【正文】 he environment are closely related. Man relies on the environment for water, food and shelter. A harmonious relationship between man and However, man and the environment have never been on such bad terms as they are now. As society develops, man’s transformation of nature has severely polluted his living environment. Deforestation leads to changes in rainfall patterns, causing devastating floods, droughts and sandstorms. The discharge of chemical pollutants endangers our health and the lives of other beings. And mass production has resulted in the shortage of irreplaceable natural resources such as coal and oil. If we take no immediate and effective steps to protect our environment, human beings may be the next species to bee extinct. We should do our best to protect our environment by planting more trees, taking care of wildlife, reducing industrial wastes, using renewable energy, and imposing heavy fines on environmentallyunfriendly activities, so as to preserve the environment for future generations.U21） mass 2）gambled 3）voluntary 4）hunted 5）classified 6）abolished 7）division 8）senseless 9）fashions 10）coordination 11）declarations 12）spanned 13） remended 14）moderately 15）slightest1） stands a chance 2）ruled out 3）worthy of 4）gone through 5）in the strict sense6） At a guess 7）earns a living 8）coincide with 9）gone in for 10）got their teeth into（1） enjoy （2）physical （3）pelled （4）necessity （5）support（6） mental （7）idealize t give us a definite answer because he had not received instructions from his pany. (1) realm (2) elemental (3) obtain (4) stubbornly (5) transferred (6) transformed (7) subdued (8) expansion (9) irreplaceable (10) extinct (11) dynamic (12) verge (13) moderate (14) ecological (15) rational 1. The village is so close to the border that the villagers live in constant fear of attacks from the enemy. 2. In only twenty years the country was transformed into an advanced industrial power. 3. This pany has evolved into one of the major chemical manufacturing bases in this region. 4. Given the current financial situation, it is inevitable that the US dollar will be further devalued. 5. The government39。t have done all that myself./ 1. The strikers protested to the police that they had no right to arrest them. 2. He promised that he would give us whatever assistance we needed. 3. He agreed (that) that was the best solution to the problem. 4. My sister admitted that it was she who had broken the glass. 5. He declared that he meant what he said and would never go back on his word. 6. The man insisted that we give an explanation of what had happened. 7. Mrs. Don39。science + fiction。motor + hotel。 breakfast + lunch 。 1. disaster 2. pelled 3. historical 4. disciplined 5. destruction 6. output 7. retreat 8. abandoned 9. trace 10. eternal 11. investment 12. transfer 13. justify 14. nonetheless 15. contributions 16. accelerate 17. threaten 1. show signs of 2. called upon 3. off limits 4. in fear of 5. slow down 6. cut down 7. from head to foot 8. e by 9. lost out 10. As yet 11. reside in smoke + fog。 web + log。medical + care 。 net + citizen 。 work + alcoholic Anthropology: the scientific study of the human race, especially of its origins, development, customs and beliefsArchaeology: the study of the buried remains of the ancient times, such as ho