题目:Which of the following does NOT belong to sensitive areas in tourism industry whose tourism activities should be limited or constrained?
A. polar or high mountain regions
B. tropical forests
C. wetland
D. rivers and oceans
答案:评论后可见此内容
推荐使用我们的公众号搜索题目,题目更全,检索更方便。支持语音、图片、文字等多种搜索方式。