1．We all know the sun is important．（61）CBut how does-the sun do that？It's the sun's energy（能量） that makes life on our planet possible．
Energy from the-sun is called solar energy．（62）DPeople have used solar energy for many years．They built houses with windows so that the sunlight could get inside and make them warm．
（63）AIt has something to do with solar panels （太阳能电池板）．Solar panels collect （收集） energy from sunlight to make electricity （电能）．
（64）ESolar panels cannot collect energy from sunlight．But it doesn't mean we can only use solar energy on bright sunny days．Solar panels can have batteries （电池） in them to keep electricity for a rainy day．We can use the kept electricity at night or on cloudy days．
（65）BSo we should try our best to find more good-ways to use it in our life．
根据材料内容将方框中A-E五个句子填入文中空缺处，使短文内容完整、正确．
A．We can also turn the sun's light into electricity．
B．The sun gives off more energy than people use now．
C．It gives sunshine to plants，animals and people on the earth．
D．Solar energy makes us feel hot when we sit in the sunlight．
E．But what happens when it is cloudy or rainy？ |
