高二英语必修五知识点大全三篇【文章一】高二英语必修五知识点大全Unit 1: Global challenges1. Climate change: It is a phenomenon where global temperatures rise due to increasing levels of greenhouse gases in the atmosphere, mainly carbon dioxide. The result is melting of glaciers, rising sea levels, and changes in weather patterns, which can have devastating effects on our planet.Example: The melting of glaciers in Greenland and Antarctica can lead to a 6-meter rise in sea levels, which would cause flooding in many coastal cities.2. Nuclear energy: Nuclear energy is generated when atomic nuclei undergo nuclear reactions, which release energy. It is a clean energy source, but its potential for misuse in nuclear weapons is a cause for concern.Example: The Chernobyl disaster in 1986 was caused by a nuclear reactor experiment gone wrong, which led to an explosion and release of radioactive materials into the environment.3. Poverty: Poverty is a state of being poor or lacking basic necessities of life, such as food, clothing, and shelter. It is a global issue that affects both developed and developing countries.Example: In sub-Saharan Africa, over 400 million people live in extreme poverty, surviving on less than $1.90 per day.Unit 2: English around the world1. Colonialism: The act of taking control of another country or territory for economic, political, and social gains. It has had a significant impact on the spread of English across the world.Example: The British colonization of India led to the spread of English as a language of trade and governance, which continues to this day.2. Standard English: It is a form of English that is considered correct and proper, based on adherence to grammar, vocabulary, and pronunciation rules. It is often associated with British English and taught as a second language in many countries.Example: American and British English differ in certain grammatical and spelling conventions, but both are considered standard forms of English.3. Pidgin and creole languages: Pidgin languages are simplified forms of communication used between people who do not share a common language. Creole languages, on the other hand, develop when a pidgin language becomes the primary language of a community.Example: Jamaican Patois is a creole language that evolved from apidgin language spoken by African slaves and their masters in Jamaica.【文章二】高二英语必修五知识点大全Unit 3: Music1. Musical genres: Musical genres are categories that help to classify different types of music according to their style, instruments, and themes. Examples include rock, jazz, classical, and hip hop.Example: Rock music is characterized by the use of electric guitars, drums, and bass, and its themes often revolve around rebellion and social commentary.2. Musical instruments: Musical instruments are tools used to create music, and they come in various forms, shapes, and sizes. They can be classified into string, wind, percussion, and keyboard categories.Example: The violin is a string instrument that is used in classical music and has been around for over 400 years.3. Music therapy: Music therapy is a form of healthcare that uses music to improve physical, emotional, cognitive, and social functioning of individuals. It has been used to treat a range of conditions, including depression, anxiety, and dementia.Example: Patients with Alzheimer's disease have shown improvement in memory recall and overall wellbeing after music therapy sessions.Unit 4: Sports and games1. Fair play: Fair play is the principle of playing by the rules and showing respect for opponents, referees, and spectators. It is an essential aspect of sportsmanship and is often associated with the Olympic Games.Example: In the 1968 Olympic Games, Tommie Smith and John Carlos raised their fists in a black power salute during the medal ceremony, which led to their disqualification from the games.2. Competitive sports: Competitive sports are activities where individuals or teams compete against each other with the aim of winning. They can be divided into contact and non-contact sports.Example: Basketball is a contact sport where players can make physical contact with each other, whereas tennis is a non-contact sport where the aim is to hit the ball over the net.3. Sports and lifestyle: Sports and physical activity are an essential part of a healthy lifestyle as they reduce the risk of chronic diseases, maintain physical fitness, and promote mental wellbeing. Example: Regular exercise can also improve sleep quality, reduce stress levels, and increase self-esteem.