B. WRITING
Ⅰ. Choose the word or phrase among A, B, C or D that best fits the blank space following passage
Attractive landscape sites, such as sandy beaches, lakes, riversides, and mountain tops and slopes, are often affected by mass tourism. Physical (31) ___________ are caused not only by clearing and construction of tourism-related land, but by continuing tourist activities and (32) ___________ changes in local economies and ecologies.
The development of tourism (33) ___________ such as accommodation, water supplies, can (34) ___________ sand mining, beach and sand dune erosion, soil erosion and extensive paving. (35) ___________, road and airport construction can lead to land degradation and loss of wildlife habitats and deterioration of scenery.