1) China‘s Most Famous Symbol in Need Of Help

　　Years ago， walking the Great Wall in the Beijing region was like no other experience in China. It was peaceful; there were no coke cans or mineral water bottles to spoil the view——it was quite simply the world‘ s most spectacular open air museum.

　　How things have changed! There are now cans and bottles， and sometimes much worse. While I used to spend most of recreational time climbing the Great Wall， I have found myself spending an increasing amount of time cleaning up the wall. In the last 18 months I have organized four Great Wall clean-up activities， mobilizing around 350 people to collect garbage. I ask myself， why is the Great Wall becoming such a dump?

　　Litter was not a problem at in the 1980s， because packagers of foods and drinks used traditional materials that were biodegradable or returnable. Now， as the market economy has expanded， consumption has boomed. In everyday life， plastic bottles， metal cans， foils and cellophane are widely used as disposable packaging materials. Increased mobility as the result of mushrooming private car ownership has also fueled the widespread use and abuse of disposable packaging.

　　Viewing this serpent of stone snaking across the mountains north 0f Beijing， I know that the Great Wall is the No 1 wonder of the world， a precious and unique cultural relic， a fragile wilderness. The Great Wall is in danger of becoming just a symbol， despoiled in reality. I hope that more people can start to show their love for the Great Wall in action.

　　2) Wealth and Happiness

　　Wealth has always been what some people long for. It is true that most of them try to acquire wealth by means of honest labor. Their efforts contribute to the welfare of the society and at the same time to the accumulation of their wealth， and hence to their happiness.

　　There is no doubt that wealth brings happiness， especially in the modern society. Various kinds of up-to-date household appliances， latest fashions and recreations make their appearance with each passing day. All this makes our life more comfortable and colorful. Therefore， without money we cannot turn admiration into reality.

　　But there are exceptions when wealth does not go hand in hand with happiness. Wealth may tempt weak-willed persons to be addicted to harmful habits， such as drug-taking and gambling， and result in their own ruin. Also， a person may lost his reason and go astray if he is entirely devoted to seeking wealth.

　　In my opinion， on no account can we identify wealth with happiness. I also believe that one should never rely only on wealth to achieve happiness.

　　3) The Fight Against Crime

　　Today the crime rate in some of our cities seems to be rising. Many citizens complain about the thefts and robberies which take place in their street blocks. Therefore， more and more people are appealing to the authorities to take strong measures to reduce the crime rate.

　　Faced with criminals， different people have different attitudes towards them. Some become so frightened that they tend to give up fighting or to turn a blind eve to the criminals. Others， however， are brave enough to fight the criminals even at the risk of their own lives. In their eyes， responsibility is the most important of all the values that hold honest people together Without it there can be no self-respect， no trust， no law-and， ultimately， no society. There is no doubt that they set a good example for all of us to follow.

　　As far as I am concerned， my suggestions are as follow. In the first place， every one of us should receive a law education. Secondly， criminals must be punished severely. Finally， it is urgent to set up a foundation to reward those who fight criminals. In this way we can stand up to any crime and smash it.

　　4) Challenges of Environmental Issues

　　Environmental protection has aroused great concern among people. In many cities， especially in big populous cities， environmental pollution has become really serious. For example， an urban population of 12 million and 1.4 minion vehicles in Beijing puts great pressure on resources and the environment， The underground water level in Beijing has continued to decrease in recent years due to excessive use. Coal burning， exhaust emissions from vehicles and factories also intensify the city‘s environmental problems. We have to pay the historical debts we owe to the environment because of early rapid economic development.

　　However， pollution control does not have to hinder economic development. In a sense， it is a stimulation to the economy because pollution controls motivate enterprises to aim for higher industrial standards and start a material and resource efficient production. The exhaust control on vehicles can be cited as an example. Some municipal governments require that the pollutant level in vehicle emissions be controlled to reduce air pollution. Unleaded gasoline has also been promoted during the past year. As a result， automobile and chemical factories have to enhance their production technology to meet the demand.

　　Now some municipal governments have also taken such measures to stop the pollution as replacing coal with natural gas， reducing dust and deforestation to improve the lives of residents. In Beijing， 30 per cent of fuel used in urban centers will come from natural gas. Low sulfur coal is replacing high sulfur coal for factories. Many small boilers and kitchen ranges in restaurants and dining halls have been replaced by gas ovens.

　　As we can see that the measures have been effectively combating pollution. The air sulfur dioxide density has been on the decline since this year， and the density of total suspended particles and carbon monoxide bas been kept on the same level as last year. Though the density of nitrogen oxides continues to increase because of the rising of the number of automobiles， the degree of growth has been reduced.

　　Despite the progress some big cities have achieved in improving the local environment， we believe that big city planners should adopt a comprehensive environmental policy， which is more important than the detailed measures and achievement.

　　5) Opportunities don‘t come often. They come every once in a while. Very often， They come quietly and go by without being noticed. Therefore， it is advisable that you should value and treat them with care.

　　When an opportunity comes， it brings a promise but never realizes it on its own. If you want to achieve something or intend to fulfill one of your ambitions， you must work hard， make efforts and get prepared. Otherwise， you will take no advantage of opportunities when they come to visit you.

　　The difference between a man who succeeds and one who does not lies only in the way each treats opportunities. The successful person always makes adequate preparations to meet opportunities as they duly arrive. The unsuccessful person， on the other hand， works little and just waits to see them pass by.

　　In my opinion， there are plenty of opportunities for everyone in our society， but only those who are prepared adequately and qualified highly can make use of them to achieve their purpose.

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