Đề bài · Task 1 · Process
The diagram below shows how a dam produces electricity. Summarise the information by selecting and reporting the main features.
How a dam produces electricity1Storing water
river water held in a reservoir behind the dam, high water level
2Opening the gate
intake gate opened: water enters a large pipe
3Flowing downhill
pipe → power station at the foot of the dam
4Turning the turbine
fast-flowing water hits the blades
5Generating electricity
spinning turbine drives a generator
6Raising the voltage
transformer
7Carrying the power
power lines → homes and factories
8Returning the water
used water flows back into the river below the dam
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