1.expression n 表情，表示，表达
Beyond expression 美的无法形容
Expressive adj, 表达的，意味深长的，富于表情的
2.think green 绿色思维；act green 绿色行动
3.without 用法小结
A. 1）（表示否定）没有，无，不需
2）（用在no,not,never等否定副词后，强调肯定）没有...不，没有...则不能..(每...必定...).
3）（与-ing 形式连用），不，无，没。
4）（表示条件）若无，若非
B.（ 1） 作表语的用法
without 引出的介词短语通常用作状语，但有时也可用作表语。
1）后接复合宾语的用法一
without+宾语+副词
2）后接复合宾语的用法二
without+宾语+介词短语
3）后接复合宾语的用法三
without+宾语+动名词
4）后接复合宾语的用法四
without+宾语+不定式
（2.）用于虚拟语气
without 有时可表示条件引出虚拟语气，与but for 大致同义。
Without a and b 与 without a or b 两者基本同义，相当于without a and without b,即同时否定a 和b两者。
4.napkin n 餐巾，一小块布或包巾
Lay-laid-lain
5.warp n,围巾，披肩，包装材料
V.包，裹，覆盖，隐藏
6.run out of 用完，耗尽
Run into=encounter 偶然遇见，与...相撞
Run it down 具实以告，说真话
Run off 逃跑，溜掉
Run over 超过，碾过，匆匆浏览
7. Cut down on 减少，削减
Consumer -consumption
Cut and dried 固定的，已成定局的
cut cells 剪切单元格
Cut away 切掉，切除
Cut corners 抄近路，用最简捷经济的方法
Cut down to size 降低威望
cut dirt 急忙逃走
cut in 切入，插嘴，超车
8. Start +v（ing）开始做某事
Start up 开动，创办
Start out 开始，出发，着手进行
start with 从...开始
flying start 快速起动，迅速发展
9.instead of 代替，而不是
10.over-packaged 过分包装
11.cleaning products 清洁用品
Cooking product 厨具
Dining product 餐具
12.solution n 解决办法，解答，溶液
test solution 试液
Solid solution 固液体
Cleaning solution 澄清液，清洗液
Aqueous solution 水溶液
Balanced solution 平衡容易
Concentrated solution 浓缩液，浓缩溶液
Strong solution 浓溶液
13. Community n 社区社会，共同体，公众，团体
Community service 社区服务，义务劳动
Community college 社区学院
Community center 社区活动中心
European community 欧洲共同体
French community 法兰西共同市场
Regional community 区域群落
community planing 社区规划
14. Valuable adj 贵重的，宝贵的
15. valuable 和 precious 这两个形容词均含"贵重的，有价值的"之意。
Valuable:指有相当价值的，可高价出售的，或有用，有益的东西；
Precious：指因稀罕，不容易得到而很值钱，或因本身的品质而具有极大的价值。
16.valueless adj 无价值的，不值钱的，不足道的
Invaluable adj, 无价的，非常珍贵的
17.item n 项目，一件商品（或物品），一则新闻
Pass on to 继续进行
Key item 关键项目，重点项目
Export item 出口项目/import item 进口项目
item record 项目记录
Continuous item 连续项目
18.teach sb to do sth 教sb 做事情
19.litter v 乱丢垃圾，弄乱 n 垃圾，杂乱
Litter bin 废物箱
litter up 乱丢废物；使混乱
litter with 散落着
litter about 到处乱丢
litter bag 废物袋
No litter 不要乱扔纸屑
Ground litter 枯枝落叶层
20.role model 榜样 =set an example for ..
be/act as a role model for...为...树立榜样
set a model for...为...树立榜样
exercises:
1.water recycle is a good way to save our resources.
2.there are three main items on our agenda.
3.add the vinegar and salt and cook for a further 2 minutes.
4.he groped for a solution to his problem.
5.warp plenty of paper round it.
6.he had a passive expression on his face.
7.the family is the center of the community.
8.he littered the Sunday paper all over the floor
9.this method of recycling the waste materials is a wonderful way of reducing.
10.having failed so many times,we have run out of ideas.
11.we are frequently reminded to cut down on our fat intake.
12.There's a danger of the government falling because it will lose its majority.
13.researchers need a growing supply of fuel to countinue their project.
14.we can make useful chemical fertilizer from waste liquid.
15.pop music dose not have to be trash,it can be art.
16.conditions are gettting worse and food is running out.
17.to operate regularly,the brain requires a constant supply of oxygen,
18.it's worth checking each item for obvious flaws.
19.those books looked old,dusty and unused for a long time.
20.attempts to reach a mutually agreed solution had been fruitless.
21.the sole reason the recycle bin exists is to implement an undo facility for deleted files.
22.laughtr is one of the most powerful expression of emotion.
23.if you want to live longer,you have to cut down on coffer and cigarettes.
24.this product can bring more hope to the patients in this community.
