Turbulence occurs when an airplane hits a strong wind current. Like a wave in water, these air currents can push or pull the plane. Most commercial jets fly high enough to avoid most wind patterns, but occasional gusts can occur at any altitude. When this happens, the airplane is buffeted...
Like all soldiers, they still do PT in the morning, they take the ACFT once or twice a year, qualify with their rifle once a year, and go through a gas chamber once a year, and if they are airborne they get to go jump out of airplanes, at least once every three months. If they...
Your chances of surviving such a deadly plunge might improve slightly when you’re somehow padded by semi-protective debris that will absorb some of the enormous amount of energy you’ll experience when you land on the water’s surface. Vesna Vulovic Imagine this: Vesna Vulovic, an air hostess...
When I teach in classroom, we often end up talking about things like success and what leads to success. 出自-2016年12月听力原文 Today, I’d like to talk about what happens when celebrity role models get behind healthyhabits, but at the same time promote junk food. 出自-2016年12月听力原...
When you plug the vacuum cleaner in and turn it on, this is what happens: The electric current operates the motor. The motor is attached to the fan, which has angled blades (like an airplane propeller). As the fan blades turn, they force air forward, toward the exhaust port (check out...
Days pass by, it seems that daily life will become boring if nothing unexpected happens in our lives. The sense of ceremony (仪式感) from special days keeps our feelings fresh and increases expectations of life. Mrs Li has two children. Li Xin is her 15-year-old daughter. Li Lei is Li...
When there is a hole to be filled, water does not run away from it in fear of the dark; _ _, water modestly and bravely fills the empty space. Similarly, we can face the dark moments of our life rather than run away from them. _ _, a river will empty into the sea. Water does...
When there is a hole to be filled, water does not run away from it in fear of the dark; _ _, water modestly and bravely fills the empty space. Similarly, we can face the dark moments of our life rather than run away from them. _ _, a river will empty into the sea. Water does...
Where Did Water on the Moon Come From? What Have We Learned About Charon, the Largest Moon of Pluto? Is There a Planet Vulcan? The Story of the Planet That Never Was but the Asteroids That Could Be The Secrets of Pluto's Minor Moons, Including Styx, Hydra, Kerberos, and Nix...
So I think it’s a good year, and the new one will start in a few hours. I’m sure it’ll be another good year.” We can’t control the things that happen to us, but we can ___ how we look at them. Whatever happens, you can be optimistic or not—it’s up to you. 1...