Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-175

(23) __________ I recently saw a perfect example of this while eating lunch abroad. A tourist at the next table was struggling with the local menu, which was written in a language he didn't understand. (24) __________

Energy conversion is a fundamental process in our daily lives. It's the change of energy from one form to another. Think about a simple lamp (25) __________ you plug into the wall. It takes electrical energy and changes it into light and heat energy.

This principle (26) __________ not only in technology but also in nature. For instance, plants use photosynthesis to convert sunlight into chemical energy. Yesterday, when you (27) __________ your dinner, your body started converting the chemical energy from the food into kinetic energy so you could move. The law of conservation of energy states that energy cannot be created or destroyed; it can only be converted. (28) __________, the total amount of energy in a closed system always remains constant. This means that while the form of energy changes, the total (29) __________ of energy stays the same.

Understanding this helps us to (30) __________ progress in developing more efficient technologies, like solar panels or hybrid cars, which are designed to waste as little energy as possible during conversion.

In the world of social media, from TikTok to Facebook, teenagers are constantly connected. While this brings many benefits, it also exposes them to a dark side: cyberbullying. Anonymous trolls—people who hide their real identity to post hateful comments—can cause real emotional pain. Their words can make you feel isolated and upset, turning your favorite online spaces into sources of anxiety.

This isn't just a small problem; it can be a serious threat. Coordinated online hate campaigns can target anyone, from your classmates to famous public figures. In some high-profile cases, these attacks become massive and incredibly harmful, affecting a person's reputation and mental well-being. The anonymity of the internet often makes trolls feel brave, leading them to say things they would never say face-to-face, which makes the problem even worse.

So, what should you do when you see a hateful comment? There are three main strategies. The first is to simply ignore it. Sometimes, trolls want a reaction, and not giving them one takes away their power. The second option is to block the account; it is a quick way to stop them from contacting you again. The third, and often most important, is to report the comment or account to the platform. Reporting helps social media companies identify and remove rule-breaking users. Choosing the right strategy is crucial for protecting yourself.

Ultimately, there is no single perfect answer for every situation. The best response depends on the context and how you feel. The most important thing is to prioritize your own mental health. Never be afraid to talk to a trusted adult, like a parent or teacher, if you are struggling. Learning how to navigate these challenges is a vital skill for staying safe and positive in the digital age.

"Ghost nets" are fishing nets that have been lost or abandoned in the ocean. They are a serious threat to marine ecosystems because they continue to function long after they are lost, (37) __________. This process, often called "ghost fishing," can continue for decades.

Made from durable synthetic materials like nylon, these nets do not biodegrade easily, (38) __________. As they drift, they can also damage sensitive habitats like coral reefs. Moreover, tiny plastic particles break off from the nets over time, (39) __________. Addressing the issue of ghost nets requires international cooperation to clean up existing nets and prevent future abandonment, (40) __________.

A. contributing to the growing problem of microplastic pollution

B. thereby protecting our oceans for future generations

C. trapping fish, sea turtles, dolphins, and even whales

D. persisting in the marine environment for hundreds of years