Đề ôn thi Đề thi vào lớp 10 Phú Thọ môn Tiếng Anh - Mã đề PTH-72

Caves are fascinating natural wonders, and many are created by a slow but powerful geological process. The journey (15) __________ when rain falls through the atmosphere and absorbs carbon dioxide, creating a weak acid called carbonic acid. This acidic rainwater then seeps into the ground, finding its way into tiny cracks in soluble rocks like limestone. Limestone is a specific type of rock (16) __________ is particularly vulnerable to being dissolved by this acid. The ongoing chemical reaction between the acid and the rock plays a (17) __________ role in gradually breaking down the stone.

Over immense periods of time, often thousands or millions of years, the water continues this process, widening the small cracks until they grow into large tunnels and enormous chambers. (18) __________, the process isn't just about creating empty space; spectacular formations are also created. The same mineral-rich water drips from the ceiling, leaving tiny deposits behind. These deposits slowly (19) __________ to form stalactites and stalagmites. In the end, this entire beautiful underground world (20) __________ by the simple, patient action of water.

Every day on social media apps like Zalo and Facebook, we see countless news articles, photos, and videos shared by friends and family. While some of this content is fun and informative, a lot of it can be 'fake news' – false information created to trick people. This misinformation can spread incredibly fast, often because the headlines are shocking or emotional, making us want to share them before we even think.

The problem is that fake news is not just a harmless joke. It can be very harmful. For example, false medical advice can lead people to make dangerous health choices, or fake stories about social groups can create anger and conflict in our communities. When we believe and share these stories without checking, we become part of the problem, helping misinformation spread to even more people and causing real-world damage.

So, how can you be a smart digital citizen and spot fake news? First, always check the source. Is it a well-known news organization, or a strange website you've never heard of? Second, look for other sources. Are other credible news agencies reporting the same story? If not, it might be false. Finally, pay attention to your emotions. If a headline makes you feel very angry or scared, it might be designed that way to stop you from thinking critically.

Learning to question the information you see online is a vital skill in the modern world. In Vietnam, the government's Law on Cybersecurity even has rules to penalize the spread of false information. By taking a moment to think and check before you share, you not only protect yourself from being misled but also help create a safer, more reliable online environment for everyone in your community.