Effects of the Environment on the Properties of Seyfert Galaxies

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2020年大学英语六级作文预测：环境保护

2020年大学英语六级作文预测：环境保护应用文：环境保护To Whom It May Concern,I am writing to express my opinion about the current policy on the Golden Week holiday. As you might know, some believe it is a good idea to enjoy a week-long break. For one thing, it provides enough time for people to refresh their minds and thus to have better preparations for their future work. For another, it will lead to increased tourism and in turn stimulate the development of the local economy.Truly, the past decade has witnessed many advantages of the Golden Week holiday, but we should never ignore its disadvantages. On the one hand, it may lead to heavy traffic in that a large number of tourists go on traveling during the same Period. On the other hand, some tourists, with no awareness of environmental protection, often drop litter at random so that the scenic spots are polluted and thus it demands a tremendous sum of money to eliminate the pollution.Considering the current grim situation, it is necessary that the authorities concerned should take immediate measures to eliminate these disadvantages. Only through these efforts can we relieve the traffic pressure and at the same time raise people’s awareness of environmental protection.Yours sincerely,Li Ming。

《The Effects of Pollution on the Environment》高考优秀英

《The Effects of Pollution on the Environment》高考优秀英语作文The effects of pollution on the environment are catastrophic. Pollutants from industrial activities, motor vehicles and farming have wreaked havoc on the planet, devastating habitats and poisoning the air, soil and water.The most obvious environmental hazard is air pollution, which produces smog and dangerous particulate matter that can cause or exacerbate asthma and heart disease in humans. Water pollution is also an increasing problem, caused by an unsustainable demand for fresh water, agricultural runoff and the leakage of hazardous chemicals into rivers and oceans. Soil pollution has dire consequences too, releasing compounds like arsenic and lead into the food chain.Climate change is one of the most serious consequences of pollution, with its impacts being felt globally with increasing frequency and intensity. Rising global temperatures have already caused shifts in growing seasons and migration patterns, as well as ocean acidification and the melting of glaciers.Pollution can also be a major factor in species extinction, as it reduces the quality of habitats and interferes with the ability of species to reproduce. Many creatures, from fish to birds, suffer from the effects of human-made pollutants.To minimize the harm we do to the environment, it is essential that people reduce, reuse and recycle wherever possible. In addition, governments must invest in green energy sources, such as solarand wind, and create tougher regulations concerning the disposal of hazardous materials. If the right steps are taken, then the impacts of pollution can eventually be minimized and the environment safeguarded for future generations.。

环境保护英文考研作文

环境保护英文考研作文英文：As an individual, I strongly believe that environmental protection is a crucial issue that needs immediate attention. The Earth is our home, and it is ourresponsibility to take care of it. However, environmental problems such as pollution, deforestation, and climate change are still occurring at an alarming rate. Therefore,it is essential to raise awareness and take action toprotect our environment.One way to raise awareness is through education. Weneed to teach people about the importance of environmental protection and how their actions can impact the environment. For example, we can educate people on the harmful effectsof plastic pollution and encourage them to use reusablebags and containers. We can also teach people about the benefits of composting and recycling.Another way to protect the environment is through individual actions. We can make small changes in our daily lives that can have a big impact. For instance, we can conserve water by taking shorter showers and turning off the tap while brushing our teeth. We can also reduce our carbon footprint by using public transportation or walking instead of driving.In addition, governments and businesses have a significant role to play in environmental protection. Governments can implement policies and regulations to reduce pollution and promote sustainable practices. Businesses can also adopt eco-friendly practices and invest in renewable energy sources.In conclusion, environmental protection is a collective responsibility that requires action from individuals, governments, and businesses. By raising awareness, taking individual actions, and implementing policies and regulations, we can protect our environment for future generations.中文：作为一个个人，我坚信环境保护是一个需要立即关注的关键问题。

2020年英语六级作文预测：环境保护

2020年英语六级作文预测：环境保护应用文：环境保护To Whom It May Concern,I am writing to express my opinion about the current policy on the Golden Week holiday. As you might know, some believe it is a good idea to enjoy a week-long break. For one thing, it provides enough time for people to refresh theirminds and thus to have better preparations for their future work. For another, it will lead to increased tourism and inturn stimulate the development of the local economy.Truly, the past decade has witnessed many advantages of the Golden Week holiday, but we should never ignore its disadvantages. On the one hand, it may lead to heavy trafficin that a large number of tourists go on traveling during the same Period. On the other hand, some tourists, with no awareness of environmental protection, often drop litter at random so that the scenic spots are polluted and thus it demands a tremendous sum of money to eliminate the pollution.Considering the current grim situation, it is necessarythat the authorities concerned should take immediate measures to eliminate these disadvantages. Only through these efforts can we relieve the traffic pressure and at the same timeraise people’s awareness of environmental protection.Yours sincerely,Li Ming。

《The Effects of Pollution》高考优秀英语作文

《The Effects of Pollution》高考优秀英语作文The effects of pollution are far-reaching and devastating. Pollution is the introduction of harmful pollutants and contaminants into the environment, and its effects can be felt all over the world. Some of the most common effects of pollution include climate change, destruction of ecosystems, destruction of habitats for numerous species, and health problems for people exposed to polluted air or water.Climate change caused by pollution has had a significant impact on weather patterns and ocean levels across the world. The burning of fossil fuels releases large amounts of carbon dioxide and other greenhouse gases into the atmosphere. These gases trap heat and contribute to global warming, which changes weather patterns, triggers extreme weather events, and causes sea levels to rise.The destruction of ecosystems is another consequence of pollution. Excessive amounts of nitrogen and phosphorus in water run-off can lead to hypoxia, or oxygen depletion, in rivers and coasts. This can create “dead zones” where fish and other organisms can’t survive. Pesticides, industrial chemicals, and sewage have also caused disruption in the natural balance of ecosystems and caused mass die-offs of wildlife.Pollution has also caused destruction of habitats for many species of animals. Habitat destruction from pollution arises from runoff from chemicals and other pollutants into rivers, lakes, and oceans as well as deforestation. This has caused a decrease in the number of species of birds, mammals, reptiles, and other animals, making them more vulnerable to extinction.Finally, polluted air and water can lead to negative health effects, especially for children and those with existing respiratory illnesses. Air pollution can cause respiratory infections, asthma, bronchitis, and cardiovascular diseases, while polluted water can lead to gastrointestinal illnesses and reproductive issues. It is important that both individuals and society at large take steps to reduce pollution to protect the environment and human health.。

