高考英语复习Unit4Globalwarming教案

Unit 4 Global warming一、课前基础自查( 一 ) 分类记单词——省时高效Ⅱ. 重点单词 ( 写其形 )Ⅰ. 阅读单词 ( 知其意 )1.per prep. 每;每一1. random adj . 胡乱的;随意的2.phenomenon n. 现象2. fuel n. 燃料3.quantity n. 量;数目3. graph n. 图表;坐标图;曲线图4.mild adj . 平和的;温柔的;淡的4. data n. 资料;数据5.range n. 种类;范围5. trend n. 趋势;偏向;走向6.glance vi . 看一下;审视6. catastrophe n. 大灾害;大难n.一瞥7. flood n. 洪水;水灾7.average adj . 均匀的8. outer adj . 外面的;外面的8.widespread adj . 散布广的;广泛的9. advocate vt . 拥戴;倡导;主张9.commitment n. 承诺;交付;信仰10. motor n. 发动机10. casual adj . 随意的;不以为意的;11. can n. 容器;罐头有时的12. microwave n. 微波炉;微波11. circumstance n. 环境;状况13. nuclear adj . 核的;核能的;原子核的12. refresh vt . 使恢复;使抖擞14. greenhouse n. 温室;花房13. presentation n. 显示;演出Ⅲ. 拓展单词 ( 通其变 ) [ 语境活用 ]1.consume vt . 花费;耗费;耗尽;吃完→ consumer 1.Waste water from the factory is the n.顾客main cause of the pollution (pollute) .2.subscribe vi .赞同;捐献;定阅 vt .签订(文2.At first he was opposed (oppose) to 件 ) ;捐助→ subscription n.赞同;捐献;订the plan, but we managed to argue him阅;签订into accepting it.3.tend vi . 趋势;易于;照料;常常会vt . 照料;3.In consequence (consequent) of your 护理→ tendency n.偏向;趋势bad work, I am forced to dismiss you.4. oppose vt . 反对;抗争;与(某人 ) 较量4.It was stated that the president made → opposed adj . 反对的;对峙的 a statement announcing new policies to 5.consequence n.结果;结果;影响→ consequent deal with the new situation.(state)adj .随之发生的;作为结果的→consequently 5.They have contributed a lot of food adv.所以;所以and clothing to the refugees so far and6. statevt . 陈说;说明→ statement .说明;their contributions will certainlyn说法;申明help the refugees live through the7. steady adj . 安稳的;连续的;牢固的winter. (contribute)→ steadily . 安稳地;连续地6.Many people do not believe the adv8. economical adj . 节俭的;经济的→ economic existence of the ghosts. Some youngadj .经济(上)的→economy n.经济;节俭children doubt whether there exist all9. existence .生计;存在→ existvi . 存在kinds of ghosts in the world.n→ existing adj . 当前的;此刻的(existence)10. pollution n.污染;弄脏→pollute vt .污7.The storm tends to hit our city, and 染→ polluted adj .被污染的we will observe the tendency of it11. growth n.增添;生长→ grow v.栽种;生closely.(tend)长;扩展8.The air conditioners of this type12. electrical adj .电的;与电相关的consume too much electricity. Many→ electricity n.电;电力→electric adj .电consumers complain about this.的;电动的→ electronic n.电子的(consume)13.educator n.教育工作者;教育家→educate 9.With the decline of the globalv.教育;培育→education n.教育;培育economy,_her family is faced with many 14. contribution .贡献;捐助→ contribute economic problems, one of which isnv.贡献;撰稿;捐助;捐献whether to buy an economical stove to 15. environmental adj . 环境的→ environment survive the whole winter. (economy)n.环境16. disagreement n.分歧;不一致→disagreev.不一样意→agree v.赞同;同意→agreementn.赞同;同意;一致( 二 ) 练中记短语——记牢用活写准记牢语境活用 ( 采纳左栏短语填空 )发生;造成 pared_to/with a traditional smartphone,2. subscribe_to 赞同;同意;订Paper Phone is lighter in weight.购2. The boom in building has resulted_in the local 3. quantities_of 大批的land being more valuable now for houses.4. go_up 上涨;增添;升起3. Large quantities_of food and tents were sent5. result_in 致使to earthquake-stricken a reas from surrounding6. be_opposed_to 反对provinces.7. keep_on 连续4. I keep_on walking after supper because I can't 8.compare_..._to/with 与相think of a better way to keep fit.比5. I have never subscribed_to the view that9. on_the_whole 大概上;基本上schooldays are the happiest days of your life.10. on_behalf_of 代表一方;6. Howdid it come_about that he is always so busy?作为的代言人7. With summer approaching, the temperature is11. put_up_with 忍耐;容忍going_up quickly.12. and_so_on 等等8. On_behalf_of my family, I express our thanks13. make_a_difference 有影响to you all for your help.9. She likes complaining everything that doesn'tagree with her, which I almost can't put_up_with.10. I appreciate your suggestion very much, whichhas made_a_difference to me.( 三 ) 仿写明句式——以用为本教材原句句式解读句式仿写1. There is no doubt that(2018 ·江苏高考书面表达 ) the earth is becoming毫无疑问,完整依靠花费排名warmer and that it is humanactivity that has causedThere is no doubt 是不理智的。

