請回答下列第46題至第50題 Thought to have been constructed since the 1930s, Perth Blue Boat House has been rebuilt and repaired on a number
of occasions and has had lots of uses. For decades, locals drove past this bright blue wooden house several times a day
without noticing. But recently, 46 its popularity on Instagram, the boathouse has become a well-known tourist
attraction. There has been a(n) 47 of visitors to this area, with tour buses and self-driven visitors stopping here for
pictures. Popularity, 48 , can come with problems. The closest public toilet is 1.5 miles away. Tourists go to a
nearby restaurant to use the toilets. The owner 49 that some had been rude, disruptive and even verbally
abusive. 50 this problem, Perth’s city council has decided to build its first solar-powered toilet. It will reportedly
cost US$278,000 to install and an additional $14,000 per year for maintenance.
【題組】47
(A) increase
(B) aversion
(C) division
(D) ratio