环保英语公开课PPT

02 Basic English knowledge
Basic English Grammar
Simple present tense
Simple future tense
used to express an action that occurs regularly or is always true
The importance of environmental protection lies in the fact that the natural environment provides essential resources and services that are critical for human survival and well being By protecting the environment, we ensure the sustainability of these resources and services, which is necessary for our economic, social, and cultural development
English daily conversations
Greeting and introducing yourself: "Hello, my name is [Your Name]. It's nice to meet you."
Asking for information: "Where is the nearest recycling center?"
02
03
Wildlife
animals and plants that live in natural environments

The effects of climate change on the environment

The effects of climate change on the environment are becoming increasingly apparent and are causing significant damage to the natural world. Climate change refers to the long-term change in temperature, precipitation, and other atmospheric conditions, which is primarily attributed to human activities such as the burning of fossil fuels and deforestation.One of the most evident effects of climate change on the environment is the rise in global temperatures. As the Earth's average temperature increases, it leads to the melting of glaciers and ice caps, which in turn contributes to rising sea levels. This poses a significant threat to coastal communities and ecosystems, as it can result in flooding and the erosion of shorelines. In addition, the increase in temperature also affects weather patterns, resulting in more frequent and severe storms, droughts, and heatwaves, which can have devastating effects on both human and natural communities.Another significant effect of climate change is the alteration of ecosystems and habitats. Many plant and animal species are being forced to adapt to changing conditions or face extinction. This has a cascading effect on food webs and can lead to the loss of biodiversity. Additionally, the warming of the oceans is causing coral bleaching and the disruption of marine ecosystems, which impacts the livelihoods of millions of people who depend on the ocean for food and income.The increase in carbon dioxide levels in the atmosphere is also leading to ocean acidification, as the oceans absorb a significant portion of the carbondioxide emitted by human activities. This acidification has detrimental effects on marine life, particularly on shell-forming organisms such as corals, mollusks, and plankton, which rely on calcium carbonate to build their protective shells and skeletons. The loss of these organisms can have far-reaching consequences for the entire marine ecosystem.Furthermore, climate change is exacerbating the occurrence and intensity of wildfires in many parts of the world. Warmer temperatures and changing precipitation patterns create drier conditions, which are more conducive to the ignition and spread of wildfires. These fires not only destroy forests and other natural habitats but also release large amounts of carbon dioxide into the atmosphere, further contributing to climate change.The effects of climate change are not limited to land-based ecosystems and oceans; they also impact freshwater systems. Changes in precipitation patterns and temperatures can lead to shifts in river flows and lake levels, affecting water availability and quality for both human consumption and the survival of aquatic species.In addition, climate change also has significant implications for agriculture and food security. Changes in temperature and precipitation patterns can impact crop yields, leading to food shortages and increased food prices. This can also have social and political implications, as competition for resources becomes more intense.Overall, the effects of climate change on the environment are undeniableand severe. They pose a threat to the natural world and have far-reaching implications for human societies. Addressing climate change and mitigating its effects is crucial for the preservation of the planet's ecosystems and the well-being of future generations. It requires a concerted effort from individuals, communities, and governments to reduce greenhouse gas emissions and adapt to the changing climate. Only through collective action can we hope to minimize the damage caused by climate change and create a sustainable future for all.。

剑桥第六单元作文英语

剑桥第六单元作文英语Cambridge Unit 6: The Environment。

The environment is a topic that has gained increasing attention in recent years, as people become more aware of the impact that human activities have on the planet. Inthis essay, we will explore the different aspects of the environment, including climate change, pollution, and conservation efforts.One of the most pressing issues facing the environment today is climate change. The Earth's climate is changing at an alarming rate, with temperatures rising and extreme weather events becoming more common. This is largely due to the burning of fossil fuels, which release greenhouse gases into the atmosphere and trap heat. The effects of climate change are already being felt around the world, with rising sea levels, melting ice caps, and more frequent and severe storms.Another major environmental issue is pollution.Pollution comes in many forms, including air pollution from car emissions and industrial processes, water pollutionfrom chemicals and waste, and land pollution from litterand deforestation. Pollution not only harms the environment, but also poses a serious threat to human health. It is important that we take steps to reduce pollution andprotect our planet for future generations.Conservation efforts are also crucial in protecting the environment. Conservation involves the sustainable use of natural resources and the protection of wildlife and habitats. This can include creating protected areas, suchas national parks and wildlife reserves, implementing laws and regulations to prevent overexploitation of resources, and promoting sustainable practices in agriculture and industry. Conservation efforts are essential in preserving the biodiversity of our planet and ensuring a healthy environment for all living things.In conclusion, the environment is a complex and interconnected system that is facing many challenges.Climate change, pollution, and habitat destruction are all threatening the health of our planet and the well-being of future generations. It is up to all of us to take action to protect the environment and ensure a sustainable future for all. By working together and making small changes in our daily lives, we can make a big difference in the health of our planet. Let's all do our part to protect the environment and create a better world for everyone.。

环境效应英语作文

环境效应英语作文Title: The Impact of Environmental Factors。

Introduction:Environmental factors play a crucial role in shaping various aspects of our lives, from our health and well-being to the economy and the ecosystem. In this essay, we will explore the diverse effects of environmental factors and their significance in our daily lives.Health Implications:One of the most significant impacts of environmental factors is on human health. Pollution, both air, and water, poses a grave threat to public health. Air pollution, caused by industrial emissions, vehicle exhaust, and burning of fossil fuels, contributes to respiratory diseases such as asthma and lung cancer. Similarly, contaminated water sources lead to waterborne diseases likecholera and dysentery. Additionally, exposure to environmental toxins like lead and mercury can have long-term adverse effects on neurological development,especially in children.Economic Consequences:Environmental factors also have far-reaching economic implications. Natural disasters such as hurricanes, floods, and wildfires can cause extensive damage to infrastructure, homes, and agricultural lands, leading to significant economic losses. Moreover, industries that rely on natural resources, such as agriculture, forestry, and fishing, are vulnerable to fluctuations in environmental conditions. Climate change, driven by human activities, poses a serious threat to global economies through its impact on agriculture, water resources, and infrastructure.Ecosystem Stability:The health of the environment directly affects the stability of ecosystems. Deforestation, habitat destruction,and pollution disrupt delicate ecological balances, leading to loss of biodiversity and ecosystem services. For instance, the decline of pollinator populations due to habitat loss and pesticide use threatens global food security by impacting crop pollination. Furthermore, disruptions in marine ecosystems, such as coral reef degradation and overfishing, jeopardize the livelihoods of millions of people who depend on marine resources for food and income.Social Equity:Environmental factors often exacerbate existing social inequalities. Vulnerable populations, such as low-income communities and indigenous peoples, are disproportionately affected by environmental degradation and pollution. They are more likely to live in areas with poor air quality, contaminated water sources, and inadequate access to healthcare services. Environmental justice movements advocate for equitable distribution of environmental benefits and burdens, aiming to address these disparities and ensure that all communities have a clean and healthyenvironment.Mitigation and Adaptation:Addressing environmental challenges requires both mitigation and adaptation strategies. Mitigation efforts focus on reducing greenhouse gas emissions, conserving natural resources, and transitioning to renewable energy sources to mitigate the impacts of climate change. Adaptation measures involve building resilience to environmental hazards through infrastructure improvements, disaster preparedness, and ecosystem restoration. Additionally, promoting sustainable practices such as recycling, conservation, and responsible consumption can help alleviate pressure on the environment and minimize negative impacts.Conclusion:In conclusion, environmental factors exert a profound influence on human health, economic prosperity, ecosystem stability, and social equity. Recognizing theinterconnectedness of environmental issues is essential for devising effective solutions to address these challenges. By taking collective action to protect and preserve our environment, we can create a healthier, more sustainable future for generations to come.。