2017-2018学年高中英语Unit4Globalwarming课件新人教版

2017-2018学年高中英语Unit4Globalwarming课件新人教版
单句语法填空。 ①When ________ trouble,she always goes to her teacher for help. ②I won't go to the party even though ________ (invite).
完成句子。 ③_______________________, he is sure to get well. 如果再给他同样的治疗,他肯定会痊愈的。 ④_____________,you should remain silent at the conference. 除非被邀请讲话,否则你应该在会上保持沉默。 答 案 : ①in ②invited ③If given the same treatment again ④Unless invited to speak
Unit4 Global warming
1. consume vt.消费;消耗;耗尽;吃完;毁灭
( 教 材 原 句 P25)Make a list of the things that consume energy in your home,school,or any other places you can think of.
完成句子。 ③The kids soon __________________ on the table. 孩子们一会儿工夫就把桌子上的食品全部吃光了。 ④She didn't pass the exam,because she _______ TV. 她考试不及格,因为她把大部分时间都花在看电视 上了。 答案:①consumed ②of→with ③consumed all the food ④consumed most of her time in (watching)

高中英语真题:Unit4Globalwarming_9

Unit4GlobalwarmingⅠ.阅读理解(2018·全国Ⅰ)We may think we’re a culture that gets rid of our worn technol ogy at the first sight of something shiny and new,but a new st udy shows that we keep using our old devices(装置) well after they go out of style.That’s bad news for the envir onment—and our wallets—as these outdated devices consume much more energy than t he newer ones that do the same things.To figure out how much power these devices are using,Callie Babbitt and her colleagues at the Rochester Institute of Techn ology in New York tracked the environmental costs for each p roduct throughout its life—from when its minerals are mined to when we stop using the d evice.This method provided a readout for how home energy u se has evolved since the early 1990s.Devices were grouped b y generation.Desktop computers,basic mobile phones,and bo x-set TVs defined 1992.Digital cameras arrived on the scene in 1997.And MP3 players,smart phones,and LCD TVs entered homes in 2002,before tablets and e-readers showed up in 2007.As we accumulated more devices,however,we didn’t throw ou t our old ones.“The living-room television is replaced and gets planted in the kids’ room, and suddenly one day,you have a TV in every room of the ho use,”said one researcher.The average number of electronic d evices rose from four per household in 1992 to 13 in 2007.We ’re not just keeping these old devices—we continue to use them.According to the analysis of Babbitt’s team,old desktop monitors and box TVs with cathode ray tub es are the worst devices with their energy consumption and c ontribution to greenhouse gas emissions(排放) more than doubling during the 1992 to 2007 window.So what’s the solution(解决方案)?The team’s data only went up to 2007,but the researchers also explored what would happen if consumers replaced old products with new electronics that serve more than one functi on,such as a tablet for world processing and TV viewing.They found that more on-demand entertainment viewing on tablets instead of TVs and desktop computers could cut energy consumption by 44%.【语篇导读】本文是议论文。

