Đề ôn thi Đề thi vào lớp 10 Hà Tĩnh môn Tiếng Anh - Mã đề HTI-161

A wireless mouse is a common computer peripheral offering freedom from cables. Its working (24) __________ is based on light and radio waves. It uses a small LED to shine light onto the desk surface, and a tiny camera sensor takes thousands of pictures per second to track movement. The internal processor analyzes these pictures to detect even the slightest motion.

Each tiny change is translated into directional data. This data is then sent (25) __________ a tiny transmitter to a receiver plugged into the computer. (26) __________, the cursor on your screen moves in real-time. The whole operation is incredibly fast. If the technology (27) __________ so efficient, we would all notice a frustrating delay between our hand movements and the cursor's reaction. It's great that we no longer have to (28) __________ with tangled wires, and (29) __________ user can enjoy a tidier workspace.

In Vietnam, nothing beats the excitement of a football match with friends. It’s a fantastic way to stay active and have fun. However, a twisted ankle or a pulled muscle can quickly put you on the sidelines. These injuries are very common in amateur games, often because young players don't know the simple rules of sports safety. Understanding how to protect your body is the first step to making sure you can keep playing the game you love.

Before you even touch the ball, a proper warm-up is essential. This isn't just a quick jog; it involves dynamic stretches like leg swings and torso twists to prepare your muscles for intense activity. This process increases blood flow and makes your muscles more flexible, significantly reducing the risk of tears and sprains. Spending 10-15 minutes on a good warm-up is a small investment for an afternoon of safe, enjoyable sport.

During the game, playing smart is crucial. This means using the correct techniques, especially for actions like tackling, to protect both yourself and other players. Wearing the right protective gear, such as shin guards, is also non-negotiable. Most importantly, you must listen to your body. If you feel a sudden, sharp pain, stop playing immediately. Trying to play through a minor injury can easily turn it into a major one that requires weeks of recovery.

After the final whistle, don't just pack your bag and leave. Taking a few minutes to cool down is an important final step. A cool-down typically involves static stretching, where you hold a stretch for 20-30 seconds. This helps your muscles relax and aids in the recovery process, preventing soreness the next day. By following these three key stages—warming up, playing smart, and cooling down—you can stay healthy and ready for the next match.