Test vượt rào Unit 10: Source of Energy lần 3 E6.3

Coat will be replaced …………….natural gas, wind and solar by 2080.

• with
• from
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• by

Fossil fuels, including oil, coal and natural gas, are harmful ………… the environment

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Once non –renewable resources are used ………………., they are gone forever.

• to

• for

• up

What will happen if non –renewable resources run………………..?

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Sulphur dioxide has a direct effect ……………..healthy and the environment?

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• on
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We are looking ……………cheap, clean and effective sources of energy

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Vietnam still relies mostly ……………… non –renewable energy sources.

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Sunlight is converted …………………electricity by each solar cell in the panels.

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• for

• of

Turning ………………lights saves energy and it also saves money.

• on
• up
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• off

In developing countries, biogas is mostly used ………………cooking, heating and lighting

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• for