Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-129

Investing in a pair of high-quality, noise-canceling headphones has been a game-changer for my daily routine. (23) __________. (24) __________

The great ocean currents are like massive rivers that flow across the globe, playing a vital (25) __________ in regulating Earth's climate. These powerful movements of water are not random; they are driven by several key forces. One of the main forces is the wind. For example, surface currents are primarily pushed by strong winds, (26) __________ create large circular patterns called gyres.

Another important factor is water (27) __________. Cold, salty water is denser and sinks, while warmer, less salty water rises. (28) __________, when water near the poles gets very cold and freezes, the salt is left behind, making the remaining water much denser. This sinking water pulls more surface water from the equator, creating a continuous global 'conveyor belt'. This entire system, which moves heat around the world, has influenced weather patterns that people (29) __________ on for thousands of years. It (30) __________ that even small changes to these currents could have a huge impact on our climate.

In Vietnam, smartwatches are incredibly popular tech accessories. They promise to help people live healthier lives by allowing them to monitor key health metrics. These devices track everything from your daily steps and heart rate to your sleep quality, providing a constant stream of personal data. This information is meant to give you a clear picture of your current fitness level and daily habits.

For many teenagers, the motivational aspect of a smartwatch is its biggest benefit. Setting a daily goal, like walking 10,000 steps, and then seeing your progress on the screen can be a powerful encouragement to be more active. This visual feedback often pushes users to take the stairs instead of the elevator or go for an evening walk. It turns health into a game where you try to beat your own record each day.

However, simply owning a smartwatch does not guarantee a healthier lifestyle. For some users, the constant flow of data can cause stress or anxiety, especially if they fail to meet their goals. Furthermore, the information is only beneficial if it leads to actual changes in behavior. If a person sees they have poor sleep data but doesn't change their bedtime, the tracker isn't providing any real value.

Ultimately, a smartwatch is just a tool, not a magic solution. Its effectiveness depends entirely on the user's attitude. These gadgets can be powerful allies in your health journey if you use the information they provide to make conscious, positive decisions. The real challenge isn't just collecting data; it's using that data to build genuinely healthier habits for the long term.

Carbon offsetting sounds like a simple solution for companies wanting to reduce their environmental impact. They pay to fund projects, like planting trees, to balance out their pollution. But there's a growing problem. (37) __________. In some cases, money for trees is misused, or the trees are never planted at all. This lack of accountability makes it difficult to trust the system, (38) __________.

Furthermore, even when projects are genuine, their permanence is not guaranteed. (39) __________. This issue questions the long-term effectiveness of offsetting, (40) __________.

A. suggesting that reducing emissions directly is a much more reliable strategy

B. Investigations have revealed that many of these environmental promises are empty

C. A forest planted today could be cut down in a decade, releasing all the stored carbon back into the atmosphere

D. leaving consumers to wonder if their 'green' purchases are actually helping the planet