Đề ôn thi Đề thi vào lớp 10 Hà Tĩnh môn Tiếng Anh - Mã đề HTI-27

Before the 1970s, calculators were large, expensive machines that only big businesses could afford. The invention of the integrated circuit changed everything, allowing for much smaller devices. The first handheld calculators appeared and quickly became popular. (24) __________, their high price meant that not everyone could buy one. If we didn't have pocket calculators today, life (25) __________ be much more difficult for many students and professionals.

Early models could only perform basic functions, and engineers had to (26) __________ complex problems like memory limitations and short battery life. Now, (27) __________ student in a science class probably owns a smartphone with a calculator app far more powerful than those early devices. The development of the pocket calculator had a huge (28) __________ on education and business, making complex calculations accessible to everyone. The journey from a room-sized machine (29) __________ a pocket-sized gadget is a perfect example of technological progress.

Every year, Vietnam's long coastline faces the threat of powerful typhoons, a danger that scientists warn is increasing due to climate change. These storms bring destructive winds and heavy rains, causing significant damage to homes and infrastructure. For coastal communities, understanding and preparing for typhoon season is not just a good idea—it is a critical matter of safety and survival.

The government plays a crucial role in managing these natural disasters. The Vietnam Disaster Management Authority (VNDMA) is the main organization responsible for public safety. It closely monitors storm developments and issues timely warnings to citizens through television, radio, and mobile alerts. Furthermore, the VNDMA coordinates large-scale evacuation plans to move people from high-risk areas to safer shelters before a typhoon makes landfall.

At the family level, preparation is divided into two main categories. First is securing your home, which involves actions like reinforcing windows and doors, and clearing drains to prevent flooding. The second category is preparing an emergency kit. This kit should contain essential supplies such as non-perishable food, bottled water, a first-aid kit, and a flashlight with extra batteries. Having this kit ready can make a huge difference.

The danger does not end when the storm passes. After a typhoon, communities must deal with a difficult aftermath, which can include power outages and damaged roads. The disruption is often significant, but the goal is to make it as temporary as possible. Authorities advise people to stay informed through official channels and avoid fallen power lines or unstable structures until they are declared safe by professionals.