試題詳解

24.Which of the following is one evidence the author uses to support the growth of ecotourism?
(A) People are switching from sustainable traveling to ecotourism.
(B) Costa Rica’s rainforest is the most popular ecotourism spot.
(C) The global ecotourism market is expected to expand from 2021 to 2026.
(D) Experts caution about possible damages ecotourism brings to environment.