题目

Fire can help people in many ways. But it can be very dangerous. Fire can heat water, warm houses, give light and cook food. But fire can burn (燃烧) things, too. It can burn trees, houses, animals or people. Sometimes a big fire can burn forests.Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope(绳子) and brought fire down.Today people know how to make a fire with matches(火柴). Children sometim来自太阳辐射的能量，既不消耗燃料，又不污染环境的能源是 [　　] A．煤气和生物能B．水能和风能 C．地热和潮汐能D．太阳能和核能