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What is the MOST important idea of the story?

• Only communities in Denmark can operate on renewable energy.

• Converting a community to using only renewable energy is easy.

• Entire communities can operate on renewable energy

• Global warming is having a great effect on Earth.

Answer explanation

The story emphasizes that entire communities can successfully operate on renewable energy, showcasing the feasibility and potential of such initiatives beyond just individual efforts or specific locations.

How has the use of windmills changed from when they were invented over 1,000 years ago?

• Today they are used to grind corn and pump water, but long ago they were used only for energy.

• Today they are used for energy, but long ago they were used to grind corn and pump water.

• Today they are used only to grind corn, but long ago they were used to pump water.

• Today they are used only to pump water, but long ago they were used to grind corn.

Answer explanation

Windmills were originally used to grind corn and pump water. Today, they primarily generate energy, reflecting a significant shift in their purpose over the last millennium.

According to the story, all of the following are effects of global warming EXCEPT:

• ice caps at the North and South poles are slowly melting.

• The water level of the ocean will change.

• summers will become hotter.

• winters will become hotter.

Answer explanation

The correct choice is 'winters will become hotter' because global warming is expected to lead to milder winters, not hotter ones. The other options accurately reflect the effects of global warming.

What is the problem with nonrenewable energy sources?

• They produce large amounts of carbon dioxide.

• They produce large amounts of oxygen.

• They are not very useful.

• They cost too much.

Answer explanation

The problem with nonrenewable energy sources is that they produce large amounts of carbon dioxide, contributing to climate change and environmental issues. This makes them less sustainable compared to renewable energy options.

According to the story, all of the following are renewable energy sources EXCEPT:

• wind

• water

• sunlight

• oil

Answer explanation

Oil is a fossil fuel and not a renewable energy source, unlike wind, water, and sunlight, which can be replenished naturally and sustainably.

Something that is connected to protecting the Earth's land, water, animals and air.

• cable

• environmental

• renewable

• converted

• resources

Answer explanation

The term 'environmental' relates directly to the protection of the Earth's land, water, animals, and air, making it the correct choice. Other options do not specifically address this aspect of conservation.

Something that is changed to a different form.

• cable

• environmental

• renewable

• converted

• resources

Answer explanation

The term 'converted' directly refers to something that has been changed to a different form, making it the correct choice. Other options do not convey this meaning.

You are open to do something without being told.

• cable

• environmental

• renewable

• willing

• resources

Answer explanation

The term 'willing' means being ready and eager to do something without needing to be prompted. This aligns perfectly with the statement in the question, making 'willing' the correct choice.

To make a machine, a service, etc. ready to be used in a certain place

• put in

• install

• replace

• attach

Answer explanation

The term 'install' specifically refers to making a machine or service ready for use in a particular location, which aligns perfectly with the question. Other options like 'put in' or 'attach' do not convey the same meaning.

What is the passage mostly about?

• A teacher who wants to enter a contest

• A teacher who makes energy for his classroom

• An island where people grow their own food

• An island where people make their own energy that will not run out

Answer explanation

The passage focuses on an island where people create sustainable energy, emphasizing their ability to produce energy that will not run out, making this choice the most relevant to the main theme.