旅游资源的特点有()
A. 多样性
B. 垄断性
C. 区域性
D. 可创新性
旅游发展对当地的积极影响有()
A. 拉动经济发展
B. 增加政府税收
C. 促进传统文化的保护与发展
D. 提高环保意识
[音频]1. Michael thinks we should save water because _______.
A. we are running short of it
B. water is the most important resource
C. water is heavily polluted
2. Michael thinks we can save water by _______.
A. stopping water pollution
B. controlling water supply
C. using less water