第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
Fire can help people in many ways, but it can also be very harmful (有害的). Fire can keep your house (16) , give light and cook food. But fire can burn things (17) . Big fire can burn trees, houses, animals or people.
Nobody knows how people began to use fire. But there are (18) interesting old stories about how a man or woman started a fire. One is (19) a man. The man (20) a very long time ago. He went up the sun and (21) fire down.
Today people know how to make a fire with matches (火柴). Children sometimes (22) to play with them. But matches can be very dangerous. One match can burn a piece of paper, and (23) it could burn a house. A small fire can turn into a big fire very quickly. So you (24) be careful with matches.
Be careful with fire, and it will (25) you. But if you aren't careful with fire, it may hurt you.
(1)

A. warm
B. warmer
C. cool