Water goes around and around Earth in a never ending journey called the water cycle（循环）. T

Water goes around and around Earth in a never ending journey called the water cycle（循环）. The sun heats up lakes, oceans, and other wet places on Earth. When the water gets warm enough, it changes into vapour. Plants also give off lots of water vapour. Some of this water vapour cools off high in the sky and becomes clouds. Then it falls back to Earth in a new place as rain or snow. This cycle happens over and over again.
The ground can absorb water like a sponge (海绵). If you could see this groundwater, it wouldn’t look like a lake or river. The groundwater is mixed in with the rocks and sand that lie in layers(层) below Earth’s surface.
Groundwater moves along slowly. How slowly? Maybe 1.5 kilometres in one century. Some of this water has been underground for thousands of years. And once groundwater is pumpedout of the ground from a deep well（井） by people, it may take hundreds of years for another water to take its place.
【小题1】In which order does water go around Earth?
a .Fall down as rain or snow.
b. Heated up by the sun on lakes, oceans and other wet places.
c. Cool off high in the sky.
d. Form clouds.
e. Change into vapour.A．dacbeB．becdaC．caebdD．bceda【小题2】The groundwater seems to .A．be just on the groundB．be pure water like that in a lake or riverC．exist in rocks and sandD．flow along like rivers or streams【小题3】What conclusion（结论） can we draw from the passage?A．Groundwater can be quickly replaced by other water once pumped out. B．Groundwater is very valuable.C．Groundwater has nothing to do with human beings. D．Groundwater travel in an unknown way.B

(答案→)B 解析：文章介绍地下水的循环过程，以及这个过程是多么的缓慢，说明地下水是很宝贵的。【小题1】排序题：从文章第一段的句子：The sun heats up lakes, oceans, and other wet places on Earth. When the water gets warm enough, it changes into vapour. Plants also give off lots of water vapour. Some of this water vapour cools off high in the sky and becomes clouds. Then it falls back to Earth in a new place as rain or snow. This cycle happens over and over again.可知答案是B【小题2】细节题：从第二段的句子：The groundwater is mixed in with the rocks and sand that lie in layers(层) below Earth’s surface.可知地下水是存在在岩石和沙子下面，选C【小题3】推理题：从最后一段的句子：it may take hundreds of years for another water to take its place.地下水要上百年才能再恢复，说明地下水是很宝贵的。选B

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