Characteristics of Culture

QUESTIONS1. What are the characteristics of culture?Culture has a number of characteristics. It is: (1) prescriptive, (2) socially shared, (3) learned, (4) subjective, (5) enduring, (6) cumulative, and (7) dynamic. Furthermore, it facilitates communication.2. Explain the impact of culture on consumption.Consumption patterns are dictated by culture, and consumption habits vary greatly. Some Chinese do not understand how Americans can eat beef, believing that it is improper to eat cattle that work on farms. Americans, in contrast, do not understand how some Chinese and Koreans can eat dogs, the animal often treated as pets or family members in the United States. Interestingly, the Korean government, during the Olympics, banned such traditional delicacies as dog stew, snake soup, blood worm soup, and deer antlers for fear of offending foreigners who might label Koreans as barbaric. Therefore, not only does culture influence what is to be consumed, but it also affects what should not be purchased.3. What is the SRC (self-reference criterion)?The SRC explains how the individual tends to be bound by his or her own cultural assumptions. The individual thus observes foreign cultures by making reference back to personal cultural values. As a result, perception of overseas events can be distorted by the effects of the SRC.4. Distinguish between high-context and low-context cultures.In low-context cultures (e.g., the United States), messages are explicit and clear in the sense that actual words are used to convey the main part of information in communication. The words and their meanings, being independent entities, can be separated from the context in which they occur.In high-context cultures (e.g., Japan), the context of communication is high because, in addition to the verbal part, it includes a great deal of extra information, such as the message sender's values, position, background, and associations in the society. As such, the message cannot be understood without its context. One's individual environment (i.e., physical setting and social circumstances) determines what one says and how one is interpreted by others.5. Distinguish between monochronic and polychronic cultures.Monochronic cultures (e.g., the United States) handle information in a direct, linear fashion. Schedules, punctuality, and a sense that time forms a purposeful straight line are indicators of such cultures. In polychronic cultures (e.g., Japan), people work on several fronts simultaneously instead of pursuing a single task.6. Explain how the meanings of time, space, agreement/disagreement, and friendship can vary from one culture to another. Also discuss their business implications.Perceptions of time are culture bound. In the United States, there is a direct relationship between time and the importance of a matter. In some countries, a reverse relationship exists.Space has its own meaning and is relative. What is perceived as crowded in the United States may be perceived as spacious somewhere else.Culture dictates how an agreement or a disagreement is expressed and resolved. North Americans prefer a straightforward and explicit approach. Elsewhere, one must be careful in a disagreement never to make someone lose face.The development of friendship is also affected by culture. Americans have no difficulty in developing friendship in a very short time. Friendship is not developed as fast in other countries, but, when it is developed, it tends to be deeper and to be longer lasting.DISCUSSION ASSIGNMENTS AND MINICASES1. Which one of the following seems to better characterize the world: cultural commonality or cultural diversity?This question is similar to asking whether the glass is half-full or half-empty. The answer thus depends on one's perspective. Still, the world is perhaps much better characterized by cultural diversity. There is no useful purpose to study culture and international marketing if consumers were homogeneous.The lack of commonality is readily apparent. Countries have religious, philosophical, and environmental differences. Consumption and perceptual differences are everywhere. Conflicts arise because of the failure of nations to understand each other. It is thus a grave mistake to assume that everyone wants to be like us. Cultural commonality will exist only when there is but one language remaining worldwide.2. Because English is the world language of business, is it necessary for U.S. managers to learn a foreign language?English is a second language in most parts of the world because of the recognition of the importance of English as a business communication medium. Still American managers should learn a foreign language, especially that of a country with which they do a significant portion of business. Without the knowledge of a foreign language, American managers are at a disadvantage because their foreign counterparts can converse in two languages. Not only the knowledge of a foreign language makes an American manager aware of what his counterparts are saying to each other, but also he can make a good impression by showing interest in the othercountry's language and culture. Furthermore, the practice makes it more likely for American managers to understand the logic and thinking of their foreign customers or suppliers.3. Do you agree that the United States is a "melting pot"?The U.S. melting pot is a misconception because subcultural differences are everywhere. Being aware of these differences, U.S. firms segment the U.S. market based on region (e.g., South, West), race (e.g., white, black,), language (e.g., English, Spanish), occupation (e.g., professionals, truckdrivers), age (e.g., young, old), and so on. The idea is to appeal to consumers through their subcultures.4. As Hispanic consumers in the United States are also American consumers, is it necessary for marketers to adjust their marketing mix for this market segment?This question is highly related to the previous one. It is true that Hispanic consumers are American consumers. Equally true is the fact that they have their own identity, language, and preferences. Thus, it is necessary to adjust the marketing mix for this market segment. It should be noted that all segmentation criteria are met. This Hispanic segment is different, identifiable, accessible through selective advertising media, and sufficiently large. It should come as no surprise then that firms create advertisements just for this group.5. Explain how culture affects the ways people use eating utensils (e.g., fork, spoon, knife, chopsticks).Culture affects how people use eating utensils. In some cultures, people eat with their hands instead of using utensils. The Chinese and Japanese, of course, are well known for their chopsticks. Americans and Europeans use fork and knife to cut food on their dinner plates to bite-sized portions. Many other peoples have no need for a knife at the dinner table because meat has already been precut to small portions before cooking (e.g., Chinese foods). Asians are likely to use table spoons instead of knives, and they use spoons of varying shapes and sizes.The way Americans hold and use forks and knives differ from how these things are used in England, Scotland, Wales, and Ireland. People there eat with their forks upside down. Because the curved fork facilitates the lifting of food to the mouth, food is raked onto the fork with a knife. In addition, these Europeans do not set their knives down after cutting meat. They simply eat left handed since switching the fork from the left hand to the right hand is a wasted motion.6. Explain why people in several countries are upset when they see: (a) an advertisement showing an American crossing his legs at the reader or putting his legs on a table; and (b) Americans wearing shoes into their homes.In many cultures, feet are low and dirty. As a result, it is an insult to cross the legs, put the legs on a table, or use a leg to point at