Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-166

The law requiring drivers to stop for a school bus with flashing red lights is one of the most important traffic safety rules. This regulation is not just about avoiding a ticket; it's about protecting the most vulnerable pedestrians: children. (23) __________. (24) __________

Have you ever considered the importance of saliva? While most people don't give it much thought, it has (25) __________ surprising functions essential for our health. Saliva is mostly water, but it also contains important enzymes. One of these, amylase, immediately starts to (26) __________ the carbohydrates in our food. This is the very first step of digestion. (27) __________, without this initial chemical process, our stomachs would have to work significantly harder. Saliva also lubricates food, making it easier to chew and swallow.

The protective (28) __________ of saliva on our teeth is also remarkable. It helps wash away food particles and neutralizes harmful acids from bacteria. If our bodies didn't produce saliva, eating (29) __________ an uncomfortable and even painful experience. This vital fluid is truly indispensable (30) __________ maintaining a healthy digestive system, from the moment food enters our mouth.

Most of us think of kindness as something we do for others, but what if it was also one of the best things we could do for ourselves? Scientific research suggests that being kind is not just a nice gesture; it is a powerful way to improve our own mental and physical health. Performing an act of kindness often gives us a feeling known as the 'helper's high', which boosts our mood and makes us feel happier and more energetic.

The science behind this is fascinating. When we are kind to someone, our brain releases chemicals like serotonin (the 'happy chemical') and oxytocin (the 'love hormone'), which create feelings of connection and well-being. At the same time, being kind can lower levels of the stress hormone, cortisol. The positive effects are not just temporary; by practicing kindness regularly, we can contribute to long-term improvements in our overall mood and resilience to stress.

Integrating kindness into our lives can happen in many ways, from small, personal actions to larger, community-focused efforts. Small acts might include helping a classmate who is struggling with homework, offering a sincere compliment, or simply listening to a friend who needs to talk. Larger acts could involve participating in a charity fundraiser for flood victims, a common example of the 'tương thân tương ái' spirit in Vietnam, or volunteering at a local community center.

Ultimately, kindness is a win-win situation. It not only supports the person receiving it but also significantly benefits the giver's health. By making small, kind actions a part of our daily routine, we can reduce our own stress, improve our mood, and help create a more positive and supportive environment for everyone at school and in our communities. It is a simple habit with powerful results.

The debate over open-book exams is a modern educational challenge. Supporters claim these tests mirror real-world problem-solving, where professionals use resources to find answers. (37) __________. However, critics worry that students may become too reliant on search engines, (38) __________.

Therefore, the design of the questions is crucial. They must demand more than simple fact-finding; they should require students to apply, analyze, and synthesize information from their materials. (39) __________. In the end, the true test is not whether students can find an answer, but whether they can use that answer to build a logical argument, (40) __________.

A. A well-designed exam achieves this by posing complex problems

B. turning the test into a measure of speed rather than genuine knowledge

C. They argue that this approach reduces exam stress and promotes deeper understanding

D. demonstrating a true mastery of the subject