新时代高职英语U2 Reading

Solving the problem of global warming is a major _________ that all countries must face together.

In many sunny regions, solar energy has become widely _________ for home use at a lower cost.

Data shows that fossil fuels still _________ about 80% of the world’s total energy consumption.

Building a large-scale wind farm _________ a lot of money and professional technical support.

Changing to _________ energy sources, such as wind and water power, is the best way to reduce pollution.

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One problem to renewable energy is that they are not always available.

The systems required for renewable energy projects is not expensive

Renewable energy is likely to play a major role in solving the world's energy problems while protecting the environment.

What can we do to protect the environment?

For example, solar power ___________ sunlight, and wind power relies on wind conditions.

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