Câu 26: Contamination is threatening the park and many species of animals living in it.
A. distribution B. pollution
C. elimination D. population
Câu 27: The society was set up to preserve endangered species from extinction.
A. found B. established
C. distinguished D. prevented
Câu 28: People in this region cultivate mainly rice and vegetables.
A. destroy B. develop C. grow D. support