1. Discuss whether you believe tourism has a negative impact on the environment. 2. You can mention specific examples or general observations about how tourism can lead to environmental degradation, such as pollution, habitat destruction, etc.

1. 讨论您是否认为旅游对环境有负面影响。 2. 您可以提到具体例子或一般观察，说明旅游如何导致环境恶化，比如污染、栖息地破坏等。