Задание 
   Read the statements and choose the correct definition of the word "cyclone".
- It's an extremely large wave in the sea caused, for example, by an earthquake.
- It's a violent tropical storm in which strong winds move in a circle.
- It's a mass of snow, ice and rock that falls down the side of a mountain.
- It's a mass of earth or rock that falls down the slope of a mountain or a cliff.