本章单词：
1.consume【k?n'sju?m】vt消费，吃完，喝光.
vi.消灭，毁灭
例：only 27% of the paper that we consume is recycled.(我们用过的纸张只有27%可以回收利用。)
2.neutral ['nju?tr?l] adj.中立的，中性的
a neutral nation 中立国
3.interpret [?n't??(r)pr?t] v.解释，说明；口译
I interreted her answer as a refusal 我将她的回答当成了拒绝。
4.knot [n?t] n.绳结，树节；（航速单位）节
vt.把……打成结
5.promote [pr?'m??t] vt.促进；发扬；提升；宣传，推销
例句：即墨 was promoted to the captain of hyperion.