Một vật có khối lượng 200g chuyển động tròn đều trên đường tròn có bán kính 50cm, với tốc độ dài 5m/s. Lực hướng tâm tác dụng vào vật là

“Phép quân điền”– chính sách phân chia ruộng đất công ở các làng xã được thực hiện dưới triều đại nào?

Read the following passage about studying abroad 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.

Successful students often do the followings while studying. First, they have an overview before reading. Next, they look for important information and pay greater attention to it (which often needs jumping forward or backward to process information). They also relate important points to one another. Also, they activate and use their prior knowledge. When they realize that their understanding is not good, they do not wait to change strategies. Last, they can monitor understanding and take action to correct or “fix up” mistakes in comprehension.

Conversely, students with low academic achievement often demonstrate ineffective study skills. [I] They tend to assume a passive role in learning and rely on others (e.g., teachers, parents) to monitor their studying. [II] For example, low-achieving students often do not monitor their understanding of content; they may not be aware of the purpose of studying; and they show little evidence of looking back or employing “fix-up” strategies to fix understanding problems. [III] Students who struggle with learning new information seem to be unaware that they must extend effort beyond simply reading the content to understand and remember it. [IV] 

Children with learning disabilities do not plan and judge the quality of their studying. Their studying may be disorganized. Students with learning problems face challenges with personal organization as well. They often have difficulty keeping track of materials and assignments, following directions, and completing work on time. Unlike good studiers who employ a variety of study skills in a flexible yet purposeful manner, low-achieving students use a restricted range of study skills. They cannot explain why good study strategies are important for learning; and they tend to use the same, often ineffective study approach for all learning tasks, ignoring task content, structure or difficulty.

Which word below is opposite in meaning to “ineffective”?

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

Những ký ức về phố Hàng Bột được tác giả Hồ Công Thiết trình bày một cách xúc động trong cuốn sách “Phố Hàng Bột truyện tầm phào mà nhớ”.

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. Anna: I’ve been busy with work and studies, but doing well. How about you?

b. Nick: I started a new project. It’s keeping me busy, but it’s rewarding.

c. Nick: Hey! It’s been a while. How have you been?

Quy trình thanh trùng sữa gồm mấy bước?

Diễn đàn hợp tác châu Á - Thái Bình Dương viết tắt là gì?

Read the following passage about Reducing Electronic Waste 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.

In today's hyper-connected world, our constant need for the newest electronic devices has led to a growing environmental crisis. Electronic waste, or e-waste, is one of the fastest-growing waste streams globally, with millions of tons discarded annually. A digital detox, (18)_________, can be an effective environmental practice that helps address this issue.

(19)_________, the current e-waste crisis might have been avoided. The devices that we carelessly discard often contain valuable materials that could be recycled and harmful components that contaminate soil and water. Many consumers replace functioning smartphones and laptops simply because newer models are available, not realizing the environmental impact of their decisions. The manufacturing process of new electronics requires significant resources and energy; (20)_________.

Practicing digital detox not only improves mental health but also decreases the demand for new products. (21)_________; however, if consumer demand decreases, production might slow down as well. Individuals who commit to using their devices for longer periods contribute significantly to waste reduction, and they often discover that older models fulfill their needs perfectly well.

The electronic waste problem requires both individual action and systemic change. We can create a world embracing sustainable principles, (22)_________, through our participation in digital detox practices and mindful consumption.

Xét vị trí tương đối của hai đường thẳng:

 d1: x – 2y + 1 = 0 và d2: – 3x + 6y – 10 = 0

Hãy nêu nguyên nhân dẫn đến sự xuất hiện chế độ tư hữu.

Nung vôi là quá trình nhiệt phân đá vôi (có thành phần chính là calcium carbonate) để sản xuất vôi sống. Phương trình hoá học nào mô tả đúng phản ứng của quá trình trên?

Read the following passage about managing 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. 

