Một chiếc thuyền đi xuôi dòng 1,6 km rồi quay đầu đi ngược dòng 1,2 km. Toàn bộ chuyến đi mất 45 phút. Tìm tốc độ trung bình của thuyền.

Read the following advertisement/school announcement and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 10 to 15.

ANNOUNCEMENT OF SCHOOL YEAR-END PARTY

- The School Youth Union would like to announce:

+ All students (13) _______ to be present at 19:00 on May 29.

+ Each class is to prepare a performance for the Talent Show. Each performance should not exceed 5 minutes.

+ Each class is to (14) _______ one student to take part in the “King and Queen of the Night” event.

- (15) _______ you have any questions, please contact your class monitor.

Read the following passage about the The Importance of Social Media in Modern Society 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 31 to 40.

In the 21st century, social media has become a crucial element of everyday life[I]. Platforms such as Facebook, Twitter, Instagram, and TikTok link individuals around the world, [IV]. Although some may critique social media for promoting negativity, it is important to acknowledge its numerous positive effects on society[III]. This essay will delve into the importance of social media, its influence on shaping public perception, and the challenges it poses.[II]

One of the primary benefits of social media is its ability to foster communication and connection. People can maintain relationships with friends and family, regardless of geographical barriers. This aspect is particularly vital for those who live far away from loved ones. For example, a student studying abroad can easily share their experiences with family through posts, photos, and video calls. Furthermore, social media enables individuals to connect with like-minded people and build communities around shared interests or causes. Activist groups, for instance, often use social media platforms to rally support for important issues, raising awareness and mobilizing action more efficiently than traditional methods.

Moreover, social media serves as a powerful tool for information dissemination. News spreads rapidly through these platforms, allowing individuals to stay informed about current events. During emergencies, such as natural disasters, social media can provide crucial information in real time, helping people stay safe and informed. However, this rapid dissemination of information also raises concerns about the accuracy and reliability of the content being shared. Misinformation can spread just as quickly as legitimate news, leading to confusion and mistrust.

Despite the challenges posed by misinformation, social media plays a significant role in shaping public opinion. People often turn to these platforms to voice their opinions and engage in discussions on various topics. For instance, political debates and social movements frequently gain traction through social media, allowing individuals to express their views and influence others. This democratization of discourse can empower marginalized voices and facilitate social change. However, it is crucial to approach online discussions critically, as echo chambers can form, reinforcing existing beliefs rather than encouraging open dialogue.

In conclusion, while social media presents challenges such as misinformation and polarized discussions, its positive contributions to communication, information dissemination, and social activism cannot be overlooked. As society continues to evolve, it is essential to harness the potential of social media while being mindful of its pitfalls. By promoting responsible use and critical thinking, we can maximize the benefits of social media and foster a more connected and informed society.

Which of the following is TRUE according to the passage?

Khái niệm nào sau đây không phản ánh đúng các yếu tố cấu thành thị trường lao động?

Read the passage carefully

1. Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.

2. The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.

3. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't  agree.

4. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about.

5. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.

Choose an option (A, B, C, or D) that best answers each question:

According to the passage, what can be inferred about cellphones?

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

Cho tập $M=\left\{ \left. \left( x;y \right) \right|x,y\in \mathbb{R} \right.$ và $\left. {{x}^{2}}+{{y}^{2}}\le 0 \right\}.$ Số phần tử của tập $M$ là

Ý nào sai khi nói về protein xuyên màng?

Trong ngôn ngữ lập trình Python, từ khoá và tên như thế nào?

Số Parabol \((P):y = {x^2} - 6x + 9\) có số điểm chung với trục hoành là?

Ở động vật có ống tiêu hóa, thức ăn đi qua ống tiêu hóa được biến đổi ra sao?

Trong dao động điều hòa x = Acos(ωt + φ), tốc độ nhỏ nhất bằng:

Read the following passage about Key to Addressing Poverty, Gender Disparities, and Environmental Challenges 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.

Social issues are problems that affect a large number of people in society, often creating inequality and hardship. One of the most significant social issues today is poverty. (18)_________, such as food, shelter, and education. In many parts of the world, (19)_________, with families trapped in a cycle of deprivation. While poverty is a complex issue, it is often connected to factors like unemployment and lack of access to education. These factors make it hard for individuals to escape the cycle and improve their lives. To address poverty, governments and organizations must create sustainable policies that focus on education, healthcare, and employment opportunities.

Another pressing issue is gender inequality. In many countries, women still face discrimination in areas like employment and education, limiting their opportunities for personal and economic growth. Even in developed nations, women earn less than men for doing the same work. (20)_________, as people demand equal rights and opportunities for all genders. Moreover, gender inequality can also affect women's health and safety, (21)_________.

Finally, environmental degradation, like pollution and climate change, is a growing global concern. Environmental damage, (22)_________, especially in poorer regions, often affects them the most. The increasing frequency of natural disasters, caused by climate change, is also putting immense pressure on vulnerable populations. Tackling these issues requires a collective effort from both individuals and governments. Only through cooperation and sustainable practices can we hope to create a more equitable and livable world for future generations.

Một trong những bước tiến trong lao động và đời sống của người nguyên thủy là:

Đối với việc hình thành các điểm du lịch, yếu tố có vai trò đặc biệt quan trọng là gì?

Phương trình hoá học nào dưới đây biểu diễn phản ứng giữa khí ammonia (NH\(_3\)) và khí hydrogen chloride (HCl) ở điều kiện thường?

Các văn bản luật và dưới luật đều phải phù hợp với Hiến pháp, đây là nội dung thuộc đặc trưng nào dưới đây của pháp luật?

Trước cuộc khai thác thuộc địa lần thứ nhất, xã hội Việt Nam có hai giai cấp cơ bản là

Nhà nước có quyền gì đối với các khoản thu, chi của ngân sách nhà nước?

Dải hội tụ nhiệt đới khác với frông ở đặc điểm nào?