dolphin protection 海豚保護的論文提綱
introduction: what is dolphin, where they live, what they eat, how many number are there in the world, what is the relationship between dolphin and us
body: what is the importance of protecting dolphin
what is the benefit can we get if we protect dolphin
How can we protect dolphin
Now what kind of groups are protecting them
conclusion: emphasize we should protect dolphin