Câu hỏi:

Environmental Concerns

Earth is the only place we know of in the universe that can support human life. (1) _____ human activities are making the planet less fit to live on. As the western world (2) _____ on consuming two-thirds of the world's resources while half of the world's population do so just to stay alive we are rapidly destroying the lonely resource we have by which all people can survive and prosper. Everywhere fertile soil is (3) _____ built on or washed into the sea. Renewable resources are exploited so much that they will never be able to recover (4) _____. We discharge pollutants into the atmosphere without any thought of the consequences. As a result the planet's ability to support people is being reduced at the very time when rising human numbers and consumption are (5) _____ increasingly heavy demands on it.

Câu 1: ________