Superior 5, Lesson 10.2

Marcos failed to _____ the audience, who appeared to be bored and restless.

• biofuel

• grid

• power

• energize

To describe a machine that doesn't produce much carbon, you could call it _______ or _______.

• renewable

• low-emission

• biofuel

• low-carbon

Isabelle: What kind of fuel do I need to _____ this vehicle?

Sue: The only fuel you need is a plug for the battery. It's an electric car.

• power

• energize

• self-sustain

• biofuel

If you're living ______, then you're not connected to public power sources.

• low-emission

• carbon-neutral

• off-grid

• self-sustainably

Anders has a ________ home. He produces his own power, has his own well for water and grows his own food.

• carbon-neutral

• self-sustainable

• power

• low-emission

In order to live ______, you'll need to spend thousands of dollars to buy and install the equipment needed to _______ your home with solar energy.

• off-grid

• biofuel

• energetically

• power

_______ means "able to support oneself or to live independently".

• Carbon footprint

• Off-grid

• Low-carbon

• Self-sustainable

If your car is fuel-efficient, it's probably also ________.

• low-emission

• off-grid

• self-sustainable

• renewable

I saw a documentary about climate change in college that really ______ my interest in solar power. I think solar is the next big thing, and I want to be part of it!

• self-sustained

• renewed

• powered

• energized

If you ride a bike, you have a very ______ vehicle. The only carbon dioxide you produce is what you breathe out.

• low-carbon

• off-grid

• renewable

• self-sustainable