【正文】 or a walk because there is a navy base there, which is off limits to tourists. Human brings live in the realm of nature. They are not only dwellers in nature, but also transformers of it. With the development of society and its economy, people tend to bee less dependent on nature directly, but indirectly their dependence grows. Human beings are connected with nature by blood ties. No one can live outside nature. However, the previous dynamic balance between man and nature has shown signs of breaking down. Problems such as the population explosion, ecological imbalance and the shortage of natural resources have bee major factors keeping human society from being further developed. Professor Spirkin holds that the only choice for human beings is the wise organization of production and care for Mother Nature. My Understanding of Environmental Protection Man and the 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 I did not go in for the Campus Tennis Championships held last month because of my injured leg.要是能得到大多數女生支持的話，你贏得選舉成為學生會主席的機會是很大的。I’m afraid that you’ll have to pete with at least fifty people for an administrative post in this pany.坦率的說，就算你對公司很忠誠，我覺得你得到提拔的機會也不大。All the way on the train I had been preoccupied with the result of the term examination until the conductor reminded me of the arrival of my destination .雖然車禍死亡名單中有她丈夫的名字，但她仍不停在屋內走來走去，急切地盼望他早點回到家里。From childhood , she tried to live by the teachings of her parents and gradually accumulated a set of standards of conduct .U71） Furnish 2）resolve 3）maintaining 4）discard 5）sanction 6）raise 7）strip8） bare 9）bargain 10）simplified 11）trade 12）downsize 13）numerous14） fraction 15）plain 16）thereby 17）rolling 1） keeps track of 2）it turned out that 3）strip down to 4）take an interest in5） in return 6）is all of a piece 7）for good 8）write out 9)eat out 10） look back 11）cut out（1） luxuries （2）f