中译英：只有那些认识到环境重要性的人才可能保护环境

1.It is impossible for us to know what he was thinking.
2.Only those who are aware of the importance of the environment are likely to protect it.
3.I think quality-oriented education puts more emphasis on puting those one has learnt into practice.
4.It is a complete puzzle what caused the forestfire.
5.Internet enables people to keep in touch usually.