something.Americans wear shoes into their own houses, thinking that the floor is dirty. In most cultures, shoes--not the floor--are the ones which are dirty. Since the floor is swept and mopped every day, walking into someone's home with shoes on is a sign of ignorance and disrespect of someone's home.7. According to Edward T. Hall, a renowned anthropologist, American are more comfortable with Germans than with the Japanese because Germans generally make eye contact to indicate attention to a speaker. Still, the Americans feel that the Germans do not smile often enough. How do the Germans and Japanese regard the Americans' frequent smiles and eye contact?Americans smile frequently to show friendliness and make frequent eye contact to show interest and sincerity. But quick and frequent smiles may be taken as a sign of insincerity and an indication of suspicious motive. Germans regard smiling and casual touching as things for friend. Friendship cannot be developed alone by smiles. Also eye contact is a sign of aggression. In many countries, people get into a fight just by looking at each other.8. According to William Wells of the DDB Needham Worldwide advertising agency, American TV commercials are usually shown either as an illustrated lecture or as a drama in which a product is a prop (or a mixture of both techniques). Why is the lecture approach (a low-context technique) inappropriate for high-context cultures? Why is the drama approach (a high-context technique) appropriate for Japan? Note that Japanese commercials go to great lengths to present cues that are not product-related before devoting only a few seconds to the product itself at the end. To American advertisers, this advertising approach is ambiguous and puzzling.The lecture approach is inferior to the drama approach for such high-context cultures as Japan. In many parts of the world, peoples are very aware of their social classes and status. The social standings affect how the message is conveyed and interpreted. There is an emphasis on interpersonal relationships between communicators, nonverbal expression, physical setting, and social circumstances. The lecture alone is thus inadequate because it is not capable of carrying all the meanings. As a result, additional cues, although not necessarily product related, must be presented so that the audience will understand the target market of the product and the appeal of the product. The drama is therefore more effective in sending the additional message as related to the message sender's and the receiver's values, position, background, and social circumstances. For example, a print advertisement or commercial which shows a young girl kneeling while talking with another person implies that she is a servant--someone of lower status.The drama approach is high-context in the sense that the product is shown in its natural settings. As a result, there are opportunities to present contextual cues. An advertisement showing a luxury car by itself (or even the owner with it) is not capable of conveying the meaning of luxury unless such additional cues as a uniformed chauffeur are brought in. In high-The Japanese pay attention to nuances and tone (i.e., the music and scenery and how people act). These contextual cues are too subtle for those of the low-context cultures to understand because these cues do not get to the point. Although the day-after recall method is appropriate in measuring advertising effectiveness in low-context research, the attitude-change measurement is more appropriate for high-context advertising studies.Latin Americans? Why is it undesirable to use stereotyping as a basis to understand foreigners? Also identify the positive traits and values of the groups mentioned above.This discussion assignment is based on: Carol J. Fouke, “Sensitivity to Cultures Builds Foreign Markets,” Marketing News, 19 June 1989, 8-9.The stereotypes of Arabs include: terrorist, sheik, harem, revenge, and torture.The stereotypes of Asians include: geishas, being submissive, gangsters, Samurai, pigtailed “Chinamen,” snake-charmers, turbaned Indians, and enemy.The stereotypes of Africans include: pygmies, cannibals, and savages.The stereotypes of Latin Americans include: being dirty, being lazy, and the character inSome feel that stereotyping is a lazy way to learn about the others since it assumes that allneeded.This discussion assignment is a good way to get students to become culturally sensitiveMarketers should use values on which Arab cultures place a high value. These values include: hospitality, personal dignity, continuity, stability, and psychological and emotional strength.The traits valued by Asians include: sense of obligation and loyalty, strong work ethic, oneness with nature, modesty, harmony with others and with the universe, transcendence, and human dignity.In the case of Africans, they value: story-telling and the oral tradition, continuity, respect for elders, memory, oneness with nature, interdependence, community, cooperation, and harmony.The values emphasized by Latin Americans include: survivability under adversity, patience, interdependence, and cooperation.10. What are some of the unique characteristics of the U.S. culture? What are some of the unique business characteristics of the Japanese culture?American culture has several distinctive characteristics. It is: (1) materialistic, (2) individualistic, (3) achievement- oriented, (4) time-oriented, (5) youth-oriented, and (6) practical and efficient.Some general characteristics of the Japanese culture are: (1) permanent and irrevocable membership, (2) recruitment and selection based on personal qualities, (3) status acquired based on an extension of the person's status in the society, (4) compensation including nonmonetary benefits and based on broad social criteria, (5) corporate responsibilities extended to employees' nonbusiness activities, (6) job responsibility and authority not being well-defined, (7) decision-making style of risk minimization and confrontation avoidance, and (8) prevalent sexual discrimination.。

如何看待保护环境的重要英文作文

如何看待保护环境的重要英文作文The environment is the canvas upon which we paint our lives, and its preservation is not merely a duty but a necessity for the sustenance of our existence. It is the foundation upon which our health, economy, and society are built.Protecting the environment is akin to safeguarding our own well-being. The air we breathe, the water we drink, and the food we consume are all directly linked to the health of our ecosystems. Without a clean and thriving environment, these basic needs would be compromised.Education plays a pivotal role in instilling the importance of environmental conservation. By teaching the younger generation about the consequences of pollution and the benefits of sustainability, we empower them to become stewards of the Earth.Technology, too, is a powerful ally in our quest for environmental protection. Innovations in renewable energy, waste management, and sustainable practices can significantly reduce our ecological footprint and promote a greener future.However, it is not just the responsibility of individuals but also of governments and corporations to enact policies and practices that prioritize the environment. Through legislation, incentives, and corporate social responsibility,we can collectively work towards a more sustainable world.The time to act is now. The effects of climate change and environmental degradation are already being felt around the globe. It is imperative that we take immediate and decisive steps to mitigate these impacts and preserve our planet for future generations.In conclusion, the importance of protecting the environment transcends borders and generations. It is a collective endeavor that requires the commitment and action of every individual, community, and nation. Let us embrace our role as guardians of the Earth and work together to ensure a sustainable and prosperous future for all.。

