Ⅰ.基础词汇

1.preserve v．　　　　　　　保护；保存

2.remains n. 遗迹；遗体

3.list v. 把......列表，列清单

4.recommend v. 建议

5.precious adj. 宝贵的；珍贵的；贵重的

6.request n. 请求；要求

Ⅱ.拓展词汇

1.agreement n．协议→agree v．赞同；同意

2.invest v．投资→investment n．投资→investor n．投资者

3.existence n．存在→exist v．存在；生存

4.relation n．亲属；亲戚→relationship n．关系，关联→relate v．使......有联系；叙述→related adj.有关系的，相关的

5.sharpen v．使变锋利→sharp adj.锋利的→sharply adv.锋利地；锐利地

6.evolution n．进化；演变→evolve v．发展；(使)进化

7.exposure n．暴露；显露→expose v．暴露；(使)曝光；揭露→exposed adj.无遮蔽的；无保护的

8.contribute v．促成→contribution n．贡献；捐献→contributor n．捐献者；投稿人

9.endangered adj.濒危的→endanger v．使遭受损失，危及→danger n．危险→dangerous adj.危险的

10.awareness n．意识；认识；感悟能力→aware adj.知道的；意识到的

11.propose v．建议；提议→proposal n．建议；提议

12.assistance n．帮助，援助→assist v．协助；帮助 →assistant n．助手

13.estimate v．& n．估计；估算；估价→estimation n．评价；判断 1.preserve v．保护；保存

[联想]　①reserve vt.保留，预定

②conserve v．保护；节省　③deserve v．应受；值得

④serve n．提供，端上(饭菜等)；为(顾客)服务

2.sharpen v．使变锋利

[联想]　盘点后缀­en结尾动词

①weaken削弱　　　　②widen加宽

③deepen使加深 ④lengthen加长

⑤strengthen使......变长，加强，巩固

3.recommend v．建议

[同义]　propose, suggest, advise

4.request v．要求 n．请求；要求

[联想]　①require vt.要求，需要

②demand vt.要求

5.agreement n．协议

[串记]　Finally we all agreed with what he said and reached an agreement.

6.invest v．投资

[串记]　The American­Chinese investor invested all his life savings in education that needs investment.

7.existence n．存在

[串记]　The island existed for centuries; no one knows when it came into existence.

8.exposure n．暴露；显露

[串记]　Never expose the paint to the sunshine, or it'll come off as the result of exposure.

9.contribute v．促成

[串记]　Qian contributed to science and technology and he'll be remembered for his great contributions.

10.assistance n．帮助，援助

[串记]　A kind­hearted assistant gave us much assistance when we went shopping yesterday. 　　

　　二、这样记短语

记牢固定短语 多积常用词块 1.agree on　　　　　就......达成一致

2．take place 发生

3．even so 虽然如此

4．all over the world 全世界

5．in danger 处于危险之中

6．contribute to 促成；导致

7．of vital importance 至关重要

8．apart from 除......之外 1.before the age of 14　　　　十四岁以前

2．live to the age of 50 活到五十岁

3．an important tourist attraction 一个重要的旅游景点

4．in the 1920s 在二十世纪二十年代

5．exposure to the air 暴露于空气中

6．cause serious damage 造成严重损害

7．be removed from the list 从名单上除去

8．raise public awareness 增强公众意识 　　

　　三、这样记句式

先背熟 再悟通 后仿用 1.It has not only given us important information about prehistoric Asian societies, but also has provided amazing evidence about the process of evolution.

它不仅为我们提供了史前亚洲社会的重要信息，还为我们提供了人类进化历程中惊人的证据。 not only ... but also ..."不但......而且......，不仅......还......"，在句中连接两个并列的谓语，还可连接两个并列的主语、宾语、表语、状语等。 Internet not_only expands our horizons, but_also saves us time and energy.

因特网不仅开阔了我们的视野，而且也节省了我们的时间和精力。