Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-97

(23) __________. The entire scene created a powerful feeling of being in a small, warm world surrounded by a vast, wild universe. (24) __________

A lever is one of the simplest machines (25) __________ helps us do work. Its main (26) __________ is to make lifting heavy objects easier by multiplying force. A lever consists of a rigid bar and a pivot point. This pivot point (27) __________ the fulcrum. When you apply force, or effort, to one end of the lever, it moves an object, or load, at the other end.

The ancient Greek mathematician Archimedes understood this principle very well. He once famously (28) __________, "Give me a place to stand, and I will move the Earth." (29) __________, a seesaw on a playground is a perfect example of a lever. One child pushes down (effort) to lift another child (load). From crowbars to bottle openers, levers are everywhere and they continue to (30) __________ an important role in modern engineering and our daily lives.

The idea of walking 10,000 steps a day is a popular fitness goal around the world. You’ve probably seen it on smartphones or fitness trackers. This target has encouraged many people to pay more attention to their daily physical activity. For teenagers, who walk to school or around their neighborhoods, thinking about daily steps can be a simple way to connect daily routines with health and well-being.

The benefits of regular walking are clear. It's a low-impact exercise, meaning it’s gentle on your joints. It improves heart health, boosts your mood, and can help you maintain a healthy weight. One of the best things about walking is that it is very accessible; you don't need expensive gym memberships or special equipment. Because it requires no special gear, anyone can start anytime, anywhere.

However, is 10,000 the magic number? Research shows that the origin of this number was actually a marketing slogan from a Japanese company in the 1960s, not a scientific standard. While it's a good target, it's not a rigid rule. Experts now suggest that the intensity of the walk matters too. A shorter, faster walk can sometimes be more beneficial than a long, slow stroll. The key is consistency.

In Vietnam, this focus on community fitness is easy to see. On weekends, the streets around Hoan Kiem Lake in Hanoi are full of people walking and enjoying the fresh air. Ultimately, whether you hit 10,000 steps or not, the most important thing is to build a consistent habit of moving your body every day. It’s a simple, free, and effective way to invest in your long-term health.

In the digital age, we have endless information at our fingertips. This seems like a great advantage for learning, but it creates a paradox. Our constant access to data doesn't automatically make us more knowledgeable. Instead of diving deep into subjects, we tend to skim headlines and watch short videos, (37) __________. This quick, shallow consumption of information is a significant problem.

(38) __________. We also suffer from what is called 'digital amnesia'. (39) __________, our brains are less motivated to remember it. The result is that we often outsource our memory to our devices, weakening our own cognitive abilities. (40) __________.

A. Because we know we can easily look up information again

B. It prevents the brain from making the deep connections necessary for genuine learning

C. Therefore, mastering a topic requires conscious effort to disconnect and focus without distraction

D. gathering superficial facts rather than true understanding