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1、Unit 17-18, SB重点词语:1.in high position 地位很高 2.the South Pole南极3.the North Pole北极4.polar bear北极熊 5.at the opposite end of 在对面 6.pull ones sled 拉雪橇7.be about do (do ) 正要（做） 8. be just around the corner 就在附近，即将来临 9.fall into 掉人 10.in good health 健康状况良好 11.stand on ones left leg 用左腿独立站好12.solo travel独自旅行
2、 13.blow away 吹跑；刮走14.knock sb. over. 把某人撞倒 15.refer to 所指；参考 16.rise to fame 名声大振 17.the host of a talk show脱口秀主持人18.so far 到目前为止 19.in history 在历史上20.fight for chances 设法寻找机会 21.best of luck to you 祝你好运 22.without a strong plan 没有详细的计划23.always be the very best 总是做到最好 24.share with与分享 25.lie to 位于
3、26.be made up of 由组成27.be surrounded by 被环绕 28.be famous for 因闻名29.such as 例如 30.take possession of 拥有 31.refer to 参考；所指 32.in relation to与有关33.be marked with 标有记号 pareto把比作 35.stand for 代表36.make up 占据空间 37.plenty of 大量；许多38.be native to 原产于39.be careful in （在某方面）仔细 40.prepare for 为作准备难点讲解:1.inspir
4、e【用法】vt. 激励；鼓励例如: His deeds greatly inspired his schoolmates.他的行为极大地激励了他的同学。【相关链接】1）inspiring adj. 激励人心的例如：The speakers words were inspiring.演讲者的话很具有感召力。2）inspired. adj. 受到鼓舞的例如：The inspired soldiers threw their caps into the air,shouting，“Long live the Public!”受到鼓舞的士兵将帽子抛向空中，大声喊着：“共和国万岁！”3）inspirat
5、ion n. 激励的人的人或事物例1：My father is always an inspiration to me父亲对我来说总是一个鼓励者例2：The motto is an inspiration to many of us. 这个“座右铭”对于我们许多人来说是一种激励。2. mean【用法一】adj. 地位卑下的；出身微贱的例如：All the maids were mean in Dreams of the Red Chamber红楼梦中所有的丫环都是地位卑微的人【用法二】adj. 吝啬的例如：Her husband is rather mean over money.她的丈夫对钱
6、相当吝啬。【用法三】adj. 破烂不堪的例如：They used to live in mean house in a mean street.他们以前住在一条鄙陋街道上的一幢破烂不堪的房子里。3. tense【用法】adj.紧张的例1：Her legs felt tense after running.跑步后，她感到双腿肌肉紧张。例2：He looks tense with anxiety.他因焦虑而显得紧张。例3：The situation became tense suddenly.形势一下子变得紧张起来了。【相关链接】nervous adj.紧张的（只指人的精神状态）例如：She fe
7、lt nervous when asked about that.当被问到那件事时，她紧张起来了。4. increase【用法一】vt. & vi.增长例1：Her absence increased our difficulty in doing the experiment.她的缺席增加了我们做这次试验的难度。例2：The number of the students in my class has increased to 58.我班学生人数已经增长到了58位。【用法二】n./inkri:s /增多；增加例1：The population increase makes the gover
8、nment feel hard.人口的增长让政府甚感棘手。例2：We have got a steady increase in production.我们的生产在稳步增长。【相关链接】increasing adj. 不断增长的例1：The increasing traffic problems are troubling the city people.不断增长的交通问题一直在困扰着市民。例2：The shopkeeper feels happy at the increasing income.对于日益增多的收益，店老板乐开了花。5.threaten【用法一】vt.威胁；恐吓例1：The
9、boss threatened to dismiss Lucy if she didnt obey him.老板威胁露西，如果她不服从，就要开除她。例2：The secretary received a letter threatening to murder the manager.秘书收到一封信，信中扬言要谋杀经理。【用法二】vt.& vi.预示；将要发生例1：The gathering black clouds are threatening a storm.天空中乌云密布，这预示着风暴要来了。例2：Knowing that a folld threatens, all the vill
10、agers are trying hard to get everything ready.知道一场洪水将要来临，所有的村民都在努力做好一切准备。【相关链接】1）threat n. 恐吓；威胁例如：Im not afraid of their threat.我不惧怕他们的恐吓。2）threat n.恶兆例如：There was a threat of rain in the dark sky.乌云密布的天空有下雨之兆。6.support【用法一】vt.支持例如：We firmly support their struggle for human rights.我们坚决支持他们为人权而进行的斗争
11、。【用法二】vt.支撑例1：Whales have no strong bones to suport their heavy bodies on land.鲸没有结实的骨骼在陆地上支撑其沉重的身体。例2：The hall is supported by six large columns.这个大厅由六根大圆柱支撑着。【用法三】vt.养活例如：He has a large family to support.他要养活一家子人。【用法四】n.支持例如：I hope to have your support in the election.我希望在这次选举中得到你的支持。7.affect【用法一】
12、vt.影响例1：Parents words and deeds affect their children a lot.父母亲的言行对小孩的影响极大。例2：Some plants are quickly affected by cold.有些植物很快就受到了寒冷气候的影响。【用法二】vt.感动；打动例如：The students were much affected by her story.同学们被她的事迹深深地感动了。【用法三】vt.（疾病）感染例如：His wound was affected badly.他的伤口受到严重的感染。8.lie【用法一】vi. 平躺（不规则动词，其过去式、过
13、去分词为lay，lain）例如：lie on ones back/side仰/侧卧【用法二】v. 展现，伸展例如：A bright future lies ahead.前途是光明的。【用法三】v. 位于例1：London lies on the River Thames.伦敦位于泰晤士河畔。例2：There lies a temple at the foot of the mountain.山脚下有一座庙。【用法四】v. & n. 说谎（规则动词）例1：You are lying to him!你在对他说谎！例2：They said she told lies to everyone.他们说她
14、对任何人都说谎。【相关链接】1）lie down 躺下例如：Go and lie down for a while.去躺一会儿。2）lie in 在于例如：The answer lies in two facts.答案在于两个事实。3）lie on 依赖，压迫，取决于例如：It lies on us to accomplish the task.完成这项任务是我们的责任。4）lie up 卧床休息例如：Youd better lie up for a few more days.你最好再多休息几天。5）lie有时后面跟形容词，表示所处状态。例如：The book lay open on the
15、 table.那本书打开着，放在桌子上。【相关链接2】1）lay v. （laid，laid）放、搁；产卵、下蛋 例1：He laid the book on the table and left.他把书放在桌上就走了。 例2：The hens lay ten eggs every day.这些母鸡每天下十个蛋。2）liar n. 撒谎者 例如：A liar is not believed when he tells the truth.说惯假话的人说真话时也没有人会相信。9.run【用法一】v. 跑，奔，逃跑例1：I ran as quickly as I could.我拼命地跑。例2：The enemy ran away. 敌人逃走了。例3：We ran to his aid. 我们跑去帮他。【用法二】v. 竞赛，竞选例1：run for Congress 参加国会议员竞选例2：run for mayor 竞选市长【用法三】v. （机器
