高三英语书面表达讲练─图画式（练习一）
下图描述了水的循环过程。请根据这幅图并结合相关学科的知识，用英语写一篇科普短文，以便刊登在某对外发行的英语刊物上。
注意：(1)词数：100~120左右；
(2)短文的题目及开头已给出，不包括在总词数内。
The Water Cycle
As we all know，more than 70 percent of the surface of our globe is covered by water. Do you know where the water comes from and why the water doesn’t dry up? This is because of the water cycle…
书面表达讲与练──图画式（练习一）参考范文[原创]
When the weather is fine, the heat of the sun evaporates water from the
rivers, lakes, seas and oceans. Thus water vapor is formed, which rises and
forms clouds in the air. When the clouds rise, they are cooled. The higher
they rise, the cooler they are. This causes more and more water vapor to
condense. In this way, the tiny drops of water in the clouds get bigger and bigger
until they are heavy enough to fall to the earth as rain.
Some of the rainwater sinks into the ground, and is used up by plants. Most
of them goes back to the rivers, lakes, seas and oceans. This is called the
water cycle, which starts all over again.