Chủ tịch nước có vị trí như thế nào trong bộ máy nhà nước Việt Nam?

Choose A, B, C or D to answer each question.

The members of a city council wanted to assess the opinions of all city residents about converting an open field into a dog park. The council surveyed a sample of 500 city residents who own dogs. The survey showed that the majority of those sampled were in favor of the dog park. Which of the following is true about the city council’s survey?

Read the following passage about women in the workplace 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.

Marcel Bich, a French manufacturer of traditional ink pens, was the man (18) ______. Bich was surprised by the poor quality and high price of the ballpoint pens available at the time. However, he realised that the ballpoint pen was a well-established invention, (19) ______ that would succeed in the market.

"Bich approached the Biro brothers and asked for permission to use their original invention in one of his pens. In return, he offered to pay them for each pen he sold. (20) ______, he used a microscope to examine them closely."

By 1950, he was ready to introduce his new design: a plastic pen with a transparent barrel that wrote smoothly, didn’t leak, and cost only a few cents. The new ballpoint pen (21) ______. The public liked it immediately, and today it is as common as the pencil.

Bich's success allowed him to establish Société Bic, which expanded worldwide. (22) ______, producing not only pens but also lighters, razors, and even mobile phones.

Trong thí nghiệm chứng minh quá trình vận chuyển nước ở thân, có thể sử dụng hóa chất nào dưới đây?

Cung cấp một nhiệt lượng 45600 J để nung nóng một khối kim loại nặng 2 kg từ 10 ^oC lên 70 ^oC. Nhiệt dung riêng của khối kim loại này là bao nhiêu J/kg.K?

Hai câu thơ: “Dân ta phải biết sử ta/ Cho tường gốc tích nước nhà Việt Nam” là của ai? 

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 from 31 to 40.

          [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 enhance mental resilience and allow for more meaningful, balanced relationships (Robinson & Smith, 2020).

Which of the following best paraphrases the underlined sentence in paragraph 4?

Thuận lợi chủ yếu về tự nhiên để ngành công nghiệp ở Cộng hòa Nam Phi phát triển là gì?

Điều nào sai khi nói về các đặc điểm của virus?

Để mô tả cấu trúc và giải thích một số tính chất của chất rắn, chất lỏng, chất khí người ta sử dụng một mô hình được gọi là mô hình động học phân tử. Trong các phát biểu sau đây, phát biểu nào là đúng, phát biểu nào là sai về mô hình này?

Một hạt bụi nhỏ có khối lượng m = 0,1 mg, nằm lơ lửng trong điện trường giữa hai bản kim loại phẳng. Các đường sức điện có phương thẳng đứng và chiều hướng từ dưới lên trên. Hiệu điện thế giữa hai bản là 120 V. Khoảng cách giữa hai bản là 1 cm. Xác định điện tích của hạt bụi. Lấy g = 10 m/s².

Một chiếc đu quay có bán kính \(75\) m, tâm của vòng quay ở độ cao \(90\) m, thời gian thực hiện mỗi vòng quay của đu quay là \(30\) phút.

Nếu một người vào cabin tại vị trí thấp nhất của vòng quay, thì sau \(20\) phút quay, người đó ở độ cao bao nhiêu mét? (làm tròn kết quả tới hàng phần mười).

Theo quy luật biến đổi tính chất các đơn chất trong bảng tuần hoàn thì

Tư tưởng, tôn giáo nào dưới đây có ảnh hưởng nhiều nhất đối với giáo dục Đại Việt?

Nơi nào trong một năm có hai lần Mặt Trời lên thiên đỉnh?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 28 to 34. Foot-racing is a popular activity in the United States. It is seen not only as a competitive sport but also as a way to exercise, to enjoy the camaraderie of like-minded people, and to donate money to a good cause. Though serious runners may spend months training to compete, other runners and walkers might not train at all. Those not competing to win might run in an effort to beat their own time or simply to enjoy the fun and exercise. People of all ages, from those of less than one year (who may be pushed in strollers) to those in their eighties, enter into this sport. The races are held on city streets, on college campuses, through parks, and in suburban areas, and they are commonly 5 to 10 kilometers in length. The largest footrace in the world is the 12-kilometer Bay to Breakers race that is held in San Francisco every spring. This race begins on the east side of the city near San Francisco Bay and ends on the west side at the Pacific Ocean. There may be 80,000 or more people running in this race through the streets and hills of San Francisco. In the front are the serious runners who compete to win and who might finish in as little as 34 minutes. Behind them are the thousands who take several hours to finish. In the back of the race are those who dress in costumes and come just for fun. One year there was a group of men who dressed like Elvis Presley, and another group consisted of firefighters who were tied together in a long line and who were carrying a fire-hose. There was even a bridal party, in which the bride was dressed in a long white gown and the groom wore a tuxedo. The bride and groom threw flowers to bystanders, and they were actually married at some point along the route.

A “bystander” as used in the last paragraph refers to which of the following?

Cho hai mệnh đề \(P\): “Tứ giác \(ABCD\) là hình vuông” và \(Q\): “Tứ giác \(ABCD\) là hình chữ nhật có hai đường chéo vuông góc với nhau”.

a) Mệnh đề đảo của mệnh đề “\(P \Rightarrow Q\)” là mệnh đề: “Nếu \(ABCD\) là hình chữ nhật có hai đường chéo vuông góc với nhau thì tứ giác \(ABCD\) là hình vuông”.

Trong số các nguyên tố hóa học, cơ thể người cần khoảng bao nhiêu nguyên tố?

Cho hàm số \(y=\frac{x-1}{2x-3}\) \(\left( C \right)\).

Mark the letter A, B, C, or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17

Dear Nhung, 

a. The party will take place at my house on Sunday at 6 PM.

b. It will be a great chance for us to enjoy delicious food, play fun games, and share memories before you leave.

c. Let me know if you can make it. I really hope to see you then!

d. I’m going to have a farewell party after the Tet holiday. Would you like to come?

e. I want to make this a special moment to say goodbye and wish you all the best.

Best regards,

Anna