An 800-word model essay on high school politics.
Title: Present situation of human water resources
Water is the basic condition for the reproduction and survival of human beings and other creatures, an irreplaceable important resource for people's lives, the most active and influential factor in the ecological environment, and an important resource for industrial and agricultural production, with unique performance and multiple use functions that many other resources do not have. In industrial production, water has a series of functions such as cooling, processing, boiling, power generation and transportation. Agricultural water accounts for 73% of global water consumption, mainly referring to irrigation water.
There are 654.38+0.39 billion cubic meters in the world, of which 97.3% is salt water. 69% of fresh water exists in the form of ice and snow, or it is as difficult to develop and utilize as ice cubes concentrated in the mountains of the North and South Poles. Only a small amount of water is available for people to use, which has direct economic benefits. Although the amount of water is balanced in a certain time, it is very limited in a certain space. At present, water will become a serious social crisis all over the world. Water resources have become a very scarce resource for the sustainable development of a country and region. At present, two-thirds of the countries in the world have reflected the water crisis to varying degrees.
China is a country with very short water resources, and the per capita water resources only account for 1/4 of the world average. Although the total amount of water resources in China is about 2.8 trillion cubic meters, the regional distribution is very uneven, with 80% distributed in the south, while the cultivated land in the south only accounts for about 1/3 of the total cultivated land area in China. The water and soil resources are not matched, and the ecological environment is relatively fragile. China is a vast country with a great span from north to south. The difficulty of long-distance water transfer can be imagined. Therefore, the total amount of available water resources is not very large. China has a per capita water resource of 2,300 cubic meters, and the peak population will reach 654.38+0.6 billion by 2030, with a per capita water resource of 654.38+0.700 cubic meters. Will be close to or reach the world-recognized warning line for water use. The shortage of water resources will increasingly become a serious constraint on the economic and social development of China. The average annual cultivated land area affected by drought in China is about 400 million mu. In normal years, irrigation areas lack 30 billion cubic meters of water every year, and cities lack 6 billion cubic meters of water. The total annual discharge of wastewater in China is nearly 60 billion tons, of which 80% is directly discharged into Shuicheng without treatment. Among more than 700 important rivers surveyed and evaluated in China, nearly 50% reach 90%.
As a result of the imbalance between supply and demand, firstly, the national economy water squeezes the ecological environment water, and secondly, the urban and industrial water squeezes the agricultural water. Excessive discharge of sewage in the southern water network area causes water pollution; A large amount of ecological water is squeezed out in the arid area of northwest China, and the trend of desertification is spreading; The development and utilization of water resources in hilly areas of southwest China is arduous, and the carrying capacity of water resources and ecological environment capacity are obviously insufficient.
800-word model essay on senior high school politics II
Most people in China do not consider themselves taxpayers, especially students who have no financial resources. Food and use depend on my parents. Besides the bicycle tax of a few dollars a year, what other taxes do you have to pay? It is difficult to tax the lucky money of 1000 yuan at the beginning of each year. He will definitely say that the "obligation" to pay taxes has nothing to do with me. I also held this view at the beginning. Who is the taxpayer? In recent years, more and more people have seen the view that "I am a taxpayer" and "You should serve me because taxpayers' money supports you". However, some newspapers published articles expressing the opposite view that "we generally do not meet the standard of paying individual income tax, not taxpayers" and "the main body of tax payment is enterprises, and serving taxpayers means serving taxpayers." This also confuses me. "Serving taxpayers" only serves a few "rich people"? Isn't that too small? During the Spring Festival this year, one thing reminded me that we are taxpayers.
Before the Spring Festival, the Flower Street was filled with stalls selling festive supplies. Many students on holiday opened a booth for my sister's classmates and invited me and my sister to help. After a stall, there came a person who wanted money, said to be from the management department, and each stall received 5 O yuan. He explained: What percentage of the land rent collected by 50 yuan belongs to the local tax? Afterwards, I learned from my sister that the prices of flowers and gadgets we sold were relatively low at the time of wholesale. After several intermediate links, it becomes the current sales price, such as sales expenses, retail tax, local tax and labor. In other words, the selling price contains some tax elements more or less, and consumers who buy these things pay taxes indirectly. In other words, consumers and business operators are directly or indirectly related to tax payment. After talking for a long time, it turns out that most people are taxpayers. You are, I am, and so is he. Taxpayers have rights and obligations, and people's understanding process always goes from "not knowing to knowing, and then to a deeper understanding." After studying, I further understand that everyone is closely related to taxation. Everyone comes together to deal with taxes in the morning, and food, clothing, housing and transportation are inseparable from taxes. Your school, your favorite radio station and TV station, from the funds of state organs to the relief funds received by the unemployed, all come from financial expenditure, and taxes are the main part of fiscal revenue, accounting for more than 90% of fiscal revenue, so most of these funds come from taxes. We enjoy taxes every day, Hui Ze. The purchase of goods or services by the masses is related to tax payment. Because China implements the pricing method of combining price and tax in retail, consumers don't realize that they are taxpayers. In fact, the tax included in commodity circulation accounts for more than 60% of China's tax revenue. Consumers are the most important taxpayers in the country. As taxpayers, we have the rights of taxpayers. From a selfish point of view, the taxes we pay include our blood and sweat. Since we have paid, we hope to benefit, and we can't let those incompetent people spend our hard-earned money in vain. Rights and obligations are unified. Since you have rights, you should also have obligations.
Personally, I think that maybe we pay only a little turnover tax now, but when we earn a lot of money one day, will you pay personal income tax gloriously? If I have such a day, I will pay taxes voluntarily. What about you? Would you? It is said that people in economically developed countries are proud of paying taxes and ashamed of not paying taxes. What about our country? What do domestic enterprises and individuals think of tax evasion?
The fruit grower said:? The secretary gave me 300 yuan, but I can't accept it. I promised to send apples. If I take the money, won't I become a businessman? . Several details can be seen from this little incident. First, farmers in China are honest, so should farmers in China. China needs more honest farmers. Second, as Han Feizi said in his book, the abolition of agricultural tax in China is beneficial to the people before the Wei Dynasty is rich. This shows that the central government now needs to unite the people. Maybe this is a need, maybe this is a political means, but there is no denying that this is an improvement. Third, I met a farmer. I didn't tell him before the interview, because I was afraid that the fruit farmers wouldn't sleep well at night. I bought apples for 300 yuan, a fruit farmer. So careful, it seems that it has returned to the era of Zhou.
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