20172018学年高中英语Unit4GlobalwarmingSection1SectionⅠWa

Unit 4 Global warming Section 1 Section Ⅰ Warming up,Pre-reading,Reading & ComprehendingⅠ.单词拼写导学号 698242411.A large quantity (数量)of air-conditioners have been sold since the temperature is high.2.Such a mistake would perhaps lead to disastrous consequences (结果).3.Several cars are available within this price range (范围).4.The personnel manager glanced (浏览)down the list of names of the applicants.5.We are making slow but steady (稳步的)progress.6.Their so-called prosperity is only a temporary phenomenon (现象).7.Make your actions deliberate, not rushed and random (随意).8.From all points of view,war would be a catastrophe (灾难).9.More than 70 people were killed in the floods (洪灾).10.I'd have a better chance at the state (州立) university.Ⅱ.选词填空导学号 69824242range,glance,come about,consequence,be opposed to,go up,even if,compare to,result in,randomIt was lack of effort, not of money, that resulted in2.Training lessons range from $200 to $500 for two or three hours.3.The detective,pretending to read a newspaper,glanced at the man sitting next to a woman.4.I simply couldn't understand how it came about that you did so much work within such a short time.5.His wife is very particular about dress and she is strongly opposed to wearing casual clothes on formal occasions.6.They also said that in the past 100 years, the global temperatures went up by 0.74℃.7.Even if your suggestions are turned down, at least you have tried your best.8.When compared to many other places, Texas is usually very hot and dry.9.I asked a few random questions of Ellen as we sat there.10.He broke the law,and now he must face the consequences of his actions.Ⅲ.句型转换导学号 698242431.It is certain that our team will recover from the failure.→There is no doubt that our team will recover from the failure.2.Not only his friends but also Mr White was invited to the party.→Mr White as well as his friends was invited to the party.3.We depend on energy to do many things in our daily lives.→It is energy that we depend on to do many things in our daily lives.4.They've tried to cut down on pollution, but there's still a lot of smog in the city.→They've tried to cut down on pollution, but there's still a large quantity of/a great deal of/a great amount of smog in the city.5.The illness resulted from eating too much bad food.→Eating too much bad food resulted in/led to the illness.。

人教版高中英语选修六 Unit4 Global warming-语法篇(学生版)

人教版高中英语选修六 Unit4 Global warming-语法篇(学生版)Unit4 Global warming-语法篇_____________________________________________ __________________________________________________________________________________ _____________________________________1.掌握it在强调句中的用法;2.能够利用这个语法点进行遣词造句并运用到写作中;it的用法—强调句型一、强调句型的基本用法英语中常用的强调句型是:It is / was + 被强调部分(主语、宾语、状语) + that / who / whom + 其他部分。

一般来说,被强调部分指人时,用who或whom,其他情况用that,但that也可指人。

现在用强调句型强调下面这个句子的主语、宾语和状语。

She met John at Mary’s birthday party last Sunday.→It was she who / that met John at Mary’s birthday party last Sunday. (强调主语)→It was John Whom / that she met at Mary’s birthday party last Sunday. (强调宾语)6. 被强调部分若是句子的主语,that / who之后的谓语动词在人称和数上应与句子的主语保持一致。

eg:It is I that / who am your friend that will come to help you.二、强调句型的几种较为复杂的结构形式1.被强调部分为状语从句。

Eg: It was when Tom was eleven years old thathis talent for writing became obvious.2.被强调部分含有定语从句。

2017-2018高中英语Unit4GlobalwarmingSectionⅢGrammar-it的用法(2)新人教选修6


三、强调句应注意的问题 1.即使被强调成分是句中的时间状语、地点状语、原因状 语等,也不能用when, where, because等而要用that。 It was in front of the bank that the old lady was robbed. 老太太是在银行前面被抢劫的。
2.强调句型中的主谓一致——还原后,由真正的主语来确 定谓语动词的形式。
②It was a scientist called Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.
③They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.
(2)It was/will be ... before ... “过……就……” It was not/will not be ... before ... “不久……就……”主 句中的 it 指时间,表语多是long, not long, three days, two weeks等表示“一段时间”的词或短语。试比较: It was three days before he went to Beijing. 三天后他就去了北京。 It was three days ago that he went to Beijing. 他是三天前去的北京。 此句是强调句,去掉“It was ... that”后句子仍然完整合理。
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