Một vật dao động điều hòa với phương trình li độ là $x=2\cos\left(2\pi t-\dfrac{\pi}{2}\right)$ ($x$ tính bằng cm, $t$ tính bằng s) thì gia tốc của vật biến đổi theo phương trình nào dưới đây?

Choose the word whose stress pattern is different from that of the others.

Một trong những tín ngưỡng truyền thống tốt đẹp của người Việt được phát huy ở các thế kỉ XVI đến XVIII là

Cho hình chóp $S . A B C D$ có đáy $A B C D$ là hình bình hành. Đặt $\overrightarrow{S A}=\overrightarrow{a} ; \, \overrightarrow{S B}=\overrightarrow{d} ; \, \overrightarrow{S C}=\overrightarrow{c}$; $\overrightarrow{S D}=\overrightarrow{b}$. Khẳng định nào sau đây đúng?

Trong không gian $Oxyz$, cho đường thẳng $d:\left\{ \begin{aligned}& x=1-3t \\& y=2+t \\& z=-1 \end{aligned} \right.$. Sin của góc giữa đường thẳng $d$ và mặt phẳng $(Oxz)$ bằng:

Read the following announcement 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 1 to 6.

Vietnam International Art Exhibition 2025-A Landmark Cultural Event

Taking place from July 25th to 29th at the International Centre for Exhibition in Hanoi, the Vietnam International Art Exhibition 2025 will showcase over 100 famous galleries (1) _______ are derived from global art capitals alongside Vietnam’s (2) _______ art institutions.

Visitors will gain exposure to a wide (3) _______ of oil paintings, sculptures, digital art, and mixed media, blending traditional and contemporary styles. The event will also feature live art demonstrations and insightful discussions (4) _______ by famous artists and curators, offering a deeper understanding of modern artistic trends. 

This exhibition is a unique opportunity for (5) _______, investors, and art enthusiasts to discover emerging talents and (6) _______ some artworks. Don't miss this incredible celebration of artistic expression!

For more information, visit https://vniae.com/.

(Adapted from https://english.vov.vn)

Choose the best answer for number 5:

Read the following passage about beginning a lifelong journey 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.

Lifelong learning is the continuous pursuit of knowledge and skills throughout a person's life. In today's world, where technology is evolving rapidly, lifelong learning is essential for both personal growth and career development. But just how does one go about becoming a lifelong learner?

The first step in becoming a lifelong learner is to develop a growth mindset. This means believing that your abilities can be developed through hard work, dedication and commitment. Embrace challenges, view mistakes as opportunities to learn, and be open to new ideas and perspectives. Adopting a growth mindset will help you approach learning with a positive attitude and a desire to improve.

Setting achievable goals is also an important part of lifelong learning. Goals give direction and motivation to your learning journey. First, identify areas of interest and choose specific skills or knowledge that you want to develop. Second, break your goals down into smaller, more manageable tasks and track your progress. Finally, celebrate your accomplishments along the way to stay motivated.

People learn in different ways, so it's also essential that you find the methods that work best for you. You can do this by trying out a variety of different learning methods, such as reading, watching videos, attending lectures and engaging in hands-on practice. At the same time, you should also experiment with different learning tools and techniques until you find what works best for you. Becoming a lifelong learner is a continuous process that requires dedication and effort. Developing a growth mindset, setting achievable goals, and using a variety of learning methods are essential steps to becoming a successful lifelong learner. By embracing learning as a lifelong journey, you will continue to grow, develop new skills, and stay relevant in today's ever-changing world.

(Adapted from Bright)

In which paragraph does the writer fully express the steps for achieving success as a lifelong learner?

Nhân tố nào đã ảnh hưởng đến lượng cung hàng hóa trên thị trường trong thông tin dưới đây?

"Trước tình hình biến động của giá dầu thế giới tăng cao, Chính phủ đã thực hiện chính sách giảm mức thuế bảo vệ môi trường đối với các mặt hàng xăng, dầu. Điều đó sẽ góp phần giảm chi phí sản xuất, hạ giá thành sản phẩm, giúp các doanh nghiệp mở rộng sản xuất kinh doanh tăng lượng cung".

Read the following passage about The Key to a Fulfilling Life 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 fast-paced world, the importance of maintaining a healthy lifestyle cannot be overstated. (18)_________. For instance, those who engage in physical activities regularly often experience increased energy levels and improved mental well-being. 

Moreover, research shows that (19)_________. Healthy habits, such as drinking plenty of water and getting enough sleep, contribute significantly to overall wellness. 

(20)_________. It is essential to find activities that you genuinely enjoy, as this will make it easier to stay committed.

For example, many people find that yoga helps them manage stress while improving their flexibility. (21)_________. (22)_________.

In conclusion, making small changes to your daily routine can lead to significant improvements in your health and happiness. Embracing a healthy lifestyle is not just a trend; it’s a lifelong commitment to yourself.

Đồ thị bên dưới mô tả sự thay đổi vận tốc theo thời gian trong chuyển động của một vật đang chuyển động từ A đến B. Gia tốc của ô tô từ giây thứ 20 đến giây thứ 28 là bao nhiêu?

Hệ nhị phân dùng những chữ số nào dưới đây?

Số 123.75 đang ở hệ thập phân khi đổi sang hệ nhị phân sẽ cho kết quả như thế nào?

Read the following advertisement 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 1 to 6.

Discover the Future of Tech with SmartGadgets

• Experience (1)___________like never before with our smartphones that redefine connectivity.

• Our (2)_____________ will enhance your daily life and keep you ahead of the curve.

• Join thousands of customers (3)________with their purchases and enjoy unparalleled performance.

• Show the features (4)_________ your customers that truly set you apart from the competition.

• Don’t miss out on this (5)_______-in-a-lifetime opportunity to upgrade your tech.

• Start (6)_________the benefits of advanced technology today, or wait for the future to catch up!

With SmartGadgets, you're not just purchasing a product; you're investing in a lifestyle. Explore our collection now!

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. Pete: Oh, I’m so sorry, Anna! I didn’t realize it was a problem. I’ll step outside right away.

b. Anna: Excuse me, Pete, but the smell of smoke in this room is really bothering me. Could you please not smoke here?

c. Anna: Thank you, I appreciate it. It’s just that the smoke makes it hard for me to breathe.

Tiền đề về chính trị của các cuộc cách mạng tư sản là

Bản chất của quá trình mã hóa thông tin là

Bão ở nước ta tập trung nhiều nhất vào tháng nào sau đây?