Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-118

(23) __________. The journey tested my limits in every way imaginable, pushing me both physically and mentally. (24) __________

Have you ever wondered how a QR code works? At (25) __________, a QR code seems like just a random pattern of black and white squares, but it actually holds a surprising amount of information. QR, which stands for 'Quick Response', highlights how these codes are designed to be read quickly by a device like your smartphone. In fact, they can store significantly (26) __________ information than the traditional barcodes you see on products at the supermarket.

The process is quite clever. A camera or scanner captures the image, and special software analyzes the unique pattern. This allows the device (27) __________ the hidden data, which could be anything from a website link to Wi-Fi login details. The (28) __________ of the data happens almost instantly. Once the pattern is decoded into readable text or a command, the information is presented to the user. (29) __________ means you can access a menu or pay for a coffee in seconds. It’s no surprise that QR codes have become an essential tool to (30) __________ our digital lives.

Living in a hot, humid climate like Vietnam's often means a daily battle to stay comfortable. Traditional fabrics like cotton absorb sweat but dry slowly, leaving you feeling sticky. Polyester, on the other hand, doesn't breathe well. For years, these were the main choices for everyday clothing. However, material science is now offering a high-tech solution to this common problem, moving beyond the limits of conventional textiles.

The secret lies in 'smart textiles' designed specifically for cooling. These innovative fabrics work in two main ways. First, they have excellent moisture-wicking properties, meaning they pull sweat away from the skin to the fabric's surface where it can evaporate quickly. This process mimics the body's natural cooling system but enhances it. Second, some advanced materials can manage thermal radiation, allowing the heat our bodies produce to escape more efficiently into the environment.

The benefits of these cooling fabrics are clear. They provide superior comfort during hot weather, making daily activities more pleasant. Furthermore, by helping people stay cool, these textiles could potentially reduce the reliance on air conditioning, leading to energy savings. While these high-tech materials are often more expensive than cotton or polyester, their popularity is growing as more people recognize their advantages. Local brands in Vietnam are also starting to incorporate these fabrics into their collections.

The future of clothing in warm climates looks promising. As technology improves and becomes more affordable, we can expect to see more of these smart textiles in our wardrobes. From school uniforms to office wear, science is paving the way for a future where our clothes actively help us beat the heat, making everyday life in places like Vietnam significantly more comfortable.

The idea behind school uniforms is to create a level playing field, where students are judged on their character, not their clothes. This policy aims to reduce peer pressure and bullying related to fashion choices, (37) __________. By dressing everyone the same, schools hope to minimize the visible signs of wealth or poverty among students.

However, human nature often finds a way to re-establish social hierarchies. (38) __________. Instead, they reappear in more subtle forms. (39) __________, which are not covered by the uniform policy. Ultimately, while uniforms can reduce overt clothing-based competition, (40) __________.

A. Even with uniforms, status symbols don't disappear entirely

B. they do not completely solve the issue of social status displays in schools

C. making school a more focused learning environment

D. Students might compete over branded backpacks, expensive sneakers, or the latest smartphones