Hoạt động nào sau đây ít gây ô nhiễm không khí?
Câu hỏi liên quan
Một trong những nhân tố quan trọng quyết định thắng lợi của sự nghiệp giải phóng dân tộc và xây dựng, bảo vệ Tổ quốc hiện nay là:
Hiện nay, một trong những xu hướng tuyển dụng lao động của thị trường Việt Nam là gì?
Đâu là ý đúng: Nguyên tắc thứ hai khi bón phân hóa học là gì?
Khảo sát sự yêu thích môn Toán của hai lớp 12 của một trường. Lớp 12A1 có 40 học sinh và có 80% học sinh thích môn Toán, lớp 12A2 có 32 học sinh và có 75% học sinh thích môn Toán. Chọn ngẫu nhiên một học sinh. Biết rằng bạn đó yêu thích môn Toán, tính xác suất bạn đó học lớp 12A1 (kết quả làm tròn đến hàng phần trăm).
Read the following passage about green living habits and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 23 to 30.
In an era marked by climate change and environmental degradation, adopting green living habits has become increasingly vital. Green living refers to a lifestyle that seeks to minimize one’s ecological footprint through conscious choices in daily activities. This can include everything from reducing waste to conserving energy and using sustainable products. As more individuals recognize the importance of preserving our planet, the movement toward greener practices continues to gain momentum.
One of the most significant aspects of green living is its focus on sustainability. By choosing products that are eco-friendly, consumers can support businesses that prioritize environmental responsibility. For instance, using reusable bags, bottles, and containers reduces plastic waste and promotes a circular economy. Furthermore, opting for locally sourced foods not only supports local farmers but also decreases the carbon emissions associated with transportation.
When green living habits are adopted, they can lead to profound changes in our environment. By reducing their energy consumption through the use of energy-efficient appliances, individuals help lower greenhouse gas emissions. Consequently, this contributes to cleaner air and mitigates the effects of climate change. Moreover, by practicing water conservation methods, such as fixing leaks and using low-flow fixtures, households can significantly decrease water waste, promoting the sustainable use of this precious resource.
In conclusion, educating individuals about green living habits is crucial for promoting a more sustainable future. Schools and community organizations can offer workshops and resources that highlight the benefits of eco-friendly practices. Additionally, social media campaigns can raise awareness and encourage people to share their experiences with sustainable living. By empowering individuals to make informed choices, we can collectively work toward a healthier planet for generations to come.
Which of the following is TRUE according to the passage?
The art form of the opera (18) ______ during the 1590s. At the time a group of composers and artists known as the Camerata were interested in injecting storytelling into music. They were inspired by the belief that the great tragic plays of ancient Greece had been sung rather than simply acted. Another motivation may have been the desire of the composers to find an alternative to the production of music for the Church, (19) ______. This is supported by the selection of material for the opera. Early composers took their material from the mythologies of ancient Rome and Greece, which was full of plot twists, betrayals, and love affairs. From the very beginning, the sobriety of the Church had little place in opera.
(20) ______. Composers quickly embraced the new art form for the opportunities and creative freedom it offered. Wealthy nobles supported the opera because its elaborate and expensive performances allowed them to display their wealth as well as their sophistication. The early years of opera were marked primarily by experimentation. (21) ______, everything was new and untested. Early composers experimented with the structure, subject material, and organization of the opera. They tried different placements for the orchestra, as well as different sizes. By the early 1600s, however, (22) ______.
Read the following passage about opera and mark the letter A, B, C, or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22.
Đại lượng nào dưới đây là đại lượng vectơ?
Một vật được thả rơi tự do từ độ cao 19,6 m xuống đất. Bỏ qua lực cản của không khí. Lấy gia tốc rơi tự do g = 9,8 m/s2. Vận tốc của vật trước khi chạm đất bằng
Read the following passage about Vietnamese cultural identity and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 23 to 30.
Vietnamese cultural identity is a rich and intricate tapestry that reflects the nation’s long and storied history. Rooted in over a thousand years of civilization, Vietnam’s cultural identity is a fusion of indigenous traditions and external influences, shaped by its geographical location and historical interactions.
First and foremost, at the heart of Vietnamese culture is a deep reverence for family and community. Confucian values emphasizing respect for elders, filial piety, and social harmony have played a pivotal role in shaping Vietnamese society. These values are reflected in the close-knit family structures, hierarchical relationships, and communal rituals that are integral to daily life.
Secondly, Vietnamese cuisine is celebrated worldwide for its exquisite flavors and diversity. With its emphasis on fresh ingredients, fragrant herbs, and balanced flavors, Vietnamese food tells a story of the country’s agricultural heritage and regional variations. Iconic dishes like pho, banh mi, and spring rolls have become global favorites, representing the culinary artistry deeply ingrained in Vietnamese culture. Also, Vietnam’s artistic expressions are equally captivating. Traditional art forms like water puppetry, silk painting, and folk music continue to thrive alongside contemporary artistic movements. Ao dai, a graceful traditional dress, exemplifies the fusion of elegance and modesty in Vietnamese fashion, symbolizing cultural pride and identity.
Today, in the face of modernization and globalization, Vietnamese cultural identity remains resilient. While adapting to the challenges of the 21st century, the Vietnamese people continue to honor their traditions, celebrate their unique cultural expressions, and pass on their heritage to future generations, ensuring that their cultural identity remains vibrant and enduring.
(Adapted from Saigoneer)
The word ‘their’ in paragraph 4 refers to ______.
