Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-43

(23) __________ . These combined mental and social benefits explain why a direct link is often drawn between a city's public green spaces and the health of its population. (24) __________

Starfish, or sea stars, are fascinating marine animals. While they look simple, their method of eating is quite complex. They feed on clams and oysters, which have hard shells. A starfish has (25) __________ tiny tube feet on its arms, which it uses to grab onto a shell and pull it open just a tiny bit. If you could see this happen up close, you (26) __________ be amazed by its strength.

Once the shell is slightly open, the starfish does something incredible. It pushes its own stomach out of its mouth and (27) __________ the shell. This is possible because its stomach can turn inside out. The stomach then releases powerful chemicals that (28) __________ the soft body of the animal inside. (29) __________, after several hours, the meal is completely liquefied.

Finally, the starfish pulls its stomach back into its body, absorbing the nutrients. This unique method has a significant (30) __________ on its survival, allowing it to thrive in diverse marine environments.

In a world where academic success is often the main focus for teenagers, especially in Vietnam, it’s easy to think of hobbies as just a fun distraction. Many students believe they don't have time for anything other than homework and extra classes. However, this view is changing. A growing body of research shows that making time for 'play' is not a waste of time; it's a critical part of a healthy, balanced life.

The mental health benefits of having a hobby are significant. When your mind is full of formulas and facts, a hobby offers a crucial escape, helping to lower stress levels and prevent the burnout that can come from too much studying. Engaging in an activity you love, just for fun, is essential for emotional well-being. It allows your brain to rest and recharge, which can paradoxically improve your focus when you return to your schoolwork.

Hobbies can also be categorized into different types that develop different skills. 'Creative & Artistic' hobbies, such as painting, playing the guitar, or writing stories, are excellent for boosting imagination and self-expression. On the other hand, 'Strategic & Logical' hobbies, like coding, playing chess, or solving complex board games, sharpen your problem-solving abilities and critical thinking. This escape from academic pressure provides more than just a temporary break; it builds valuable life skills.

This understanding is growing in Vietnam's big cities. The rise of board game cafes in Hanoi and pottery workshops in Ho Chi Minh City shows that more people are seeking balance. So, instead of seeing a hobby as something that takes time away from studying, view it as an investment in yourself. Finding an activity you are passionate about is one of the best ways to stay motivated, creative, and happy during your teenage years.

As the world's population grows and climate change affects rainfall, many regions face severe water shortages. Desalination, the process of removing salt from seawater, is seen as a high-tech solution to this growing crisis. Modern desalination plants use a technology called reverse osmosis, which pushes seawater through special membranes to filter out the salt. (37) __________.

However, this technology is not without its problems. The process is extremely energy-intensive, making it expensive and contributing to greenhouse gas emissions. (38) __________. Furthermore, desalination produces a highly concentrated salt solution called brine. (39) __________. Scientists are now working on developing more efficient and environmentally friendly desalination methods to overcome these challenges. (40) __________.

A. Their goal is to make desalination a truly sustainable solution for a thirsty world

B. This high energy consumption is a major obstacle for many developing countries

C. This method provides a reliable source of fresh water for coastal cities

D. This waste product is often pumped back into the ocean, harming marine ecosystems