Growing up in Athens, Greece, Lydia Borsi remembers feeling tested when she tried to deal with mental health issues. Borsi says she had been seeing a therapist for anxiety. But she notes that people in Greece do not openly discuss mental health issues, which also get little attention in general healthcare services. “It was a lot more secretive. And people thought that I was a lot more unique,” Borsi said.

That all changed in 2017 when she moved to the United States to study at the University of Rochester in Rochester, New York. “When I came here, I really liked that people were not afraid to speak up about mental health and say that it’s important,” she said. The university was very supportive of her needs and offered plenty of information. She also became involved with a school group called Active Minds that helps students deal with mental health issues. [A]

Then due to the spread of the novel coronavirus, the University of Rochester had to move all its classes and some of its mental health resources online. Luckily, Borsi was able to connect with a mental health expert outside the school, in the local community. [B]

But as many of her American friends returned home, Borsi was stuck. Greece had succeeded in limiting the spread of the virus within its borders, but flights there from the U.S. are barred until July. Also, the health crisis has put her plans to seek admission to medical school in Britain on hold. [C] And she is not alone.

[D] In April, Active Minds launched a survey of over 2,000 students at U.S. colleges and universities. The study found that over 80 percent of those asked said the coronavirus crisis had negatively affected their mental health. One in five said it has affected them severely.

Laura Horne, chief program officer at Active Minds, says the findings are especially troubling given that the crisis is only going to make it harder for colleges and universities to help these students. “Colleges and universities had to pivot rather quickly to respond to COVID-19 and figure out all facets of university life, including mental health services. Now they have to figure out how to communicate with students,” Horne said.

Frank Chen is a Houston, Texas-based psychiatrist who has worked with college-age young adults. He points out that individuals at that age are in an important stage of their mental development. And college can be a difficult experience for students with or without mental health issues, as they balance work, studies, and personal relationships. Adding a major world event, like the spread of the coronavirus, makes it very difficult to predict what the long-term psychological effects might be. “I don’t think that there’s another event in the history of the people who are alive now that can really measure up to this,” said Chen.

The word ‘barred’ in paragraph 4 is closest in meaning to

Tin học đóng vai trò quan trọng trong sự phát triển của xã hội hiện đại, ảnh hưởng đến hầu hết các lĩnh vực từ giáo dục, y tế đến kinh doanh và chính phủ. Công nghệ thông tin giúp tối ưu hóa quy trình làm việc, nâng cao hiệu suất và tiết kiệm thời gian. Nhờ có Internet và các ứng dụng số, con người dễ dàng truy cập thông tin, giao tiếp và hợp tác trên toàn cầu. Bên cạnh đó, tin học còn góp phần vào việc phát triển các giải pháp thông minh cho các vấn đề xã hội, từ quản lý tài nguyên đến bảo vệ môi trường. Cuối cùng, tin học cũng thúc đẩy việc hình thành các kỹ năng mới, đáp ứng nhu cầu của thị trường lao động trong kỷ nguyên số.

Dưới đây là một số ý kiến về thông tin trên:

Cương lĩnh chính trị đầu tiên (đầu năm 1930) xác định tính chất cuộc cách mạng giải phóng dân tộc ở nước ta là

Các chất bán dẫn loại P và loại N chế tạo:

Người tiêu dùng thường có xu hướng mua nhiều hàng hóa và dịch vụ khi nào?

Biết rằng \(F\left( x \right)=\text{ln}\left| 2x+1 \right|\) là một nguyên hàm của hàm số \(f\left( x \right)=\frac{2}{2x+1}\). Cho \(\int\limits_{0}^{4}{\frac{dx}{2x+1}}=\text{ln}S\). Khi đó giá trị của \(S\) là:

Cho hình chóp \(S.ABCD\). Giao tuyến của mặt phẳng \(\left( SAB \right)\) và mặt phẳng \(\left( SAD \right)\) là đường thẳng

Công nghệ thứ tư trong lĩnh vực điện – điện tử được đề cập đến là:

Hình thức hoạt động của Việt Nam Quang phục hội trong thời gian chiến tranh thế giới thứ nhất là

Vật nuôi chuyên dụng là gì ?