Những hoạt động đối ngoại của Phan Châu Trinh đầu thế kỉ XX nhằm mục đích nào sau đây?

Nơi nào diễn ra sự bào mòn, rửa trôi đất đai mạnh nhất?

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 thefollowing questions from 13 to 17.

Dear Mr. Bean,

a. We’ll be having some of your favorite dishes, and I’ll make sure there’s plenty of dessert.

b. Let me know if you’re free, and I’ll send you the details.

c. I hope you can make it; it wouldn’t be the same without you!

d. I’m hosting a small dinner party at my place next Saturday evening and would love for you to join us.

e. It would be a great chance to catch up and enjoy some good food together!

Looking forward to hearing from you,

Anna

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.

The explosion in mobile phone use around the world has made some health professionals worrieSome 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.

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.

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.

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.

What is the word “potentially” in paragraph 4 closest in meaning to?

Hình elip được ứng dụng nhiều trong thực tiễn, đặc biệt là kiến trúc, xây dựng, thiết bị nội thất,.. Một bồn rửa (lavabo) bằng sứ có hình dạng là một nửa khối tròn xoay khi elip quay quanh một trục (hình minh họa). Thông số kĩ thuật mặt trên của bồn rửa: dài x rộng là 660 x 380 mm,  giả thiết bồn rửa có độ dày đồng đều \(\delta \) là 20 mm.

Thể tích chứa nước của bồn rửa gần nhất với giá trị nào sau đây?

Một người phụ nữ bình thường có bố bị hói có kiểu gene đồng hợp lấy một người chồng không bị hói. Họ sinh được 2 người con, xác suất để cả hai đứa con lớn lên không bị hói đầu là

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).

According to paragraph 2, which of the following is NOT an effect of social media on mental health?

"Nếu Tổ quốc neo mình đầu sóng cả

Những chàng trai ra đảo đã quên mình

Một sắc chỉ về Hoàng Sa thuở trước

Còn truyền đời con cháu mãi đinh ninh

Nếu Tổ quốc nhìn từ bao mất mát

Máu xương kia dằng dặc suốt ngàn đời

Hồn dân tộc ngàn năm không chịu khuất

Dáng con tàu vẫn hướng mãi ra khơi"

(Trích Tổ quốc nhìn từ biển - Nguyễn Việt Chiến).

Xác định biện pháp tu từ được sử dụng trong đoạn trích trên.

Một nguyên tử của nguyên tố X có tổng số hạt proton, neutron, electron là 52 và có số khối là 35. Số hiệu nguyên tử của nguyên tố X là

Read the passage 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.

We seem to be entering a boom era for greenwashing - the tactic of covering routine pollution in eco-friendly language. [I] Picture running a high-emitting corporation: meaningful decarbonisation would demand painful negotiations, huge capital outlays, and a full redesign of the business model. Hiring an expert agency to splash "carbon- neutral" or "net-zero" across products is far easier, buying time while emissions remain untouched.

Consumers meet this sleight of hand everywhere. Airlines sell "carbon-neutral" flights, filling stations boast about "net-zero" fuel, and breakfast bacon is re-labelled as planet-safe. Advertising spin is old, yet today it is manipulated to conceal ongoing environmental damage. Social media influencers and glossy sustainability reports amplify these claims, broadcasting the narrative far beyond traditional marketing channels.

The term greenwashing emerged in the 1980s, an era of oil spills and growing climate science, but the practice has exploded only recently. [II] Intensifying public anxiety over global heating and ecosystem collapse has placed companies under sharp scrutiny; many boards therefore choose eye-catching PR over the tougher route of restructuring supply chains, energy sources, and product lines. Regulators on both sides of the Atlantic are struggling to police false eco-claims, yet enforcement still lags behind corporate ingenuity. Investors, eager to protect short-term returns, frequently applaud these surface-level initiatives, reinforcing the cycle. [III] No sector illustrates the issue better than oil and gas. Having realised that denying climate science now backfires, the industry has swapped denial for "green" paint. Press releases trumpet potential renewable ventures while drilling plans expand unabated.

Why does this matter? Greenwashing and climate denial share a core objective: to postpone the deep emission cuts claimed by scientists as urgent this decade. [IV] Whereas denial disputes the crisis, greenwashing misleads the public into believing problems are solved, thereby eroding consumer advocacy of genuine environmental actions and stalling regulatory reforms. In effect, it acts as a soothing lullaby, guiding society ever closer to ecological breakdown while fostering a false sense of progress. Exposing the facade-and insisting on verifiable, measurable carbon reductions-is essential if rhetoric is to give way to real action.

(Adapted from www.greenpeace.org.uk)

Which of the following can be inferred from the passage?

Một điện trở trên thân có các vòng màu theo thứ tự: đỏ – đỏ – đen – nhũ vàng. Điện trở đó có giá trị R bằng

Cho biết: Màng nào chứa ít cholesterol và cao cardiolipin?

Cho nguyên tử R có tổng số hạt cơ bản là 46, số hạt mang điện nhiều hơn số hạt không mang điện là 14. Cấu hình electron của nguyên tử R là

Một cách gọi khác của mức lượng tử hóa là

Ông A có 1 căn hộ mới xây dựng được thế chấp tín dụng định giá 2 tỷ đồng. Theo quy định của Luật Nhà ở, ông được quyền gì?