英语高考作文环境类题目

In the realm of high school English examinations,environmental topics are frequently chosen for essay writing due to their relevance and the critical issues they address.Here are some key points and ideas that can be included when writing an essay on environmental issues for a high school English exam:1.Introduction to the Topic:Begin with a general statement about the importance of the environment. Introduce the specific environmental issue you will discuss.2.Current Environmental Challenges:Discuss the major environmental problems facing the world today,such as climate change,deforestation,pollution,and loss of biodiversity.Use data and statistics to support your points.3.Causes of Environmental Issues:Explain the human activities that contribute to these problems,such as industrialization, urbanization,and overconsumption.Discuss the role of technology and its impact on the environment.4.Effects on the Environment and Society:Describe the consequences of environmental degradation,including natural disasters, health issues,and economic impacts.Highlight the importance of a healthy environment for the wellbeing of both humans and wildlife.5.Individual and Collective Responsibility:Emphasize the role of individuals in making environmentally friendly choices,such as reducing waste,conserving energy,and supporting sustainable products.Discuss the importance of community and government initiatives to protect the environment.6.Solutions and Strategies:Propose practical solutions to the environmental issues discussed,such as recycling programs,renewable energy sources,and reforestation efforts.Discuss the role of education in raising awareness and promoting sustainable practices.7.International Cooperation:Highlight the need for global cooperation in addressing environmental challenges, citing examples of international agreements and organizations.8.Future Outlook:Offer a positive or cautionary outlook on the future of the environment,based on current trends and the potential for change.Encourage readers to take action and contribute to a more sustainable future.9.Conclusion:Summarize the main points of your essay.End with a call to action or a thoughtprovoking statement that leaves a lasting impression on the reader.e of Language and Style:Employ a formal and academic tone throughout the essay.Use a variety of sentence structures and vocabulary to keep the essay engaging and demonstrate your language proficiency.Remember to structure your essay with a clear introduction,body paragraphs that develop your arguments,and a conclusion that ties everything together.Additionally, ensure that your essay is wellorganized,coherent,and free from grammatical errors to achieve a high score in the English exam.。

《The Effects of Technology on the Environment》高考优秀

《The Effects of Technology on the Environment》高考优秀英语作文Technology plays a critical role in our everyday lives. We rely on technology to do almost everything from communicating with friends and family to researching information, organizing our work and entertainment. However, the use of technology can have a negative impact on the environment.One major impact of technology is the increase in pollution. With more cars, factories, and electronic devices being used, the amount of toxic fumes and emissions we’re producing has risen significantly since the Industrial Revolution. This leads to air, land and water pollution which hurts both human health and the environment as a whole.Technology can also lead to resource depletion. The minerals, metals and materials used to make technological devices are often not recycled or reused, leading to their extraction from the environment. This can be harmful to ecosystems, disrupt habitats and cause soil erosion.Finally, technology can also be damaging to wildlife. Light pollution from electronic devices, radio waves sent out by cellphones, and even noise pollution can disrupt the natural behavior of animals. Additionally, when animals come into contact with hazardous waste such as toxins or plastics, it can lead to improper nutrition, infections, or even death.It’s important to consider the potential environmental consequences of using technology, but there is a way to have apositive impact. We can start by developing eco-friendly technologies that don’t rely on non-renewable resources or emit toxic chemicals. Additionally, communities can invest in renewable energy sources such as solar, wind and hydro power, encouraging people to move away from using fossil fuels. By making these small changes, we can create a better future for the environment and all living things.。

英语六级话题作文

英语六级话题作文The Importance of Environmental Protection。

Environmental protection has become a global issue in recent years. With the rapid development of industry and technology, the environment has been seriously polluted. It has become a common concern for people all over the world. Environmental protection is of great significance to the sustainable development of human society.First of all, environmental protection is essential for human health. The pollution of air, water, and soil has caused many diseases, such as respiratory diseases, cardiovascular diseases, and cancer. People's health is closely related to the environment. Therefore, protecting the environment is protecting ourselves.Secondly, environmental protection is crucial for the survival of all living creatures. The destruction of the environment has led to the extinction of many species,which disrupts the balance of the ecosystem. If the environment continues to deteriorate, it will pose a great threat to the survival of human beings and other animals.Furthermore, environmental protection is important for sustainable development. The earth's resources are limited, and the environment has its carrying capacity. If we continue to exploit and pollute the environment, it will not be able to sustain the needs of future generations. Therefore, protecting the environment is to ensure the sustainable development of human society.In addition, environmental protection is closely related to economic development. The environment provides natural resources and ecological services for human production and life. If the environment is damaged, it will affect the development of the economy. On the other hand, environmental protection can also create new economic growth points, such as the development of environmental protection industry and the promotion of green technology.To protect the environment, everyone should takeactions. Governments should enact laws and regulations to protect the environment, and strengthen the supervision and punishment of environmental pollution. Enterprises should take social responsibility, and adopt advanced technology and production processes to reduce pollution. Individuals should develop a low-carbon and environmentally friendly lifestyle, and reduce the waste of resources.In conclusion, environmental protection is of great significance to human society. It is closely related to human health, the survival of all living creatures, sustainable development, and economic development. Weshould all take actions to protect the environment andbuild a beautiful home for ourselves and future generations.。

2018年6月英语四级作文

2018年6月英语四级作文参考范文：The Importance of Environmental Protection。

Environmental protection has become a major concern in today's world. With the rapid development of industry and technology, the environment is facing increasing pressure and challenges. It is therefore imperative that we take action to protect our environment and preserve it forfuture generations.First and foremost, environmental protection is crucial for the survival of all living organisms on the planet. The air we breathe, the water we drink, and the food we eat are all directly affected by the state of the environment. If we do not take steps to protect the environment, we will ultimately be harming ourselves.In addition, environmental protection is essential formaintaining the balance of ecosystems. Every living creature, from the smallest insect to the largest mammal, plays a role in the delicate balance of nature. When one species becomes extinct or the environment is polluted, it can have a ripple effect on the entire ecosystem, leading to further damage and destruction.Furthermore, environmental protection is important for the preservation of natural resources. Many of the resources we rely on for our daily lives, such as water, wood, and fossil fuels, are finite and can be depleted if not managed properly. By protecting the environment, we can ensure that these resources are available for future generations.Finally, environmental protection is crucial for combating climate change. The burning of fossil fuels and deforestation have led to an increase in greenhouse gases, which has resulted in global warming and extreme weather patterns. By taking steps to reduce our carbon footprint and protect natural habitats, we can help mitigate the effects of climate change and create a more sustainablefuture.In conclusion, environmental protection is of utmost importance for the health and well-being of both current and future generations. It is essential that we take action to protect our environment and preserve it for the future. By working together and making conscious choices in our daily lives, we can make a positive impact on the environment and create a more sustainable world for all.。

