E7- UNIT 10- BTAP VOC MẠNG (Basic)

The wind, the sun, and the wave are some types of __________ sources of energy.

• changeable

• alternative

• cheap

• costly

Remember to __________ the lights before going to bed.

• turn

• turn on

• turn off

• stop

Low energy light bulbs should be used to __________ electricity.

• spend

• buy

• convert

• save

We must __________ the amount of water our family used every day.

• lower

• reduce

• lessen

• narrow

Fossil fuels are very common in our society but they __________ the environment.

• renew

• provide

• waste

• pollute

When you save energy, you not only save money, you also reduce the demand for __________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

• carbon footprint

• electricity

• fossil fuels

• biogas

__________ energy is produced by collecting sunlight and converting it into electricity.

• Hydro

• Nuclear

• Solar

• Wind

There are many available __________ power sources in Vietnam including sun, wind, water, etc.

• nuclear

• hydro

• renewable

• solar

Biogas can be used to __________ natural gas in cooking, heating, or electrical generation.

• use up

• replace

• pollute

• install

………..…….. source of energy is the source that can’t be replaced after use.

• Renewable
• Natural
• Effective
• Non-renewable