Trong 20 giây cuối cùng, mỗi giây người đó bơi được bao nhiêu mét? Tính vận tốc của người đó ra m/s.

Chọn từ/ cụm từ thích hợp nhất để điền vào chỗ trống trong các câu dưới đây.

Cơ cấu dân số nước ta có sự chuyển biến theo hướng: ______ nhóm tuổi 0 – 14 tuổi giảm trong khi nhóm tuổi 15 – 59 và nhóm trên 60 tuổi ______ .

Chủ thể nào cần phải có trách nhiệm đối với sự phát triển bền vững của xã hội; lựa chọn, tiêu dùng hàng hoá có nguồn gốc, xuất xứ rõ ràng; phê phán hành vi trái pháp luật trong hoạt động kinh tế?

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”?

Chọn một từ/ cụm từ mà nghĩa của nó KHÔNG cùng nhóm với các từ/ cụm từ còn lại.

Khi sử dụng tình thái từ, cần chú ý điều gì?

Toàn bộ các khoản thu, chi của Nhà nước được dự toán và thực hiện trong một khoảng thời gian nhất định do Cơ quan nhà nước có thẩm quyền quyết định để bảo đảm thực hiện các chức năng, nhiệm vụ của Nhà nước được gọi là gì?

Chọn ý đúng: Loại bào quan nào sau đây được gọi là túi tự tử?

Người mua và sử dụng hàng hoá, dịch vụ để thoả mãn, lựa chọn sản phẩm và phương thức mua hàng phù hợp với nhu cầu của cá nhân gọi là gì?

Read the following passage about Global Challenges Requiring Diverse Solutions 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.

Climate change affects everyone on our planet, but different communities experience its impacts in unique ways. (18)_________. This traditional wisdom, which connects deeply with nature, can help us find better solutions to environmental problems. If we had started addressing climate change earlier, many environmental disasters could have been prevented. The effects of global warming are now visible in many regions around the world, from melting ice caps to increasing droughts and floods. These changes threaten not only ecosystems but also cultural practices tied to specific environments. Many coastal communities (19)_________, and ancient cultural sites are being damaged by extreme weather events. When diverse communities work together, sharing their unique perspectives and knowledge, innovative climate solutions emerge. Different cultural approaches to agriculture, water conservation, and energy use can inspire new ways of thinking about sustainability. Climate solutions must be culturally appropriate; (20)_________. By combining traditional wisdom with modern science, we create more effective strategies for addressing climate challenges. Communities around the world are already implementing these multicultural approaches, demonstrating (21)_________. People want immediate action on climate change; however, governments often move slowly on environmental policies. Scientists study climate patterns and develop new technologies, (22)_________. The path forward requires collaboration across cultures, disciplines, and borders. Only through inclusive dialogue and shared responsibility can we build a sustainable future that honors both human diversity and our common home.

Diện tích phần sạch sọc trong hinh vẽ bằng?

“Ao thu lạnh lẽo nước trong veo,

Một chiếc thuyền câu bé tẻo teo.

Sóng biếc theo làn hơi gợn tí,

Lá vàng trước gió khẽ đưa vèo.”

(Nguyễn Khuyến, Câu cá mùa thu)

Không gian được gợi tới trong văn bản trên là

Read the passage carefully. Choose an option (A, B, C, or D) that best answers each question from to 646 to 650:

1. 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.

2. The explosion in mobile phone use around the world has made some health professionals worried. Some 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.

3. 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.

4. 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.

5. 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 closet in meaning to?

Khi quyết định các vấn đề quan trọng của địa phương Uỷ ban nhân dân hoạt động theo nguyên tắc nào?

Lĩnh vực nào không thuộc an ninh phi truyền thống?

Cho dãy số \(\left( {{u}_{n}} \right)\) là một cấp số cộng có \({{u}_{1}}=3\) và công sai \(d=4\). Biết tổng của \(n\) số hạng đầu tiên của dãy số \(\left( {{u}_{n}} \right)\) là \({{S}_{n}}=253\). Giá trị \(n\) bằng

Con hãy lựa chọn đáp án Đúng hoặc Sai

Nội dung sau về câu thơ mở đầu của bài thơ Tự tình, đúng hay sai?

Câu thơ mở đầu đã gợi buồn, cái buồn gợi ra từ sự tĩnh lặng của đêm khuya. Tiếng trống không gần (văng vẳng) mà vẫn nghe thấy cái nhịp vội vàng, gấp gáp, ấy là vì tiếng trống gợi bước đi của thời gian, gợi sự tàn phá và nó là tiếng trống được cảm nhận bằng tâm trạng.

Lịch sử là gì?

Tụ điện là

Chủ thể sản xuất cần có trách nhiệm gì sau đây?