Nguyên tử P (phosphorus) có Z = 15, A = 31 nên nguyên tử P có

Cho hàm số \(y = f(x)\) có bảng biến thiên như sau:

Tổng số đường tiệm cận ngang và tiệm cận đứng của đồ thị hàm số đã cho là

Các ngành công nghiệp ở nông thôn phát triển mạnh dựa trên thế mạnh nào sau đây?

Read the following leaflet 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 7 to 12.

HOW THE GENERATION GAP PLAYS OUT IN THE WORKPLACE

As a recruiter, I am in constant communication with executive clients and HR colleagues. I regularly (7) ________ on candidates I’ve placed, to see how they are getting on in their new roles. Here are some of the important generational differences I see that can lead to potential (8) ________ if not properly understood:

·       Communication styles

The young generation is more (9) ________, quick to offer constructive criticism, individualistic, with a more casual approach.

Gen X values hard work and long hours, a/k/a ‘The Grind’ – they are more skeptical, formal, and uncompromising.

·       Leadership styles

The young generation is extremely open-minded. They resist micromanagement, and resent pressure. (10) ________ factor that sets them apart is their emphasis on work-life balance.

 (11) ________, their Generation X supervisors, on the other hand, are intensely focused on the organizational processes that brought the company success; they tend to prioritize (12) ________ and the bottom line.

Vùng trồng lúa mì của Trung Quốc tập trung chủ yếu ở đồng bằng nào?

Cho hàm số \(f(x) = \left\{ \begin{array}{l}\sqrt {x + 1} - 2\quad (x \ge - 1)\\3{x^2} - x + 1\quad (x < - 1)\end{array} \right.\). Tính giá trị của: \(2.f( - 3) - 4.f(0)\)?

Choose A, B, C or D to complete each sentence.

The tourists and the local people ____________ I have met are nice.

Cho hình lăng trụ tam giác $ABC.A^{\text{'}}{B}^{\text{'}}{C}^{\text{'}}$. Một đường thẳng đi qua trung điểm I của AB và song song với BC cắt AC tại J. Mặt phẳng $\left(A^{\text{'}}IJ\right)$ chia khối lăng trụ thành 2 khổi. Tính tỉ số thể tích giữa hai khối đó (số bé chia cho số lớn)?

Read the passage carefully. Choose an option (A, B, C or D) that best answers each question from 16 to 22.

1. Like many emergency responders, Nicholas Groom is used to stress at work.  On the one hand, the stress can be helpful. “I find that when attending a serious incident, it helps me to maintain focus on the situation,” Nicholas Groom said. On the other hand, the work can be highly pressurized. “Too much stress can impair your ability to make decisions,” he adds. And Groom is not alone in his complicated relationship with stress.

2. Many people believe that there should be a balanced amount of stress. In other words, not too much stress so you’re not overwhelmed but not too little stress so you don’t feel unmotivated. After all, some anxiety is motivating; think of the adrenaline before a deadline or the excitement before a competition.  Sports fans sometimes even talk about a “gene” in some athletes who seem to play best in the decisive final moments of a match. Furthermore, many psychologists claim that performance in many situations increases with stress up to a point. Of course, any stress can cause harm when it’s prolonged. To take just one example, a long-term high heart rate is linked to cardiovascular diseases. And additional stressors, such as financial pressures or psychiatric issues, clearly affect how beneficially someone can respond to stress.  

3. So is there a way to harness stress to your advantage while being mindful of its detrimental long-term effects? One key factor is to avoid, whenever possible, the point when stress leads to mental and physical collapse. Crystal Wernicke, 30, has always used stress as a motivator. But juggling between parenting, a full-time job, a voluntary role and financial troubles at the same time became too much and eventually led to a two-month period of illness. Another factor is the presence of control. For those who feel powerless over their situation, stress is unlikely to be beneficial. But with some autonomy over stressful tasks, we are better able to convert that pressure into higher performance.

4. When it comes to stress and how it affects your performance, it’s helpful to recognize the variations in personality, type of stress and task that affect the level of pressure you are under, as well as understanding tools you can use to control and harness that stress. Ultimately, it’s not helpful to take a one-sided view, either demonizing or glorifying stress. As James C Quick, a management professor at the University of Texas, sums up: “Stress can be the kiss of death as well as the spice of life.”

What is “detrimental” in paragraph 3 closest in meaning to?

Cho tứ diện ABCD. Gọi G là trọng tâm tam giác ABD. Trên cạnh BC lấy điểm M sao cho MB = 2MC. Chọn khẳng định đúng: 

Read the following passage about Renewable energy sources 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] Renewable energy sources, such as solar, wind, and hydroelectric power, have gained global popularity as a sustainable alternative to fossil fuels. [II] Unlike coal and oil, renewable energy generates electricity without releasing harmful emissions, making it a cleaner option for the environment (Jacobson et al., 2017). [III] However, despite the advantages of renewable energy, there are still notable challenges that need to be addressed for it to fully replace traditional energy sources (Ell Abban et al., 2014). [IV]

          One major advantage of renewable energy is its sustainability. Renewable resources, unlike fossil fuels, are naturally replenished and do not deplete over time. For instance, solar power harnesses energy from sunlight, which is virtually endless. In addition, renewable energy contributes to reducing greenhouse gas emissions, which helps combat climate change. Many countries are increasingly investing in renewable technologies to decrease their carbon footprint and meet international climate goals.

          However, renewable energy has certain limitations. One significant issue is its intermittent nature; for example, solar and wind power depend on weather conditions, making it difficult to generate a consistent power supply. This variability can disrupt the energy grid, which relies on a steady supply of electricity to meet demand. Another challenge is the high initial cost of setting up renewable energy facilities. Although prices have decreased in recent years, installing solar panels or wind turbines still requires substantial upfront investment (IRENA, 2019).

          Despite these challenges, advancements in technology are gradually making renewable energy more efficient and accessible. Improved energy storage systems, such as batteries, allow excess power generated during favourable conditions to be stored and used later, ensuring a more reliable energy supply. As technology and infrastructure improve, renewable energy may eventually.

Which of the following best summarizes the passage?

Each of the following sentences has one error (A, B, C, or D). Find it and blacken your choice on your answer sheet.

Halley’s comet, who was viewed through a telescope, was quite impressive.

Đâu là ý đúng: Theo chức năng, người ta chia mạch điện tử điều khiển làm mấy loại?

Cuộc cách mạng nào dưới đây trở thành cốt lõi của cuộc cách mạng khoa học- công nghệ diễn ra từ những năm 70 của thế kỉ XX? 

Cho hàm số $f\left(x\right)$ liên tục trên $\mathrm{ℝ}$ sao cho $xf\left(x^3\right)+f\left(1-x^2\right)=-x^8+2x^5-3x,\forall x\in \mathrm{ℝ}$. Khi đó tích phân ${\int }_{-1}^{0}f\left(x\right)dx$ bằng?

Sử học góp phần bảo tồn di sản bằng biện pháp nào sau đây?

Ở một nơi có gia tốc rơi tự do là g, một con lắc đơn có chiều dài l, dao động điều hòa. Tần số dao động là

Một trong những biểu hiện của tính cộng đồng thị tộc là gì?

Xét theo phạm vi không gian, cà phê Việt Nam được bán ở những thị trường nào?

Đoạn văn miêu tả cảnh Đăm Săn múa khiên có sử dụng biện pháp nghệ thuật nào?