IV. 阅读了解阅读下列短文,并做短文后的题目。从四个选项中,选出能回答所提问题或完成所给句子的最佳答案。Lewis and his party were travelling in the Wild West. The Native Americans at several places had told them about a kind of bears, which weighed about 600 pounds. The local people would only attack these great bears if there were six to ten people in their hu ... [查看原文]