Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-125

The creation of honey is one of nature's most fascinating processes, performed by honeybees with remarkable efficiency. These insects work together in a large community called a hive. First, a group of forager bees leaves the hive to collect nectar, a sweet liquid found inside flowers. They fly from flower to flower, using their long tongues to drink the nectar and store it in a special stomach just for this purpose. This task requires a lot of energy and precision.

After collecting enough nectar, the forager bee returns to (21) __________ hive. Back inside, the forager bee passes the nectar to a younger worker bee. This is done through a mouth-to-mouth process where the nectar is mixed with enzymes from the bee's glands. These enzymes begin to break down the complex sugars in the nectar into simpler ones, which is a crucial first step in making honey.

The worker bees then deposit the nectar into a honeycomb, which is a structure made of wax cells. (22) __________ preserve the honey for long periods, the bees need to reduce its water content. To do this, the bees keep fanning their wings very quickly to create a constant airflow over the honeycomb. This breeze helps the water in the nectar evaporate, making the liquid thicker and more concentrated.

As the water evaporates, the nectar gradually (23) __________ honey. A beekeeper once explained that if you listened closely, you (24) __________ hear the constant humming sound of this process. The final product is a thick, sweet liquid that is resistant to bacteria. Of course, the process is not always easy. If a bee did not find enough nectar on a trip, it would not have the energy to return successfully to the hive, showing how important each step is.

Finally, once the honey is ready, the bees seal the honeycomb cell with a cap of wax. This keeps the honey clean and safe until it is needed for food during the winter. This entire amazing process shows that many hands make light work. It is a perfect example of how teamwork in the natural world can achieve incredible results.

Organ transplantation stands as one of humanity's most extraordinary medical triumphs. It represents the pinnacle of surgical skill, demanding meticulous precision, unwavering dedication, and seamless teamwork from medical professionals. These life-saving procedures offer a second chance to patients grappling with organ failure, offering a renewed promise of life. Each is a testament to scientific ingenuity, pushing medical boundaries. Beyond the impressive technology, lies the profound bravery of both the patients and the physicians who embark on these high-stakes journeys.

[I] In 2004, Vietnam aimed to join nations capable of complex organ transplants. The nation's medical community, particularly at Military Hospital 103 in Hanoi, dreamed of Vietnam's first successful liver transplant. This was no small feat. [II] It seemed insurmountable, given the country's nascent surgical techniques and immense resource needs at the time.

Despite the daunting challenges, a dedicated team of Vietnamese surgeons and medical staff committed to this monumental task. They trained abroad with international experts, mastering intricate procedures. [III] Meticulous planning, scenario simulations, and protocol refinement consumed countless hours back home. This period was characterized by immense pressure and unwavering resolve. Their mission: save a life, elevate national medical capabilities, and demonstrate unparalleled bravery and perseverance.

Finally, on November 27, 2004, the culmination of years of preparation arrived. Inside the operating theatre at Military Hospital 103, the highly skilled team worked tirelessly for many hours. Every critical cut, stitch, and decision demanded incredible focus and coordination. [IV] The atmosphere was charged with tension and shared purpose as they meticulously replaced the diseased liver with a healthy one. When the complex surgery was successfully completed, it marked a monumental milestone not only for the patient, but for Vietnam's entire medical landscape, proving a miracle was possible.

This landmark achievement deeply resonated across Vietnam, inspiring new medical professionals and boosting healthcare confidence. The transplant's success paved the way for advanced surgeries and organ transplant development, significantly improving patient outcomes. For 14-15 year olds, this story vividly illustrates medicine's profound human impact. It showcases how dedication, continuous learning, and teamwork lead to life-changing breakthroughs, sparking interest in pursuing medical careers as doctors, nurses, or researchers who might one day perform their own miracles.