至志_ww
春芽
共回答了16个问题采纳率:75% 举报
1.Make law and arouse people's awareness of it
2.Yes,but it takes too much money and time
3.Yes,of course
4.To protect our environment and it is a global problem.hehe
5.In CHina the Green Great Wall is a typical example of fighting desertification
6.Yes.They can make the problem known to the public.
1年前
2