This will lead to the development of new techniques .
There are various teaching techniques that have to be learned before one can teaches well .
He is learning the technique of painting .
测试要点：区别 technique 和 technology
technique 是可数名词，指做某事的方法或者技巧。technology 常作不可数名词，指经过科学和工业的生产过程的技术。
advanced techniques 先进的技术。chemical technology 化学工艺。space technology 空间技术。science and technology 科学和技术。
6. glove 手套
测试要点： 表达一双手套时用：a pair of gloves
7. hopeless 绝望的；无望的
This patient seems hopeless . 这个病人痊愈的希望渺茫。
测试要点： 该词在句中时，后面的反意疑问句仍用否定式。如：
She felt hopeless when she saw how difficult the problem was , didn\'t she ?
8. Marxism 马克思主义，Marxist 马克思主义者（的）。
socialism 社会主义，socialist 社会主义者（的）。
Ours is a socialist country . 我们的祖国是社会主义国家。
Deng Xiaoping\'s theory of building socialism with Chinese characteristics is a great banner . 邓小平的建设有特色的社会主义理论是一面伟大的旗帜。
take Marxism as a guide to action 把马克思主义作为行动的指南
C. 单元重点词组扫瞄
1. Less noise , please . = Please make less noise . = Please be quiet . = Please keep silent . 请安静 ！
2. gather round 集合起来；把……集合起来
Gather round . Ladies and grentlemen , and see this wonderful new invention .
3. do / make a drawing 绘画；绘图
He is good at doing drawings of animals . 他擅长画动物。
4. come down from 从……下来
This song comes down from the 19th century .
The prices of vegetables have come down . 蔬菜的价格已经降了下来。
5. pipe … into 用管子把……输送到
In many countries with sea coasts human waste is piped directly into the sea without being treated . 许多沿海的国家对人的粪便不加处理便用管子直接将其排入海中。
6. break down 把……分解；机器发生故障；建筑物倒塌；计划失败
Water is broken down into hydrogen and oxygen . 水被分解成氢和氧。
A good method is to take the water far out to sea in ships where the wind and waves breaks it down .
7. escape from 从……逃走；流出
Gas escaped from the pipe .
The soldier escaped from the enemy\'s prison .
8. all forms of 各种各样的
They seek to protect all forms of life in oceans .
9. pass the law 通过法律。make a law 制定法律。
China has made special laws to deal with waste and control pollution .
They have made a law against smoking in public places .
In 1989 an international law was passed to stop people putting waste into the sea .
10. be ( very ) active in 在……积极
China has also been very active in protecting the environment .
11. a mountain of , mountains of , a huge mountain of 大量的
In western countries , mountains of rubbish are thrown away every day .
12. play a game 做游戏；比赛
Let\'s go out and play a game of basketball .
13. multiply A by B“以B乘A”
14. make an effort to do = make great efforts to do 尽力干……。
He made great efforts to save the his patient .
15. shut down 关闭；关上
Many factories were shut down because they polluted the schools around .
16. be disappointed with / at / about 对……感到失望