Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-23

(23) __________. This skill is not about being unhelpful; it's about strategic self-preservation that allows you to protect your most valuable resources: time and energy. (24) __________

Have you ever thought about why you have different kinds of teeth? Each one is part of a team, and they (25) __________ a crucial role in digestion. Humans have four main types of teeth: incisors, canines, premolars, and molars. Each type has a specific job, from cutting to grinding. (26) __________ is why we can eat so many different kinds of food, from soft fruits to tough nuts.

The eight incisors at the front of your mouth are for biting into food. Next to them are the canines, which are the (27) __________ of all your teeth, perfect for tearing food. The main (28) __________ of the bigger teeth at the back—the premolars and molars—is to crush and grind. They are responsible for (29) __________ everything down into small, swallowable pieces. This teamwork makes digestion much easier for your stomach. Therefore, remember the old saying about taking care of them: an ounce of prevention is (30) __________ a pound of cure.

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 rise of online shopping has introduced a major convenience: easy return policies. However, this has led to a wasteful phenomenon called 'bracketing', which is the habit of (37) __________, with the full intention of returning most of them. Shoppers feel more confident making these large purchases, (38) __________.

While this seems harmless, it has significant downsides. Many returned items are not simply put back on the shelf. This process creates a logistical challenge for retailers, (39) __________. More alarmingly, these products often cannot be resold as new and end up in landfills, (40) __________.

A. knowing they can easily send back what they don't want

B. contributing to a growing stream of packaging and transportation waste

C. ordering multiple sizes or colors of the same item

D. which increases their operational costs significantly