（16）We must begin now to protect our only earth.
（17）Almost everything we use daily comes from the land directly or indirectly. （18）But the limited land is decreasing at a surprising speed.
（19）The nature has given us so much, but looks at what we have done in return for its generosity.
（20）The ozone layer is our natural shield in the sky, but this shield is in great danger due to human activities. To protect the ozone layer is to protect us. （21）Depleting the ozone layer allows more UV-B to reach the earth, which means more skin cancers, more eye cataracts（白内障），weakened immune systems, and reduced plant yield.
（22）The nature has been irritated, which results in the shortage of valuable resources, air pollution, countless acres of lands becoming deserts, etc. （23）Fortunately, many countries have got to know the seriousness of the problem and take active measures to preserve the environment.
（24）We sincerely hope that all the people in the world will take part in the campaign and join hands to protect the nature.
（25）Besides, trees and lawns in our cities will in the long run help improve the local climate.
（26）The government should also spend more money on the preservation of current lawns and cultivation of new lawns.
（27）Chinese government has taken strict measures to stop careless and indiscriminate felling of trees.
（28）Therefore, governments are playing the most important role in environmental protection today.
（29）The government should let people full realize the importance of environmental protection through education.
（30）Cars should be equipped with special devices to reduce auto emission. （31）Farmers can utilize modern biological techniques instead of chemical fertilizers to grow crops.
（32）Desert can be turned into cultivated land by a certain kind of shrub. （33）Recycling of paper, steel and plastics is important for helping protect our environment.
（34）The city was beautified on a tremendous scale.
（35）Energy crisis will threaten our existence because of the people’s extravagance and the rapid growth of he population.
（36）It is imperative that we investigate and develop new sources of energy immediately.
（37）With the expansion of industrialization, requirement for energy all over the world is on the rise.
（38）We have a great need for energy because of the rapid growth of our economy.
（39）These rich energy resources are being used up rapidly.
（40）To avoid energy crisis in the future, we should take some actions. （41）The overuse of energy has influenced ecological balance.
（42）The development of modern life is placing and ever increasing demand for electricity.
（43）If there were no energy, our world would be in a state of confusion. （44）Protecting endangered species helps protect a healthy environment. Endangered species are nature’s early warning system for pollution and environmental degradation that may someday affect human health.（濒危物种是大自然的关于污染和环境恶化的早期警戒系统，污染和环境恶化有朝一日会影响人类的健康。）
（45）Protecting endangered species saves a part of nature for our children and grandchildren to enjoy.
（46）Protecting endangered species helps protect sustainable economies and a good quality of life. Endangered species of fish, wildlife and plants are of ecological, educational, historical, recreational and scientific value to the nations and their people.
（47）All of the living creatures, including humans, are part of a complex, delicately balanced network called the biosphere.
（48）No creature exists in isolation. The removal of a single species can set off a chain reaction affecting many others.
（49）It is estimated that about 12,000 Tibetan antelopes are killed each year. If this trend continues, this species will be extinct in two decades.
（50）A healthy environment for wildlife contributes to healthy environment for people, today and tomorrow. （二）社会生活问题 1．好词
（1）Population explosion/baby boom （2）Population census （3）Birth/death rate （4）Family planning （5）Suicide bombing （6）Dropout students （7）Eliminate illiteracy（消除文盲）
（8）Help those in distress and aid those in peril （danger）
（9）Poverty-stricken areas （10）Remote and mountain areas
（11）Shake off poverty and set out on a road to prosperity （12）Brain drain （13）Corruption phenomenon
（14）Offer and take bribes （15）Embezzle pubic funds （16）Counterfeit certificates （17）Counterfeit currency（假币）/ID card
（18）Credit card fraud （诈骗） （19）Fake commodities （20）Vending machine （21）Generation gap （22）Couch potato （23）Keep a concubine/mistress
（24）Casino/gambling （25）Go on a diet （26）Well-balanced meals
（27）Enjoy banquets using public funds （28）Bad construction projects （29）Suspend/discontinue a project
（30）Welfare-oriented public housing distribution system （31）High-rise apartment building
（32）Down payment (by monthly installments)
（33）Juvenile delinquency （少年犯罪） （34）Laid-off workers （35）Trial-period
（36）On-the-job training/professional training
（37）Reemployment project （38）U.N. Security Council （39）Government-funded personnel studying abroad （40）Racial/sex discrimination （41）Traffic jam/road congestion
（42）Drunk driving
（43）Violation of traffic regulations
（44）Hit-and-run accident （45）Rush/peak hour （46）Security personnel （47）Spokesman for news release
（48）Press conference （49）Globalization （50）Intellectual property right （51）Infringement on the patent（专利） right
（52）Bid for the Olympic Games （53）Sports lottery （54）Live broadcast （55）Frozen food （56）Preservation of cultural relics （57）Change from temporary to regular worker
（58）Body-building exercises （59）Bungee jumping （60）Permanent residence certificate （61）Euthanasia （62）Drug addition （63）AIDS disease （64）Campus violence （65）Child abuse （66）Kidnap/blackmail 2．佳句
（1）More and more people come to realize the importance of regular physical exercise.
（2）We must struggle against our own laziness and stay with our training, rain or shine.（风雨无阻）
（3）Maintaining our health is very important. No one should trifle with his health. （4）Physical exercise increases the appetite and favors digestion. It increases the circulation of the blood. Physical exercise can develop one’s self-confidence, judgment, and a strong will.
（5）Early to bed and early to rise, makes a man healthy, wealthy, and wise. (Benjamin Franklin)
（6）A sound mind is in a sound body.
（7）Taking part in sports and games will keep us fit and healthy.
（8）Proper sports activities help us strengthen our physical body and build our sense of competition and cooperation.
（9）Research shows that getting plenty of exercise makes heart beat faster and lung work harder, thus strengthening the heart and reducing the chance of heart attack, and helping to lower blood pressure.
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