【文章三】高二英语必修五知识点大全Unit 5: Science and technology1. Scientific method: The scientific method is a process used to investigate natural phenomena, which involves observation, hypothesis formulation, testing, analysis of data, and drawing conclusions.Example: Galileo used the scientific method to explore the motion of objects and proved that the earth rotates around the sun.2. Biotechnology: Biotechnology is the use of living organisms, cells, or biological systems to create new products or modify existing ones. It has applications in medicine, agriculture, and food production.Example: Genetic engineering is a form of biotechnology used to modify the DNA of organisms, such as producing insulin for diabetics using genetically modified bacteria.3. Artificial intelligence: Artificial intelligence (AI) refers to computer systems that can perform tasks that typically require human intelligence, such as learning, problem-solving, and decision-making.Example: Self-driving cars use AI technology to navigate traffic,avoid obstacles, and make decisions based on input from sensors and GPS.Unit 6: Creativity1. Artistic expression: Artistic expression is the use of creative skills and imagination to produce works that communicate an idea or emotion. It can be expressed through various forms, including visual art, music, dance, and literature.Example: Leonardo da Vinci's painting, the Mona Lisa, has become an iconic work of art that communicates mystery, beauty, and enigma.2. Innovation: Innovation involves the process of developing new ideas, products, or processes that improve the quality of life, drive economic growth, and promote social progress.Example: The invention of the Internet in the 20th century has transformed communication, information sharing, and commerce on a global scale.3. Creative industries: Creative industries refer to businesses that produce and distribute cultural goods and services, such as music, films, books, and fashion. They contribute to economic growth, job creation, and cultural diversity.Example: Hollywood's film industry is a multibillion-dollar enterprise that produces movies that are enjoyed by audiences around the world.Unit 7: Education and work1. Learning styles: Learning styles are different ways individuals prefer to learn, digest, and retain new information. There are three main learning styles: visual, auditory, and kinesthetic.Example: A student who prefers visual learning might benefit from using diagrams or videos to understand complex concepts.2. Career paths: Career paths refer to the sequence of jobs and experiences within a profession that an individual can pursue to advance their career. It involves acquiring the necessary skills and qualifications for different roles.Example: A doctor's career path might involve gaining a medical degree, specializing in a particular area, and taking on positions of increasing responsibility over time.3. Workplace culture: Workplace culture refers to the shared values, beliefs, attitudes, and behaviors that characterize an organization. It can impact employee satisfaction, productivity, and retention.Example: A workplace that values collaboration, open communication, and respect for different perspectives is likely to have a positive workplace culture.Unit 8: Cultural diversity1. Cultural norms: Cultural norms are the shared expectations and rules that define appropriate behavior within a particular society orgroup. They can vary across cultures and change over time.Example: In Japan, removing shoes before entering someone's home or a public space is considered a cultural norm to maintain cleanliness and show respect.2. Cultural heritage: Cultural heritage refers to the tangible and intangible artifacts, traditions, and practices of a society or group that are considered valuable and worth preserving.Example: The Great Wall of China is a significant cultural heritage site that symbolizes the country's rich history and engineering prowess.3. Cultural identity: Cultural identity refers to the sense of belonging and identification with a particular culture or ethnicity. It is shaped by shared experiences, values, and traditions. Example: An individual's cultural identity might be influenced by factors such as their family background, religion, language, and nationality.Unit 9: Health and medicine1. Public health: Public health refers to the science and art of preventing disease, promoting health, and prolonging life through organized efforts and informed choices of society, organizations, communities, and individuals.Example: Vaccination campaigns and public education programsare examples of public health initiatives aimed at reducing the spread of infectious diseases.2. Medical ethics: Medical ethics are the moral principles and values that govern the behavior of healthcare professionals and the treatment of patients. It involves upholding autonomy, beneficence, non-maleficence, and justice.Example: Informed consent is an ethical principle that ensures patients have the right to make decisions about their treatment options based on accurate and unbiased information.3. Health disparities: Health disparities refer to the differences in health outcomes and access to healthcare services between different groups of people. These disparities can be attributed to social, economic, and environmental factors.Example: Persons living in rural areas might face challenges accessing healthcare services due to distance, transportation, and lack of healthcare providers, resulting in poorer health outcomes compared to urban populations.Overall, these knowledge points from the five units in the second year of English study are crucial for building students' English skills, enhancing their understanding of different subject areas, and preparing them for future academic and career pursuits.。
