Đề ôn thi Đề thi vào lớp 10 Thái Nguyên môn Tiếng Anh - Mã đề TNG-59

Floating oil rigs are incredible feats of modern engineering. Unlike traditional platforms that stand on the seabed, these massive structures float on the ocean's surface, (29) __________ them to operate in very deep water. This raises a crucial question: how do they stay in place, especially during powerful storms? The primary challenge is to (30) __________ stability against strong winds and currents.

One common method is a mooring system. With this approach, the rig (31) __________ to the seabed using a combination of heavy chains and strong synthetic ropes. These lines are carefully arranged to balance the forces acting on the rig. (32) __________, for operations in extremely deep water, a more advanced technology called Dynamic Positioning (DP) is often preferred. DP systems use a set of powerful, computer-controlled thrusters. The computer constantly receives data from satellites, (33) __________ allows it to precisely calculate the rig’s position. It then automatically adjusts the thrusters to counteract any movement. This amazing technology (34) __________ popular in the offshore industry since the 1970s.

Living in a hot, humid climate like Vietnam's often means a daily battle to stay comfortable. Traditional fabrics like cotton absorb sweat but dry slowly, leaving you feeling sticky. Polyester, on the other hand, doesn't breathe well. For years, these were the main choices for everyday clothing. However, material science is now offering a high-tech solution to this common problem, moving beyond the limits of conventional textiles.

The secret lies in 'smart textiles' designed specifically for cooling. These innovative fabrics work in two main ways. First, they have excellent moisture-wicking properties, meaning they pull sweat away from the skin to the fabric's surface where it can evaporate quickly. This process mimics the body's natural cooling system but enhances it. Second, some advanced materials can manage thermal radiation, allowing the heat our bodies produce to escape more efficiently into the environment.

The benefits of these cooling fabrics are clear. They provide superior comfort during hot weather, making daily activities more pleasant. Furthermore, by helping people stay cool, these textiles could potentially reduce the reliance on air conditioning, leading to energy savings. While these high-tech materials are often more expensive than cotton or polyester, their popularity is growing as more people recognize their advantages. Local brands in Vietnam are also starting to incorporate these fabrics into their collections.

The future of clothing in warm climates looks promising. As technology improves and becomes more affordable, we can expect to see more of these smart textiles in our wardrobes. From school uniforms to office wear, science is paving the way for a future where our clothes actively help us beat the heat, making everyday life in places like Vietnam significantly more comfortable.