问题补充：
阅读短文，然后在下面的表格中完成内容提要，每空不超过3个单词。（共4个小题，每小题2分）
New Energy in the Twenty-first Century
Energy from the wind
Wind is a kind of clean energy, and there is lots of it, But, if there’s no wind, there is no wind energy.
Energy from the water
When water moves from a high place to a lower place, it can make electricity(电）without pollution. However, people have to build dams(水坝) to use this energy, and building dams is very expensive.
Energy from the earth
There is heat in the rocks under the earth. Scientists use the heat to make geothermal(地热的)energy. This kind of energy is cheap, but itis only possible in afew places in the world.
Energy from the sun
Solar panels (太阳电池板) on the roofs of houses can turn energy from the sun into electricity. Solar power is clean and plentiful(丰富的).but when the weather is bad, It doesn’t work.
New Energy in Twenty-first Century
Advantages
Disadvantages
Wind Energy
Clean .There is a lot.
It needs 【小题1】
Water Energy
【小题2】
It is expensive.
Geothermal Energy
【小题3】
only possible in afew places
Solar Energy
Clean and plentiful.
It depends too much on【小题4】
wind
答案：
(答案→)wind
解析：
1.wind 首先定位到Energy from the wind,从下面的if there’s no wind, there is no wind energy可以风能需要风,故填wind。
2.No pollution 此处讲水能的优点,从it can make electricity(电）without pollution可知没有受到污染,故可换成No pollution。
3.Cheap 此处讲地热能的优点,从This kind of energy is cheap可知它是便宜的,故用Cheap。
4.(fine) weather 细节题，根据when the weather is bad, It doesn’t work可知它取决于天气，故用weather。
阅读短文 然后在下面的表格中完成内容提要 每空不超过3个单词。（共4个小题 每小题2分）New Energy in the Twenty-first Century Energy
