Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-08

Learning a new language is more than just memorizing vocabulary; it is a profound exercise in social development. The process refines our interpersonal abilities by forcing us to engage differently with the world. (23) __________. (24) __________

Crude oil, as it comes from the ground, cannot be used directly. It's a complex mixture of hundreds of hydrocarbons that must be refined. The first step in this refining is the (25) __________ of these different components. This process is known as fractional distillation and is essential for producing the fuels we use every day.

Inside a refinery, crude oil is heated until it becomes a hot vapor. This vapor enters the bottom of a tall tower which is cooler at the top. As the vapor rises, it cools and condenses at different levels. Lighter parts with lower boiling points rise the (26) __________, while heavier parts condense lower down. This method enables engineers (27) __________ various products like gasoline and diesel. (28) __________ is how a single raw material creates multiple fuels.

The entire refining system (29) __________ in our economy, powering transportation and industry. (30) __________, it’s a process of separating liquids by their boiling points, a key chemical principle applied on a huge scale.

The next generation of mobile internet, 5G, is arriving, and it promises to be more than just a minor speed upgrade. As the fifth generation of wireless technology, it offers speeds up to 100 times faster than 4G. This isn't just an improvement; it's a revolutionary step forward that could redefine how we interact with the digital world. The global rollout is creating excitement for a new era of connectivity.

For teenagers, the most immediate changes will be felt in daily digital life. Imagine downloading a full-HD movie in seconds, not minutes. With its extremely low latency—the delay before a data transfer begins—5G will make online gaming incredibly responsive and smooth. This also opens the door to high-quality cloud gaming services, allowing you to play complex games on your phone without needing powerful hardware.

In Vietnam, this future is getting closer. Major mobile carriers like Viettel and Vinaphone are actively expanding their 5G trial networks in large urban centers, including Hanoi and Ho Chi Minh City. While a nationwide network will take time to build, these initial rollouts are a crucial step. This means that residents in these cities will be the first to experience the significant performance boost that 5G provides.

Beyond faster downloads and better gaming, 5G is the foundation for future technologies. It will enable sophisticated Augmented Reality (AR) apps that can overlay digital information onto the real world through your phone’s camera. It will also support the Internet of Things (IoT), connecting everything from smart home devices to city infrastructure. The full impact of 5G is still unfolding, but it is set to change our smartphones and our world.

Many wellness influencers promote positive messages about self-care and mental wellbeing on social media. However, their platforms often showcase expensive products and seemingly perfect, stress-free lifestyles, (37) __________. This discrepancy presents a significant irony.

(38) __________. These influencers post pictures of luxurious holidays, flawless bodies, and organic meals, (39) __________. This constant exposure to unattainable standards can lead to feelings of inadequacy and anxiety, the very issues these influencers claim to help solve. (40) __________.

A. creating a paradox that can be harmful to their followers' self-esteem

B. while claiming to support mental health and authenticity

C. Therefore, it's crucial for followers to consume this content with a critical eye

D. The core of the problem lies in the perfectly curated images they present