Chất phóng xạ X có chu kì bán rã T. Ban đầu (t = 0), một mẫu chất phóng xạ X có số hạt là N0. Sau khoảng thời gian t = 3T (kể từ t = 0), số hạt nhân X còn lại là
Quan hệ Việt Nam - Liên bang Nga đã chính thức được thiết lập vào năm bao nhiêu?
Bản đồ địa lí không thể cho biết nội dung nào?
Sắp xếp các bước sau đây đúng với trình tự thực hiện trong phương pháp quan sát:
(1) Thu thập, ghi chép và xử lí các dữ liệu quan sát được.
(2) Xác định đối tượng quan sát và phạm vi quan sát.
(3) Xác định công cụ quan sát phù hợp.
Trình tự thực hiện đúng là
- Một công ty sản xuất dụng cụ thể thao nhận được một đơn đặt hàng sản xuất
quả bóng tennis. Công ty này sở hữu một số máy móc, mỗi máy có thể sản xuất 
quả bóng trong một giờ. Chi phí thiết lập các máy này là 
nghìn đồng cho mỗi máy. Khi được thiết lập, hoạt động sản xuất sẽ hoàn toàn diễn ra tự động dưới sự giám sát. Số tiền phải trả cho người giám sát là 
nghìn đồng một giờ. Số máy móc công ty nên sử dụng là bao nhiêu để chi phí hoạt động là thấp nhất? Các phát biểu dưới đây là đúng hay sai khi nói về vai trò của sinh vật tự dưỡng?
Read the following passage about the impact of social media on mental health and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions
[I] In recent years, social media platforms have become a central part of daily life, offering users countless ways to connect, share, and communicate. [II] While these platforms offer many advantages, experts have noted rising concerns about their effects on mental health, particularly among young people (Smith & Anderson, 2018). [III] Studies reveal that excessive social media use can contribute to feelings of anxiety, depression, and loneliness, despite its intention to promote connection and social interaction (Twenge & Campbell, 2019). [IV]
A primary reason for these mental health concerns is the tendency for social media users to compare themselves to others. Platforms like Instagram and Facebook often highlight idealized lifestyles, leading users to feel inadequate about their own lives. Additionally, the constant notifications and messages contribute to a "fear of missing out," or FOMO, which keeps individuals in a cycle of checking their phones, often reducing the quality of sleep and overall well-being.
There is also a growing body of research suggesting a link between social media use and decreased attention spans. When users frequently switch between apps and notifications, their ability to focus for extended periods may diminish (Rosen, 2019). This shift in attention can interfere with productivity, especially in academic and professional settings, where sustained focus is essential.
Addressing these challenges requires a multi-faceted approach. Some mental health professionals suggest limiting screen time and setting boundaries, such as "device-free" hours before bedtime. Others recommend engaging in offline activities, like reading or exercising, to reduce dependence on social media and build healthier habits. According to psychologists, such strategies can bu mental resilience and allow for more meaningful, balanced relationships (Robinson & Smith, 2020).
The phrase "fear of missing out" in paragraph 2 could be best replaced by ____.
Biết khối lượng của các hạt proton, neutron và hạt nhân \(_9^{19}\;{\rm{F}}\) lần lượt là \(1,0073{\rm{u}};1,0087{\rm{u}};18,9934{\rm{u}}.\) Độ hụt khối của hạt nhân \(_9^{19}\;{\rm{F}}\) là
Để thuận lợi trong việc tương tác với người nghe, người nói nên chọn vị trí đứng và di chuyển như thế nào? (Chọn hai đáp án)
Để đánh dấu một email quan trọng từ giáo viên trong Gmail, bạn sẽ làm gì?
Read the following passage about the e-waste crisis and mark the letters A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40.
[I] Electronic waste, commonly known as e-waste, refers to discarded electronic devices like smartphones, computers, and household appliances. [II] As technology rapidly advances, many of these devices become outdated quickly, leading to an increase in e-waste globally. [III] Experts estimate that millions of tons of e-waste are generated annually, and the numbers continue to rise as people upgrade their gadgets more frequently. [IV]
The improper disposal of e-waste presents significant environmental and health risks. When e-waste is dumped in landfills, it often releases harmful chemicals, such as lead and mercury into the soil and water, which can wreak havoc on ecosystems and pose serious health risks to nearby communities. Moreover, a large portion of e-waste is transported to developing countries, where regulations on electronic disposal may be less strict. Here, workers, often without adequate protection, dismantle electronic devices by hand to retrieve valuable metals like gold and copper, exposing themselves to toxic substances.
To address this growing problem, many countries and organizations are promoting e-waste recycling programs. These initiatives encourage consumers to recycle old electronics responsibly, rather than discarding them. By doing so, valuable materials can be reused, reducing the demand for mining new resources and helping to minimize environmental damage. Additionally, some companies are adopting sustainable design strategies, producing products that are easier to repair or upgrade, thereby extending their lifespan.
Public awareness about the impacts of e-waste is gradually increasing, and more people are becoming motivated to make eco-friendly choices. However, achieving global cooperation remains challenging, as effective solutions require collaboration across borders.
(Adapted from The Guardian)
Khi chất thải điện tử được đổ vào các bãi rác, nó thường giải phóng các hóa chất có hại, như chì và thủy ngân vào đất và nước, có thể tàn phá hệ sinh thái và gây ra rủi ro sức khỏe nghiêm trọng cho các cộng đồng lân cận.Which of the following best summarises paragraph 3?
