Questions 66-75: Read the text below and decide which answer A, B, C or D best fits each numbered blank and write your answers into the box below. (10 pts)

Environmental Concerns

Earth is the  only (66)                 we know of in the universe that can support human life. (67)                        human activities are making the planet less fit to live on. As the western world (68)                 on consuming two-thirds of the world's resources while half of the world's population do so (69)                to stay alive, we are rapidly destroying the very resource we have by which all people can survive and prosper. Everywhere fertile soil is (70)                 built on or washed into the sea. Renewable resources are exploited so much that they will never be able to recover completely. We discharge pollutants into the atmosphere without any thought of the consequences. As a (71)                the planet's ability to support people is being reduced at the very time when rising human numbers and consumption are (72)           increasingly heavy demands on it. The Earth's natural resources are there for us to use. We need food, water, air, energy, medicines, warmth, shelter and minerals to (73)                 us fed, comfortable, healthy and active. If we are sensible in how we use the resources they  will (74)                 indefinitely. But if we use them wastefully and excessively they will soon run (75)                and everyone will suffer.