解析 【答案】How does【核心短语/词汇】windmill 风车【翻译】风车在风中快速转动。【解析】本题考查特殊疑问句。划线部分为“quickly 快速的”,则可知本题是对风车的转动速度进行提问。故用How does 开头进行提问。且本题主语为“windmill 风车”,故助动词需用does。
How does the wind move the blades of a wind- mill ? 01:54 How much energy is possessed by a moving body by virtue of its motion ... 01:05 What is the difference between potential energy and kinetic energy ? 02:23 What is meant by the term potential energy ? Give its two examples...
根据文中For thousands of years, people have used wind to sail boats and move water. 人们使用风来驱动轮船,运送水,已经有几千年了可知,人们使用风力已经不止1000年了,故答案为A。【小题3】细节理解题。根据文中Also, wind doesn't blow all the time, so we can't use wind power all the time....
Wind shear happens when the wind changes direction or speed. The wind can speed up or slow down, move horizontally or vertically, or any combination... Learn more about this topic: Wind Lesson for Kids: Direction & Speed from Chapter 12/ Lesson 6 ...
transferring some of its own energy of motion to the blade. This is how a wind turbine captures energy from the wind. The same thing happens with a sail boat. When moving air pushes on the barrier of the sail, it causes the boat to move. The wind has transferred its own energy of ...
Wind makes windmills(风车) spin(旋转). When the windmills spin, they make electricity. Then we can use the electricity. A lot of people think that wind power is new, but that's not true. For thousands of years, people have used wind to sail boats and move water. We still do those ...
Wind makes windmills spin (旋转). When the windmills spin, they make electricity. Then we can use the electricity. A lot of people think that wind power is new, but that’s not true. For thousands of years, people have used wind to sail boats and move water. We still do those ...
Wind makes windmills (风车) spin. When the windmills spin, they make electricity. Then we can use the electricity. A lot of people think that wind power is new, but that’s not true. For thousands of years, people have used wind to sail boats and move water. We still do these ...
For some nomads, wherever they move to, the desert follows.E Trees are of great importance when it comes to maintaining topsoil and slowing down the wind speed. In many Asian countries, firewood is the chief fuel used for cooking and heating, which has caused uncontrolled clear-cutting of ...
The wind turbine is not always in the same position, but depending on the flexibility of the moorings and the depth of the sea, it can move between 20 and 50 metres around a central point. Movement in the vertical: Heave. It is important to minimise this movement through the design of ...