| 完形填空。 | ||||
| Thousands of years ago, human didn't live in towns. Sometimes they would live in caves or build camps (宿营地) in the forest. Only about thirty people 1 in each camp. The men would go hunting while the women and children 2 food from the trees around the camp. All the food was 3 between everyone in the group. Every few weeks they moved to another place to find more food. It was a simple life, but people had to be 4 They had to make everything that they needed, and they had to know a lot about plants and animals. Nowadays most people live in towns and cities, and they work in offices and factories. Life is 5 than in the old days. There are fewer 6 , but there is less excitement. Some people go 7 excitement-sailing round the world, climbing mountains, or exploring caves. Most people look forward to the 8 , a time when they can enjoy a change from their normal life. For some this means going camping. But camping today is 9 from camping in the past. Gas cookers, ready-made food and air-beds mean people can camp much more 10 than they did in the old times. | ||||
|