31. I think we must take the following measures to protect fresh water resources.
32. Second, the central government should make a series of laws to prevent water pollution and protect fresh water resources.
33. Secondly, we should control and deal with the pollution, protect our fresh water resource.
34. We also should educate the people to be aware of the importance of refresh water, tell them to save it, protect it.
35. Lastly, we should set up a constitution to protect fresh water.
36. But to those who try their best to protect, discover or make good use of it, we should award them metal or material trophies.
37. Fourthly, make some rules to protect river lake or well from pollutted .
38. So many people haven't realise the importance of protect the resource of water and waste or pollute water casually.
39. So it's no wonder that many scientists appeal that we should protect the global water resource early.
40. As the member of the Big Family, we must do our bests to protect the water resource.