(二) Tourism may destroy natural wonders. The Galapagos Islands are 21__________
being destroyed by too many visitors. 22__________ by Charles Darwin, the islands once
inspired Darwin’s theory of evolution because of its unique species, such as giant
tortoises, marine iguanas, and penguins that lived on warm beaches. However, tourist
industry has brought problems to the already 23__________ environment. The growing
numbers of cars have killed thousands of the large clumsy seabirds that inhabit the
islands. The increase in people and products creates garbage that litters the once
perfect 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 cats
that prey on the songbirds. The islands were once covered in amazing and exotic
species, but tourism is now prospering and 25__________ the beautiful creatures. The
Galapagos Islands are one of the most unique destinations in the world. Visitors must
make a change and preserve that beauty for the future.
【題組】25. (A) isolating (B) inspecting (C) endangering (D) shielding