Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-98

Have you ever wondered how we (21) __________ hear the world around us? From the melody of a song to the warning of a car horn, our sense of hearing is constantly working. The process begins with sound waves, which are invisible vibrations that travel through the air. The outer part of the ear, called the pinna, is shaped specifically to collect these waves and guide them into the ear.

Once collected, these waves travel down a narrow passage called the ear canal. At the end of the canal, they reach the eardrum, a thin piece of skin stretched tight like a drum. When the sound waves hit the eardrum, they cause it to vibrate. These vibrations are then passed to three tiny bones in the middle ear, the smallest bones in the human body. These tiny bones then play an important role by amplifying the vibrations.

After that, the amplified vibrations are passed to the cochlea, a spiral-shaped organ in the inner ear that is filled with fluid. The movement of the bones creates waves in this fluid. The cochlea’s structure is so (22) __________ that it can distinguish between different frequencies, which is how we can tell high-pitched sounds from low-pitched ones.

Inside the cochlea are thousands of microscopic hair cells. As the fluid moves, it bends these tiny hair cells. Some sounds create bigger waves than others, leading to (23) __________ signals being sent to the brain. The hair cells convert the mechanical vibrations of the sound wave into electrical signals. This is the crucial step where sound becomes a message the brain can read.

Only after these electrical signals are sent along the auditory nerve to the brain do we actually perceive the sound. The brain then interprets these signals, allowing us to recognize them as speech, music, or noise. (24) __________, the process of hearing is a remarkable and complex journey from a simple wave in the air to a meaningful sound in our minds.

It's a familiar scenario for many students: a pile of homework from multiple subjects, deadlines looming, and exhaustion setting in. In places like Vietnam, where significant assignment volume is common, the pressure can feel immense. At such times, simply copying a friend's completed work can seem like an incredibly tempting shortcut, offering immediate relief. [I] But before yielding to that quick fix, it's crucial to consider the true implications.

While copying might provide temporary escape, it immediately raises serious questions about academic integrity. Educational institutions worldwide have clear, strict rules against plagiarism – presenting someone else's work as your own. Whether it’s an essay or a math problem, copying is cheating. [II] Getting caught can lead to severe consequences, from failing grades to suspensions, damaging your academic record and reputation. The perceived benefit of saving a few minutes quickly pales compared to these potential repercussions.

Beyond disciplinary risks, the most significant drawback of copying homework is losing out on genuine learning. Homework isn't just about ticking a box; it's a vital part of the learning process. It provides an opportunity to practice new concepts, identify struggles, and solidify understanding through repetition. [III] When you copy, you bypass this crucial engagement. You might submit a perfect answer, but your brain hasn't wrestled with the problem or absorbed the material for true comprehension.

This lack of genuine engagement has significant long-term effects. Consistently copying prevents you from building fundamental knowledge and problem-solving skills for future challenges. Imagine an important exam requiring you to apply concepts you glossed over. Your understanding will be shallow, leading to poor performance. Moreover, relying on others stunts your intellectual growth and self-reliance. You miss the satisfaction of independent achievement and fail to develop the resilience to tackle difficult tasks. [IV]

So, is copying homework ever a good idea? Unequivocally, no. While assignment pressure can be overwhelming, especially with multiple subjects, more constructive approaches exist. If struggling or swamped, talk to your teachers, ask classmates for help, or prioritize tasks. Even an imperfect attempt at your own work is infinitely more beneficial than a perfectly copied one. Doing your own work, despite the effort, builds true understanding, fosters critical thinking, and prepares you much better for academic success and life's challenges.