問題詳情

(二) Tourism may destroy natural wonders. The Galapagos Islands are 21__________being destroyed by too many visitors. 22__________ by Charles Darwin, the islands onceinspired Darwin’s theory of evolution because of its unique species, such as gianttortoises, marine iguanas, and penguins that lived on warm beaches. However, touristindustry has brought problems to the already 23__________ environment. The growingnumbers of cars have killed thousands of the large clumsy seabirds that inhabit theislands. The increase in people and products creates garbage that litters the onceperfect beaches. Visitors also brought animals that were not 24__________ to the islands,like goats that compete with the tortoises for food, dogs that kill the iguanas, and catsthat prey on the songbirds. The islands were once covered in amazing and exoticspecies, but tourism is now prospering and 25__________ the beautiful creatures. TheGalapagos Islands are one of the most unique destinations in the world. Visitors mustmake a change and preserve that beauty for the future.
21.
(A) at risk of
(B) in excess of
(C) on account of
(D) in advance of

參考答案

答案：A
難度：適中0.652174
統計：A(45),B(5),C(9),D(5),E(0)

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