福清红树林英语作文

福清红树林英语作文Title: Exploring the Red Mangrove Forest in Fuqing。

The Red Mangrove Forest in Fuqing is a natural wonder that captivates visitors with its unique beauty and ecological significance. Nestled along the coastline, this thriving ecosystem offers a glimpse into the delicate balance of nature. As I ventured into this enchanting realm, I was greeted by a symphony of sights and sounds that awakened my senses.First and foremost, the towering mangrove trees cast a mesmerizing spell with their distinctive red prop roots reaching down into the brackish waters below. These roots serve as sturdy anchors for the trees and provide vital support for the intricate web of life that flourisheswithin the forest. As I traced the winding pathways, I marveled at how these resilient trees have adapted tothrive in the challenging conditions of the intertidal zone.The biodiversity within the Red Mangrove Forest istruly astounding. From colorful crabs scuttling across the muddy banks to elusive shorebirds darting through the canopy, every corner teems with life. One of the most fascinating inhabitants I encountered was the fiddler crab, with its oversized claw waving proudly in the air. These tiny crustaceans play a crucial role in aerating the soil and cycling nutrients, highlighting the interconnectedness of species within the ecosystem.Moreover, the mangrove forest serves as a vital nursery ground for numerous marine species, including fish and shrimp. The labyrinthine network of roots provides shelter and protection for juvenile marine life, allowing them to grow and thrive before venturing out into the open sea. This nurturing environment is essential for maintaining healthy fish stocks and supporting the livelihoods of local fishermen.Beyond its ecological importance, the Red Mangrove Forest also holds cultural significance for the people of Fuqing. For generations, residents have relied on thebounty of the mangroves for sustenance and livelihoods. Whether harvesting shellfish or collecting firewood, the mangrove forest has provided invaluable resources that have sustained communities for centuries. As I listened to the stories passed down through the ages, I gained a deeper appreciation for the symbiotic relationship between humans and nature.However, the Red Mangrove Forest faces numerous threats that endanger its delicate balance. Pollution, habitat destruction, and climate change pose significant challenges to the health of this ecosystem. As I witnessed firsthand the effects of human activity on the mangroves, I felt a renewed sense of urgency to protect and conserve this precious natural heritage for future generations.In conclusion, my journey into the Red Mangrove Forest in Fuqing was a transformative experience that deepened my understanding of the intricate complexities of nature. From the towering trees to the bustling inhabitants, every aspect of this ecosystem tells a story of resilience and interconnectedness. As stewards of the environment, it isour responsibility to safeguard these fragile ecosystems and ensure that they thrive for generations to come. Only through concerted efforts can we preserve the beauty and biodiversity of places like the Red Mangrove Forest for future generations to enjoy.。

The Effects of Pollution on Health

The Effects of Pollution on Health Pollution has become a major concern in today's world, with its detrimental effects on the environment and human health. The impact of pollution on health is a multifaceted issue that encompasses various aspects such as air pollution, water pollution, and soil contamination. This essay aims to delve into the effects of pollution on human health, shedding light on the different perspectives and the emotional toll it takes on individuals and communities. One of the most significant effects of pollution on health is its contribution to respiratory diseases. Air pollution, in particular, has been linked to the development and exacerbation of conditions such as asthma, chronic obstructive pulmonary disease (COPD), and lung cancer. The inhalation of pollutants such as particulate matter, nitrogen dioxide, and sulfur dioxide can cause inflammation of the airways and damage to the respiratory system, leading to a higher prevalence of respiratory illnesses in polluted areas. This not only impacts the physical health of individuals but also takes an emotional toll, as living with a chronic respiratory condition can be debilitating and distressing. In addition to respiratory diseases, pollution has been associated with cardiovascular problems. The inhalation of fine particulate matter, which can penetrate deep into the lungs and enter the bloodstream, has been linked to an increased risk of heart attacks, strokes, and other cardiovascular diseases. The presence of pollutants in the air can also lead to the narrowing of blood vessels and an increase in blood pressure, further contributing to cardiovascular issues. The emotional impact of these health problems should not be overlooked, as living with the fear of a potential heart attack or stroke can cause significant distress and anxiety. Furthermore, pollution has been found to have adverse effects on the nervous system and cognitive function. Studies have shown that exposure to air pollutants such as lead, mercury, and polychlorinated biphenyls (PCBs) can lead to neurological disorders and cognitive impairments, particularly in children. The emotional toll of witnessing the cognitive decline of a loved one, especially a child, can be devastating for families and communities. Additionally, the fear of developing such conditions due to environmental factors can cause significant stress and anxiety in individuals. Water pollution is another significant contributor to theadverse effects of pollution on health. Contaminants such as heavy metals, pesticides, and industrial chemicals can find their way into water sources, posing a threat to human health. Consumption of contaminated water can lead to a range of health issues, including gastrointestinal problems, reproductive disorders, and even cancer. The emotional distress caused by the fear of consuming unsafe water is a daily reality for many individuals living in areas with poor water quality. Moreover, pollution has a profound impact on mental health and well-being. The degradation of the environment due to pollution can lead to feelings of despair, hopelessness, and helplessness, particularly in communities that bear the brunt of environmental degradation. The loss of natural landscapes, wildlife, and clean air and water can have a profound emotional impact on individuals, leading to increased stress, anxiety, and depression. Additionally, the unequal distribution of pollution burdens, with marginalized communities often bearing the greatest environmental injustices, can lead to feelings of anger, frustration, and injustice. In conclusion, the effects of pollution on health are far-reaching and multifaceted, encompassing physical, emotional, and mental well-being. From respiratory and cardiovascular diseases to neurological disorders and emotional distress, pollution takes a significant toll on individuals and communities. It is imperative that we address the root causes of pollution and work towards creating a cleaner, healthier environment for all. Only then can we alleviate the emotional burden and improve the overall well-being of society.。

