5. A. worked　 　B. studied 　 C. learned 　　 　D. lived

4. A. over 　 　B. about 　 C. a little　 　　 D. no

3. A. many 　 　B. much 　　C. little　　 　 D. no

2. A. also 　 　B. too 　　 C. either 　 　 D. neither

1. A. warm　　 　B. warmer 　C. cool 　　 　D. cooler

10．A．full B．empty C．busy

KEY: 1．B 2．A 3．C 4．C 5．B 6．A 7．A 8．A 9．C 10．B

P

Fire can help people in many ways. But it can also be very harmful (有害的). Fire 　can keep your house __1__, give light and cook food. But fire can burn things __2__. Big fire can burn, trees, houses, animals or people. 　

　Nobody knows how people began to use fire. But there are __3__. interesting old stories about how a man or woman started a fire. One is __4__ a man. The man __5__ a very long time ago. He went up the sun and __6__ fire down. 　

　Today people know how to make a fire with matches(火柴). Children sometimes __7__ to play with them. But matches can be very dangerous. One match can burn a piece of paper. and __8__ it could burn a house. A small fire can turn a big fire. very quickly. So you __9__ be careful with matches. 　

　Be careful with fire, and it will __10__ you. But if you aren’t careful with fire. and it may hurt you. 　

9．A．all B．each C．both

8．A．know B．look C．listen

7．A．in B．on C．at

6．A．before B．while C．after