Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-163

Blood is an essential fluid that circulates throughout our bodies, delivering necessary substances like nutrients and oxygen to tissues. It is a complex mixture, but two of the most important components are red blood cells and white blood cells. Each type has a unique and vital mission to perform.

Red blood cells, also known as erythrocytes, have a very specific job. They are (21) __________ for transporting oxygen from the lungs to the rest of the body. This critical task is possible because they contain a special protein called hemoglobin, (22) __________ gives them their characteristic red color. In terms of numbers, there are many more red blood cells than any other type of cell, making up about 45% of the blood's total volume.

White blood cells, or leukocytes, have a completely different purpose. Their primary role is to protect the body against illness and disease. As key players in the immune system, they actively fight infection by attacking bacteria, viruses, and other harmful invaders. Unlike red blood cells, they do not contain hemoglobin, are generally larger in size, and have a nucleus.

The differences between these two cell types are significant. Red blood cells focus on oxygen delivery and are incredibly numerous. (23) __________, white blood cells act as the body's defenders and are much fewer in number. A healthy body maintains a careful balance between them, and a major change in this ratio can affect a person's overall health.

In conclusion, even though their functions are distinct, both red and white blood cells (24) __________ a crucial role in keeping us healthy. They are teammates in the circulatory system, and understanding their different jobs helps us appreciate the amazing and complex way our bodies operate to sustain life.

Reality television captivates audiences worldwide, offering a seemingly unscripted glimpse into ordinary lives. From competitive talent shows to dramatic relationship series, the genre thrives on unexpected twists and emotional confrontations. This popularity, however, is often shadowed by a persistent question: how much is truly spontaneous, and how much is meticulously crafted for entertainment? The line between genuine reality and constructed drama has blurred, prompting viewers globally to ponder their favorite shows' authenticity. [I]

Producers of reality TV are masters of storytelling, even without a script. They employ various techniques to create compelling narratives. [II] This often involves strategic casting, pairing individuals likely to clash or bond intensely. Extensive editing transforms hours of raw footage into dramatic storylines, amplifying reactions. Participants might also be subtly prompted with questions or scenarios designed to elicit strong emotions, pushing them towards confrontations or confessions that appear organic but are guided. These interventions are critical for shaping the narrative flow and ensuring viewer engagement.

This authenticity debate resonates strongly with Vietnamese viewers, particularly concerning popular shows like 'Người Ấy Là Ai?' (Who is Single?). This hit show, known for its emotional confessions and dramatic reveals, frequently sparks fervent discussions on social media. Many viewers, while entertained, express skepticism about whether tearful testimonies, sudden declarations of love, or shocking betrayals are entirely genuine or manufactured. The intense emotional arcs often seem almost too perfect, leading audiences to question the true spontaneity of moments presented on screen. [III]

The primary reason for this theatrical manipulation is simple: entertainment sells. Producers understand compelling drama translates directly into higher ratings and revenue. While reality TV aims to capture unfiltered life, commercial imperatives often necessitate intervention. Not every moment is fabricated; genuine emotions do occur. However, these raw moments are frequently amplified, recontextualized, or placed into pre-determined narrative arcs to maximize their dramatic effect, keeping audiences hooked. This careful curation ensures consistent viewership and advertiser interest. [IV]

For young viewers, especially those aged 14-15 who discuss these shows, understanding the mechanics behind reality TV is crucial. Recognizing that what appears on screen is a carefully curated product, not a raw slice of life, empowers them to become critical media consumers. This awareness fosters healthy skepticism, encouraging them to question narratives, analyze editing, and appreciate how entertainment is constructed. By peeling back the layers of "reality," they gain valuable media literacy, learning to distinguish between genuine human experience and performances for the camera.