recyclable adj.可循环的

　　完成句子

　　(1)These are bags made_of_recycled_paper(由再生纸做的)．

　　(2)Some materials can_be_recycled(是可以循环使用的)．

　　5

　　However，the companies have to train their representatives to live and work in space settlements.这些公司必须培训他们的代表能在太空中生活和工作。(回归课本)

　　用法点拨

　　Delegates will meet with representatives from industry and the government.

　　代表团将与产业界和政府的代表会面。

　　The study was carried out in one small town，so we can't be sure that the results are truly representative.

　　这项研究是在一个小镇里完成的，所以我们不能肯定其结果具有真正的代表性。

　　归纳拓展

　　representative of/from.........的代表

　　represent v．代表；表示；象征；作为......的代表

　　represent sb./sth.as sth.把......描绘成......

　　be represented (团体或组织)派代表出席

　　佳句背诵

　　(1)All five countries will be represented at the summit.

　　5个国家都将派代表出席首脑会议。

　　(2)Works by younger artists are well represented in the show.

　　年轻艺术家的作品在展览上得到了很好的展示。

　　6

　　However，the companies have to train their representatives to live and work in space settlements.这些公司必须培训他们的代表能在太空中生活和工作。(回归课本)

　　用法点拨

　　They are negotiating a peace settlement.

　　他们正在为达成和平协议进行谈判。

　　They discovered the remains of an early Anglo­Saxon settlement.

　　他们发现了一个早期的盎格鲁­撒克逊人的村落。

　　归纳拓展

　　settle v．解决，调停(争执)；定居，安家

settle down(使)安定；(使)平静；(使)平息