1. saving water means cherishing life.2. water resources are limited, the river of life is infinite.3. electricity saving and environmental protection slogan: saving energy, promising, work in the contemporary, benefit in the future 4. protect green slogan: don't step on me. I can hurt my...
(1) A drop of water is worth more than a sach of gold to a thirsty man. (2) Don’t let the water run in the sink, our life is on the brink.