The Importance of Environmental Protection

The Importance of EnvironmentalProtectionEnvironmental protection is a topic of great importance in today's world, as the health of our planet is constantly being threatened by human activities. From deforestation to pollution, the negative impact of our actions on the environment is undeniable. In this essay, I will delve into the significance of environmental protection from various perspectives, emphasizing the need for immediate action to preserve our planet for future generations. From an ecological perspective, environmental protection is essential for maintaining a balance in the ecosystem. The interconnectedness of all living organisms means that any harm to the environment can have far-reaching consequences. For example, deforestation not only leads to the loss of habitats for countless species but also contributes to climate change through the reduction of carbon sinks. Similarly, water pollution can devastate aquatic ecosystems, leading to the decline of marine life. By protecting the environment, we are not only safeguarding the diversity of life on Earth but also ensuring the sustainability of natural resources for future generations. Furthermore, environmental protection goes hand in hand with human health. The quality of the air we breathe, the water we drink, and the food we consume is directly influenced by the state of the environment. For instance, air pollution from industrial emissions and vehicle exhausts has been linked to respiratory illnesses and cardiovascular diseases. Likewise, water contamination can result in a range of health issues, from gastrointestinal problems to chronic conditions. By prioritizing environmental protection, we are not only preserving the planet but also safeguarding human well-being. From an ethical standpoint, environmental protection is a matter of responsibility towards future generations. The actions we take today will determine the world that our children and grandchildren inherit. It is unjust to disregard the long-term consequences of our actions and leave behind a planet that is depleted and damaged. By taking proactive measures to protect the environment now, we are fulfilling our moral obligation to leave a habitable and thriving planet for the generations to come. Moreover, the economic significance of environmental protection cannot beoverlooked. While some may perceive environmental regulations as a hindrance to economic growth, the long-term benefits far outweigh the initial costs. Sustainable practices not only conserve resources and reduce waste but also create new economic opportunities. The development of renewable energy, for example, has the potential to generate jobs and stimulate innovation. Additionally, investing in green technologies and sustainable practices can lead to cost savings for businesses in the long run. Ultimately, environmental protection is not at odds with economic prosperity; rather, it is a catalyst for a more sustainable and resilient economy. In conclusion, the importance of environmental protection cannot be overstated. From ecological balance and human health to ethical responsibility and economic sustainability, there are numerous compelling reasons to prioritize the preservation of our planet. Taking decisive action to protect the environment is not only a matter of necessity but also a reflection of our values as a society. It is incumbent upon us to recognize the urgency of this issue and work towards a more sustainable and harmonious relationship with the natural world. Our planet is a precious and finite resource, and it is our collective responsibility to ensure its well-being for the benefit of current and future generations.。

2023年9月雅思考试题目大作文

2023年9月雅思考试题目大作文The Importance of Environmental Protection in the 21st CenturyIntroductionEnvironmental protection has become a crucial issue in the 21st century as the world faces the detrimental effects of climate change, pollution, deforestation, and loss of biodiversity. The need to protect our environment has never been more urgent, as the consequences of neglecting this duty are becoming increasingly apparent. In this essay, we will explore the historical background and development of environmental protection, analyze different perspectives on the topic, provide case studies and examples, evaluate the benefits and drawbacks of environmental protection efforts, and conclude with future implications and recommendations.Historical Background and DevelopmentThe concept of environmental protection dates back to ancient civilizations, where people recognized the importance of living in harmony with nature. However, the modern environmental movement gained momentum in the 20th century, spurred by events such as the publication of Rachel Carson's 'Silent Spring' in 1962, which raised awareness about the detrimental effects of pesticides on the environment. This led to the establishment of environmental protection agencies, the introduction of environmental laws and regulations, and the formation of international agreements such as the Paris Agreement on climate change. These developments reflect a growing global recognition of the need to protect the environment for future generations.Different Perspectives and OpinionsThere are various perspectives and opinions surrounding environmental protection. Some argue that stringent environmental regulations place an unnecessary burden on businesses and hinder economic growth. They believe that the costs of environmental protection outweigh the benefits, and that technological advancements will eventually solve environmental problems. On the other hand, environmentalists advocate for stronger regulations and argue that the long-termbenefits of protecting the environment far outweigh the short-term costs. They emphasize the importance of sustainable development and the preservation ofnatural resources for future generations.Case Studies and ExamplesOne notable case study is the success of the Montreal Protocol, an international treaty designed to protect the ozone layer by phasing out the production of ozone-depleting substances. The protocol has been hailed as a landmark environmental achievement, as it has led to a significant reduction in the use of harmful chemicals and a gradual recovery of the ozone layer. Another example is the city of Curitiba, Brazil, which has implemented innovative urban planning strategies to promote environmental sustainability, such as the extensive use of public transportation and the preservation of green spaces within the city.Critical EvaluationEnvironmental protection efforts have brought about numerous benefits, such as cleaner air and water, the preservation of biodiversity, and the mitigation of climate change. However, there are also drawbacks, such as the potential for job losses in industries that rely on unsustainable practices, and the challenges of implementing and enforcing environmental regulations. It is important to strike a balance between environmental protection and economic development, as both are essential for the well-being of society.Future Implications and RecommendationsLooking ahead, it is clear that environmental protection will continue to be a pressing issue in the 21st century. As the global population grows and industrialization spreads, the demand for natural resources will increase, placing further strain on the environment. It is crucial for governments, businesses, and individuals to work together to find innovative solutions to environmental challenges, such as investing in renewable energy, promoting sustainable agriculture, and adopting eco-friendly practices in daily life. Education and awareness are also key, as informed and empowered citizens are more likely to support environmental protection efforts.In conclusion, environmental protection is a complex and multifaceted issuethat requires a concerted effort from all sectors of society. By understanding the historical background and development of environmental protection, analyzing different perspectives, and critically evaluating the benefits and drawbacks, we can work towards a sustainable future for our planet. It is imperative that wetake action now to protect the environment for future generations, and by doing so, we can create a healthier and more prosperous world for all.。

