The diagram below shows how electricity is generated in a hydroelectric power station. Summarize the information by selecting and reporting the main features, and make comparisons where relevant

The diagram illustrates the way a hydroelectric power station can produce

electricity

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.

Overall

Linking Words

, there are two process

cycle

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cycles

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distributed in

a

Correct article usage

the

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day

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and

night

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stages

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. The

water

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flows

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downward in the

day

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,

while

Linking Words

the

Change preposition

in the

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night

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stage

is

Unnecessary verb

apply

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the

water

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flows

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back. In the beginning

stages

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of the

day

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, the

water

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from a river

detain

Wrong verb form

is detained

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in the high-level reservoir. Afterwards, the dam can be

open

Wrong verb form

opened

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and the

water

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flows

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to generate

electricity

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.

Then

Linking Words

, the

electricity

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stored

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is stored

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by

generator

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the generator

a generator

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. Next stage, the power station distributed

electricity

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to the national grid by power lines. In the

last

Linking Words

, the

water

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stored

Add a missing verb

is stored

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by the

low level

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low-level

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reservoir.

On the other hand

Linking Words

, the

water

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in the

night

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stages

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flows

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back to start to the first position on the

day

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stages

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.

Moreover

Linking Words

, the turbine pumped back the

water

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to a

high level

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high-level

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reservoir

while

Linking Words

closed during

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night

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the night

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. The

water

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is stored in the up level and

flows

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down again.