HARMONIZE 4B UNIT 7 VOCABULARY

We have reduced electricity costs by installing … light bulbs.

• adaptable

• experimental

• energy-saving

A(n) ... teacher can inspire students to succeed.

• experimental

• inspiring 

• affordable

It is difficult to see … heating systems become practical in cities that do not have much sunlight.

• solar-powered

• high-tech 

• innovative

Unless electric cars become … more, most people will not be able to afford them.

• adaptable

• reasonable

• virtual

Students who cannot go to school can study online in a … classroom.

• virtual

• high-tech

• solar-powered

The main advantage of using … technology is that it can change to suit different situations and needs.

• affordable 

• inspiring

• adaptable

These … homes use computers to control the heating, security and energy.

• affordable

• high-tech

• virtual