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a rXiv:as tr o-ph/44380v12Apr24The Interplay among Black Holes,Stars and ISM in Galactic Nuclei Proceedings IAU Symposium No.222,2004Th.Storchi Bergmann,L.C.Ho &H.R.Schmitt,eds.c 2004International Astronomical Union DOI:00.0000/X000000000000000X Eﬀects of the Environment on the Properties of Seyfert Galaxies Marcio A.G.Maia (1,2),Christopher N.A.Willmer (2,3),Bruno M.Rossetto (1),Rodolfo S.Machado (1)1Observat´o rio do Valongo,Universidade Federal do Rio de Janeiro,Ladeira do Pedro Antˆo nio 43,Rio de Janeiro -20080-090,RJ,Brazil 2Observat´o rio Nacional,Rua Gal.Jos´e Cristino 77,Rio de Janeiro -20921-900,RJ,Brazil 3Lick Observatory,University of California,Santa Cruz,1156High Street,Santa Cruz,CA 95064,USA Abstract.We identify 175Seyfert galaxies from the Southern Sky Redshift Survey -SSRS2.We use the entire SSRS2catalog to investigate the correlation between the presence of AGN with host environment.The AGN phenomenon is more strongly correlated with the internal host properties,than with the external environment.In particular,we ﬁnd that Seyferts reside in more luminous galaxies,and are twice as frequent in barred galaxies and systems showing sign of advanced merger condition,when compared to a control sample.2M.A.G.Maia et al.Figure1.Morphological distribution of Seyferts and SSRS2galaxies.The numbers correspond to the following classiﬁcation:E=-5,E/S0=-3,S0=-2,S0a=0,Sa=1,Sab=2,Sb=3,Sbc=4, S...=5,Sc=6,Sc/Irr=7,Sd=8,Irr=10,merger=15.trigger or enhance the nuclear activity.No signiﬁcant diﬀerence was seen between the host morphologies of Seyfert types1and2.We also investigate the presence of bars,which have been claimed as a possible mech-anism to induce gas and dust radial inﬂows,fueling the AGN activity.We inspected visually DSS images of the entire SSRS2catalog members.Because of saturation in the central parts of galaxy images in the DSS,the presence of bars cannot be identiﬁed for many galaxies,while for galaxies that are edge-on or which have small apparent sizes bars are also hard to recognize.Nevertheless,we are able to detect,at least,the relative diﬀerences between the Seyferts and control samples.Globally,weﬁnd that the SSRS2 contains14%barred galaxies,while the Seyfert sample contains28%.The fraction of barred galaxies as a function of morphological type,for the SSRS2and Seyfert samples, is displayed inﬁgure2.There are twice as many barred hosts in the Seyfert population than in the SSRS2control sample.This result is maintained even if we consider only the morphological types where Seyferts are more frequent.This fraction is the same for subsamples limited at diﬀerent distances.We examined the total luminosity distributions of the AGNs and SSRS2samples.We ﬁnd that Seyferts are prone to reside in more luminous hosts,when the ratio between the number densities per magnitude bin of Seyfert hosts and SSRS2objects are computed.3.The External Environment of Seyfert GalaxiesWe examine the possible correlation between the presence of AGN phenomenon with the local density of galaxies by identifying groups of galaxies in the SSRS2.These groups are generated using a percolation algorithm analogous to that described byEﬀects of the Environment on the Properties of Seyfert Galaxies3Figure2.Fraction of galaxies with bars in the Seyfert and SSRS2samples as a function of morphological type,using the same coding as inﬁgure1.Merch´a n,Maia,&Lambas(2000).The algorithm also outputs a list of objects for which no companions are found(”isolated galaxies”).The assignments for Seyfert and SSRS2 samples according to diﬀerent degrees of multiplicity are displayed in table1.Both sam-ples are distributed in a similar way,except for binary systems,in which Seyfert hosts are more commonly found when compared to other galaxies of the entire SSRS2.This suggests that galaxies undergoing close interactions could have the AGN phenomenon intensiﬁed.We calculate the average group density,ρg,for both the AGN and SSRS2,by means of the expressionρg=3N g/4πr3where,N g is the number of galaxies and r the mean pairwise separation of a given group.Inﬁgure3we display the median values forρg as a function of group multiplicity.There is no evidence of the AGN phenomenon to be correlated with group density.Some results in the literature show evidence that the presence of a close companion may be correlated to the AGN activity.We tested this hypothesis by computing the nearest neighbor distance-S,and the maximum tidal inﬂuence-Q that a companion may exert.The tidal inﬂuence is proportional to the companion’s mass divided by the cube of the separation,S.Assuming that light traces mass,the tidal parameter is Q∝L/S3. The distribution of the nearest neighbor separation,S,for Seyferts and SSRS2galaxies was examined using the KS test which shows that both samples are similar at the98%4M.A.G.Maia et al.ρg (g a l s /M p c 3) Multiplicity110100Figure 3.Group density ρg ,according to multiplicity intervals.The points represent medianvalues,while the bars refer to upper and lower quartiles of the distributions.conﬁdence level.The distribution of Q values for the AGNs and SSRS2are identical at the 86%conﬁdence level.Meanwhile,the Seyfert types 1and 2distributions are considered the same only at the 20%conﬁdence level,with type 1s presenting higher values of Q .4.ConclusionsWe used the magnitude-limited SSRS2to identify Seyfert galaxies,and investigated how the properties of their hosts relate to general population of non-active galaxies.We ﬁnd that 175/5339(3-4%)of the galaxies in the SSRS2are Seyferts.The ratio of Seyfert 2s to 1s is ∼3:1.Most Seyferts are of morphological types betwen S0a and Sb,and ∼10%have hosts with indication of an ongoing merger.There is no diﬀerence between the morphology of Seyfert types 1and 2.The AGNs are preferentially detected in high lumi-nosity hosts,and are twice as frequent in barred hosts.No correlation with local density of galaxies.We ﬁnd marginal evidence that Seyfert 1galaxies have closer companions and/or are more susceptible to tidal eﬀects than type 2.Additional details about the re-sults presented here can be obtained in the paper by Maia,Machado,&Willmer (2003).ReferencesBaldwin,J.A.,Phillips,M.M.,&Terlevich,R.1981PASP 93,5.da Costa,L.N.,Willmer,C.N.A,Pellegrini,P.S.,Chaves,O.L.,Rite,C.,Maia,M.A.G.,Geller,M.J.,Latham,D.W.,Kurtz,M.J.,Huchra,J.P.,Ramella,M.,Fairall,A.P.,Smith,C.,&Lipari,S.1998AJ 116,1.Maia,M.A.G.,da Costa,L.N.,Willmer,C.N.A.,Pellegrini,P.S.,&Rite,C.1987AJ 93,546.Maia,M.A.G.,Machado,R.S.,&Willmer,C.N.A.2003AJ 126,1750.Maia,M.A.G.,Suzuki,J.A.,da Costa,L.N.,Willmer,C.N.A.,&Rite,C.1996A&A 117,487.Merch´a n,M.E.,Maia,M.A.G.,&Lambas,D.G.2000ApJ 545,26.。