51.  With these ideas, people never think of saving fresh water, never think that one day there will be a shortage of fresh water.

52.  First, I think we must strengthe to educate people, to let them know the serious situation now, to let them know the shortage of fresh water and the importance to saving water.

53.  Second, we must confine the industry using water and guide the factories to saving water as far as possible.

54.  we must save every single drop of fresh water.

55.  Water shortage is a vital thing, we must save water for our survival .

56.  Facing this problem, we should save water and don't make the fresh water useless.

57.  It is essential that we take steps to save fresh water.

58.  Because of the short of fresh water, as a current college student, we should do: First, we should save water.

59.  I think that we should save every drop of water.

60.  The most importance measure is saving up water all over the world: we must attach importance to the water pollution, too.