题目内容：

    Thousands of years ago, humans didn’t live in towns. Sometimes they would live in caves(山洞) or build camps in the forest.

Only about thirty people ___ in each camp. The men would go hunting while the women and children ___ food from the trees around the camp. All the food was ___ by 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 ___. 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___ than in the old days. There are fewer ___, but there is less excitement. Some people go ___ for excitement—sailing round the world, climbing mountains, or exploring(探测) caves. Most people look forward to the _____, a time when they can enjoy a change from their normal life. For some this means going camping. But camping today is ___ from camping in the past. Gas cookers, ready-made food and air-beds mean people can camp much more ____than they did in the old times.

1.A. lived B. talked C. came D. danced

2.A. planted B. collected C. watched D. bought

3.A. found B. used C. shared D. sold

4.A. polite B. kind C. careful D. clever

5.A. worse B. faster C. easier D. harder

6.A. dangers B. stories C. people D. animals

7.A. waiting B. looking C. asking D. finding

8.A. dreams B. gifts C. meals D. holidays

9.A. away B. different C. free D. far

10.A. slowly B. terribly C. comfortably D. hopefully