One reaction to all the concern about tropical deforestation is a blank stare that asks the question, "Since I don’t live in the tropics, what does it have to do with me" The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruit and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests. Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest the size of ten city blocks vanishes. As many as five million species of plants, animals and insects, 40 to 50 percent of all living things, live there, and are being irrevocably lost faster than they can be found and described. Their loss is incalculable.
Take medicine, for example. Fewer than one percent of tropical forest plants have been examined for their chemical compounds. Nonetheless, scientists have integrated
A. will continue relentlessly and cannot be prevented
B. may have critical consequences for tile survival of mankind
C. is not a really serious problem and reports have been widely exaggerated
D. is necessary for the economic development of non-industrialized countries
Passage 4 One reaction to all the concern about tropical deforestation is a blank stare that asks the question, "Since I don’t live in the tropics, what does it have to do with me" The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruit and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical’ forests. Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest the size of ten city blocks vanishes. As many as five million species of plants, animals and insects, 40 to 50 percent of all living things, live there, and are being irrevocably lost faster than they can be found and described. Their loss is incalculable. Take medicine, for example. Less than one perce A. Many different kinds of medicine come from tropical forests. B. Virtually all of the world’s rain forest has already been destroyed. C. Tropical forests are disappearing at an alarming rate. D. Tropical deforestation affects people in all parts of the globe. 我来回答: 提交
|