vices和entertainment的定语。Р20.【答案】DР【解析】information后面接介词about,表示关于Р5.РFire can help people in many ways. Fire can heat water, (1)____ your house, give light and cook food. But fire can burn things too. Nobody knows (2)____ people began to use fire. One story from Australia tells about a man a very long time ago. He (3)____ the sun by a rope and brought fire down. Р Today people know how to (4)____ a fire with matches. Children sometimes like to play with them. But matches can be very (5)____. Р Fire kills people every year. So you must be careful (6)____ matches. You should also learn to (7)____ fires. Fires need oxygen. Without oxygen they die. There is (8)____ in the air. Cover a fire with water, sand, or (9)____, with your coat or a blanket. This keeps the air from a fire and kills it.
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