Class 8- Unit 7

Due to _______ pollution, the bicycle may someday replace the automobile.

• air

• water

• marine

• soil

People in my neighborhood are trying to save _______.

• rubbish

• single-use products

• coral

• endangered species

Before going out of the room, you have to _______ the lights.

• turn off

• turn on

• turn up

• turn in

What does 3Rs refer to?

• redo, reuse, recycle

• reduce, reuse, return

• reduce, reuse, recycle

• reduce, retake, recycle

_______ is the amount of carbon dioxide we release into the environment.

• Ecosystem

• Carbon footprint

• Global warming

• Oxygen

It’s important to work together to stop the ________ of endangered species.

• pollution

• quality

• plastic bags

• extinction

________ rubbish is a way to protect the environment.

• Picking up

• Picking down

• Picking off

• Picking over

Students should learn some of the practical ways that help to ________ pollution.

• save

• reduce

• shorten

• cure

It’s essential to _______ single-use products instead of throwing away them.

• litter

• remove

• reduce

• recycle

_______ is the process that makes the air, water, or soil unclean or contaminated by adding harmful substances.

• Rubbish

• Single-use products

• Pollution

• Endangered species