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1、Unit 3 An Unit 3 An Uplifting Uplifting PowerPowerWords and expression1.sustain1.sustain1.sustain: 1) to make sth/sb continue to exist over a period of time (maintain) e.g. The teacher tried to sustain the childrens interests. 老师努力维持孩子们的兴趣。P: 这些食物可以维持我们一周的食用。 The food will sustain us for a week. 2)
2、to hold up the weight of sth e.g. The floor wouldnt sustain the weight of a piano. 这地板承受不了一架钢琴的重量。P: 树枝应很难支撑水果的重量。 The branches could hardly sustain the weight of fruit. sustainable adj. 能持续的， 可持续的；sustainable economic growth 可持续经济增长sustained adj. 持久的 sustained hard work 坚持不懈的努力2. establish2. establ
3、ish1) to start a company, organization, system, situation that is intended to exist for a long time e.g. The university has established new rules and regulations. 这所大学制定了新的规章制度。P: 我的祖父于1938年创立了这个家族企业。My grandfather established the family business in 1938. 2）to start having a relationship with someon
4、e or to start discussion with them e.g. We have established diplomatic relations with many countries. 我们已经和很多国家建立了外交关系。P: 1月1日中美终于建立了外交关系。On January 1. diplomatic ties between the United States and China were at last establised. 3.venture3.venture3.dare to do (sth dangerous or unpleasant) e.g. Men v
5、entured their lives in space exploration. 人们冒着危险从事太空探索。Nobody venture to say a word. 没有人敢说一句话。P: 在那风雨交加的夜晚，很少有人敢出去。Very few people ventured to go out on that storm night. e.g. Jeff ventured his whole fortune on one throw of the dice.杰夫把全部财产全孤注一掷了。Proverb: nothing venture, nothing gained 不入虎穴焉得虎子 mer
6、cial/mercial/mercial: v, related to business and the buying and selling of the goods and service e.g. The downtown area is zoned for commercial use. 市中心被规划出供商业用。P: 我们最优先考虑的是利润和贸易增长。Our top priorities must be profit and commercial growth. n, an advertisement on television or radio e,g. A good commerc
7、ial puts across the attractive features of a product.好广告能突显出产品吸引人的特征。 commerce: the buying and selling of goods and servicee.g. Our country has been trying to broaden its commerce with other nations. 我国一直努力扩大与其他国家的贸易往来。P: 电子支付是电子商务的关键部分。The e-payment becomes the key part in the e-commerce. 5.tackle5
8、.tackle5.1) to make a determined effort to deal with a difficult problem e.g. It took twelve fire engines to tackle the blaze.用了12俩消防车对付那场大火。P: 我向他建议我们用另一种方法来处理这个问题。I suggested to him that we should tackle the problem another way. 2）talk to sb in order to deal with a difficult problem e.g. When I ta
9、ckled Didi about it; she admitted hed tried too much.当我与迪迪交涉此事时，她承认他过于卖力了。P: 如果比尔再迟到的话，我就得和他开诚布公地谈了。If Bill is late again, I will tackle him about it. tackle business 处理业务 tackle opponent 摔倒对手 tackle problem 处理问题 tackle ones business with skill 熟练地处理业务问题 6.sponsor6.sponsorv, to give money to a sport
10、s event, theater, etce.g. The bank is sponsoring a sports day for children in this area.银行在赞助为本区儿童举办的运动会日。P: 这家公司已经赞助了这场足球赛。The company had sponsored the football match. n, someone who officially agrees to help someone else, or to be responsible for what they do e.g. You need a sponsor to get a work
11、ing visa.你必须有担保人才能获得工作签证。7.previous7.previous7.1) (only before noun) happening or existing before the event, time, or thing that is being mentioned e.g. She has two children from a previous marriage. 她前一次婚姻有两个孩子。Do you have previous experience of this kind of work.你以前有过这种工作的经验吗？P: 作者在前一段落提到这件事。The a
12、uthor mentioned it in the previous paragraph. 2)(informal)e.g. Its a bit previous to ask for money before they have done the job.他们还没干活就要钱未免有点操之过急了。previous to sth: e.g. There were almost no women MPs previous to 1945.1945年以前几乎没有女性国会议员。P: 他说他们在复活节起前两天访问过他了。He said they had paid him a visit two days
13、previous to Easter? previously: adv; before the present timee.g. The world record was previously held by a Spanish athlete.这个世界纪录以前由一位西班牙运动员保持。P: 他们在此之前十年已经正式退休了。They had officially retired ten years previously. 8.significant8.significant8.1) having an important effect or influence, especially on wh
14、at will happen in the future e.g. This is a significant contribution to knowledge.这是对知识的重大贡献。P: 他最重要的政治成就就是废除了死刑。His most significant political achivement was the abolition of death penalty. it is significant that.e.g. It is significant that our ambassador was not invited.重要的是我们的大使没有被邀请。2)a signific
15、ant look, smile has a special meaning that is not known to everyone e.g. Grandpa looked me and gave me a significant smile.爷爷看着我，给了我一个意味深长的微笑。9.impact9.impact9. n, the effect or influence that an event, situation, etc has on someone or something e.g. Warnings about the dangers of smoking seem to hav
16、e little impact on this age group.吸烟有害健康的警告对这个年龄段的人似乎没有多大作用。P: 计算机对现代生活产生了巨大的影响。The computer had made a great impact on modern life. v, to have an important or noticeable effect on someone or sthe.g. It is obvious how bad movies will impact on children.坏电影对儿童会产生什么样的影响是显而易见的。P: 这项计划对当地社区会产生什么样的影响？How will this program impact on the local community?Answers to the dictationAnswers to the dictation1. prevent 2. valuable3. coming4. hit back5. successfullly6. virtues 7. ordinary8. take their place9. natural 10. benefit