Unit 6 一. 短语复习1. change the world 改变世界 2. My pleasure! 乐意效劳 3. think about考虑，思考 4. by accident 意外地，偶然地5. Its said that.据说 6. drinking water 饮用水7. fall into 掉入，掉进8. produce a nice smell散发出一种清香 9. Its believed that人们相信. 人们认为. 10. take place发生，出现 11. without doubt 毫无疑问，的确 12. at a low price低价13. translate . into .把译成 14. all of a sudden 突然（的 ）15. in the end 最后，终于16. by mistake 错误地17. divide .into. 把.分开18. at the same time 同时 19.Stop. from
