Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-147

In professional communication, every detail matters, especially in written correspondence. A seemingly minor oversight, like a typo, can significantly impact how you are perceived by colleagues and clients. (23) __________. (24) __________

Blinking is something we do automatically, but have you ever wondered why it’s so essential? This simple action plays a vital (25) __________ in keeping our eyes healthy. When we blink, our eyelids spread a tear film across the surface of the eye. This film is a complex mixture of water, oils, and mucus (26) __________ cleans and lubricates the eyeball. Without it, our eyes would become dry and uncomfortable. Every time we blink, tiny particles like dust and dirt (27) __________ from the eye’s surface, which helps prevent infections.

(28) __________, blinking protects our eyes from getting too dry. In a study last year, scientists (29) __________ that blinking also gives our brains a momentary rest, helping us to stay focused. This natural mechanism is incredibly efficient. It ensures our vision remains clear and our eyes are protected from potential (30) __________. So, while you might not think about it, every blink is an important part of your body's amazing design.

Múa rối nước is a unique and ancient Vietnamese art form that has charmed audiences for centuries. Originating in the rice paddies of the Red River Delta, these performances on water tell stories of folklore and rural life. Today, they are a major attraction for tourists visiting cities like Hanoi. However, the challenge is to ensure this beautiful tradition remains relevant to a new generation of Vietnamese.

For many young Vietnamese, traditional water puppetry can sometimes feel disconnected from their modern lives. The slow pace, classical music, and well-known folk tales can be less exciting compared to the dynamic digital entertainment available today. While they respect the art form's cultural value, many do not see it as a primary choice for entertainment, often viewing it as something reserved for foreign visitors or older generations.

To capture the interest of teenagers, some artists believe innovation is key. This doesn't mean abandoning tradition, but rather fusing it with contemporary elements. Imagine water puppet shows with modern pop music, or telling stories about current issues like environmental protection or school life. Another idea is to make the shows more interactive, perhaps allowing the audience to influence the story through digital voting, blending the old stage with new technology.

The future of water puppetry does not have to be a choice between preservation and modernization. The classic performances can and should continue to be treasured. By also creating new, innovative versions, the art form can attract a younger, local audience. This dual approach ensures that Múa rối nước will not only survive but also thrive for many centuries to come.

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