Though about 75% of the earth is 中考作文covered with water, only 3% of it is fresh water. So we must save water by having a shower instead of a bath. We can save water by fixing dripping taps immediately and we can also save water by not washing under a running tap.
虽然地球75%都被水覆盖 ，
As we all know,英语用水 water is essential in our daily life. We drink water every day, we use water to wash things and cook food, we also use water to make machines. People can't live without water.
我们都知道水对于日常生活的重要性 。
