Giá trị nhỏ nhất của biết thức $F=y-x$ trên miền xác định bởi hệ $\left\{ \begin{aligned} &2x+y\le 2 \\ &x-y\le 2 \\ &5x+y\ge -4 \\ \end{aligned} \right.$ là

Read the following 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 23 to 30.

          Happiness is a universal goal, yet its ingredients differ across societies and cultures. For some, safety and security are paramount, as demonstrated by Singapore. Known for its strict laws and highly regulated environment, Singapore provides a clean, orderly, and safe place for its citizens. The government ensures access to basic necessities such as housing and healthcare, significantly reducing poverty and promoting equality. While personal freedoms may be limited, many Singaporeans find satisfaction in the stability and quality of life their country offers, showing that happiness can stem from collective security.

        In contrast, Mexico highlights the importance of social connections in achieving happiness. Despite challenges like poverty and limited access to essential resources, Mexicans often prioritize relationships with family, friends, and neighbors. Simple acts like sharing meals or gathering in the community foster a sense of belonging and emotional well-being. Psychologists have long noted that feeling part of a larger social group can be a powerful source of happiness, even when material wealth is scarce. For them, the joy derived from relationships often outweighs material concerns.

       The role of money in happiness, however, is often debated. In Mexico, many individuals live in similar financial conditions, reducing the pressure of economic competition. When neighbors lack expensive possessions, individuals are less likely to feel dissatisfied with their own circumstances. This suggests that relative wealth and equality may have a stronger influence on happiness than absolute income.

       Ultimately, there is no universal recipe for happiness. Factors like security, freedom, social bonds, and financial equality all play a role, but their importance varies depending on individual and cultural values. Happiness, therefore, remains a deeply personal and multifaceted pursuit, shaped by our unique perspectives and circumstances.                                                                   

In which paragraph does the author describe the impact of financial resources on achieving happiness?

Nội dung nào sau đây không phải là hình thức để học tập và tìm hiểu lịch sử?

Xác định một từ/cụm từ SAI về ngữ pháp/hoặc ngữ nghĩa/logic/phong cách.

Du khách muốn tham quan, khám phá, ngắm dòng sông Hương giang thì hãy ngồi thuyền rồng và thời điểm lý tưởng là vào mùa thu hoặc mùa xuân, lúc này thời tiết ở Huế khá dễ chịu.

Công nghệ Robot thông minh là

Cơ quan nào của nước ta được thực hiện quyền tư pháp?

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

a. Nam: Oh, don't worry! You'll be fine.

b. Minh: Thanks! I hope I can make a good impression.

c. Minh: I've got an interview for a part-time job tomorrow, and I'm feeling really nervous.

Sự phân bố electron trên các phân lớp thuộc các lớp electron dựa vào nguyên lí hay quy tắc nào sau đây?

Cho bảng số liệu:

LƯỢNG MƯA VÀ LƯỢNG BỐC HƠI CỦA MỘT SỐ ĐỊA ĐIỂM

(Đơn vị: mm)

Theo bảng số liệu, nhận xét nào sau đây không đúng về lượng mưa và lượng bốc hơi của Hà Nội, Huế và TP Hồ Chí Minh?

Cho đoạn lệnh sau:

x=20

if x%2==0:

x=x+10

else:

x=x-10;

Sau khi thực hiện đoạn chương trình x nhận giá trị bao nhiêu?

Read the following passage about climate change 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.

           Climate change refers to the long-term alteration of temperature and typical weather patterns in a place. This phenomenon is largely driven by human activities, particularly the burning of fossil fuels such as coal, oil, and gas, which increase the concentration of greenhouse gases in the atmosphere. They trap heat from the sun, leading to global warming and causing severe weather events, such as hurricanes, floods, and droughts, to become more frequent and intense. Climate change impacts nearly every region of the world and affects the natural environment, economies, and human health.

           As temperatures rise, polar ice caps and glaciers are melting at alarming rates, contributing to rising sea levels. Coastal regions face an increased risk of flooding, and many low-lying islands are at risk of disappearing entirely. Additionally, higher temperatures lead to the warming of oceans, affecting marine ecosystems and causing coral bleaching, which threatens biodiversity and the livelihoods of millions of people who depend on fishing.

            [I] The consequences of climate change are not just environmental; they also affect human society in significant ways. [II] Changes in weather patterns disrupt agriculture, leading to crop failures and food shortages in vulnerable regions. [III] Furthermore, climate change is linked to health issues such as respiratory diseases, heat strokes, and the spread of diseases carried by insects, like malaria and dengue fever. [IV]

           To combat climate change, a coordinated global effort is necessary. Governments, organizations, and individuals all have roles to play in reducing greenhouse gas emissions and promoting sustainable practices. Shifting to renewable energy sources, such as wind, solar, and hydropower, is essential. Additionally, conserving forests and investing in technology that captures carbon dioxide from the atmosphere can help mitigate the effects of climate change and pave the way for a healthier planet.

Which of the following can be inferred from the passage?

Đặc điểm môi trường dinh dưỡng nào phù hợp với pha cân bằng của quần thể vi khuẩn?

Có bao nhiêu phương pháp chính được dùng để giảm kích thước tệp âm thanh?

Một người đi thang máy từ tầng G lên tới tầng cao nhất của toà nhà cách tầng G 80 m, rồi đi xuống tầng hầm cách tầng G 5 m. Độ dịch chuyển và quãng đường đi được của người đó trong cả chuyến đi lần lượt là

Nếu \(C_{n}^{1}+6C_{n}^{2}+6C_{n}^{3}=9{{n}^{2}}-14n\) thì n bằng: