活动 第一次游览长城 action:first time visit the great wall
见闻 一对年轻的中国夫妇和一对外国夫妇在吃午饭
spot: a youth couple of china and a couple of foreign arbitray
不同的行为反应 中国夫妇将剩饭及塑料袋满不在乎的扔长城外
different response: the chinese cuple dumped the remaind food and plastic case out of the wall randomly.
外国夫妇惊奇地问:"乱扔垃圾不是有损环境吗？
the foreign cuple asked curiously:" is it harmful to the environment to dump dust randomly?
你的看法 从外宾的惊呼中，你感到了增强公众环保意识的
your opinion, from the foreigner's exclaimation, you think it emergency to intense the public sense of environment.
紧迫性
