Unit 2 Review SS

1. I try to reduce my _______ by using public transportation instead of driving.

• energy

• carbon footprint

• weight

• green lifestyle

2. Please turn off the electrical _________ when you don't use them.

• appliances

• wirings

• household

• machines

3. 3. I don’t like ____ . It's often crowded and sometimes I have to stand for a long time.

• natural resources

• heavy lifting

• greenhouse effect

• public transport

4. Do you think eating ___ food will reduce the amount of chemicals in my diet?

• eco-friendly

• electrical

• organic

• refillable

5. They are planning on ____ a green lifestyle by planting more trees and using public transport.

• adopting

• calculating

• preventing

• estimating

6. A: Will the factory be harmful to the environment?

B: Yes, it releases smoke into the air and ____ into the water.

• chemicals

• items

• humans

• pollution

7. What will you do to ____ others to have an eco-friendlier lifestyle?

• harm

• suggest

• encourage

• cheer

8. In 2099, people will lead more _______ lives because smart cities will reduce limit the use of plastic.

• convenient

• dangerous

• eco-friendly

• interesting

9. 9. Plastic waste is becoming a significant _______, threatening human life.

• raw material

• source of energy

• issue

• development

10. 10. The ________ of greenhouse gases has been rising steadily, making the Earth hotter

• invention

• production

• creation

• emission