Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-148

(23) __________ This layered perspective offers a unique story of the city. (24) __________

Have you ever wondered where fabrics like nylon come from? Unlike cotton or wool, which are natural, nylon is a synthetic material made entirely (25) __________ chemicals. Scientists first developed it in the 1930s. Since then, (26) __________ other man-made textiles have been invented, but nylon remains one of the most popular. The (27) __________ reason for its popularity is its strength and low cost.

The creation of nylon is a fascinating chemical procedure. Scientists start with chemicals from petroleum and then heat them under high pressure. This causes small molecules to link together, forming long chains called polymers. (28) __________, a new, strong, and elastic material is born. The scientists who first invented nylon had to (29) __________ a completely new method to achieve this. It was a revolutionary breakthrough in material science.

Imagine a world without these strong, affordable materials. If synthetic fabrics didn't exist, the clothes we wear every day (30) __________ much more expensive and less durable. Nylon's invention truly changed the textile industry forever.

The idea of a vacation often brings to mind airports and faraway destinations. However, a new trend called the "staycation" is becoming popular worldwide. A staycation is a holiday spent in your own country or city. People are choosing this option because it is more affordable, easier to organize, and better for the environment than traditional travel. It’s an adventure waiting right outside your door.

One of the biggest advantages of a staycation is the financial savings. Without expensive plane tickets or hotel bookings, you can enjoy a break without a large budget. Moreover, the planning is much simpler. Instead of spending weeks organizing a complex trip, a staycation can be a spontaneous weekend plan. This makes it a very convenient option for busy students and families seeking a quick escape from their daily routine.

In Vietnamese cities like Hanoi or Ho Chi Minh City, exploring your local area is easier than ever. With ride-hailing apps, you can effortlessly visit new neighborhoods. A staycation encourages you to be a tourist in your own town. This could mean discovering hidden cafes, visiting a small museum you’ve never noticed before, or exploring a local market. It’s about rediscovering places that might seem familiar but hold surprising secrets.

Ultimately, a staycation is less about where you go and more about your mindset. It's an opportunity to see your surroundings with fresh eyes and appreciate your hometown's unique character. For teenagers, it's a fantastic way to have fun with friends without a lot of money. A simple weekend exploring your own city can create lasting memories and a deeper connection to home.

In today's digital world, building brand loyalty is more complex than ever. For years, the common belief was that a superior product was the only thing that mattered. (37) __________. This traditional view, however, is being challenged.

The rise of social media has significantly shifted this perspective, (38) __________. Many modern brands now recognize that fostering a sense of community is incredibly powerful, (39) __________, and a strong community can lead to organic marketing and deeper emotional investment. (40) __________.

A. Ultimately, the most successful brands today skillfully combine an excellent product with a vibrant, engaged community

B. creating spaces where users can connect not only with the brand but also with each other

C. This meant companies focused almost exclusively on innovation and quality control

D. as it makes customers feel like they are part of something bigger