Smart World 8 - Unit 3: Protecting the environment

A lot of people _____ trash into rivers and make the water polluted.

• throw

• pass

• shoot

• kick

Green forests provide more spaces __________ animals and birds.

• with

• for

• into

• onto

Turning off the air conditioner ten minutes before leaving saves a lot of ________.

• plastic

• air

• water

• electricity

Governments should prevent people _________ cutting down trees in the forests.

• with

• into

• from

• on

People shouldn’t use plastic bags _________ they can reduce land pollution.

• so that
• because
• in order to
• despite

She won't pass the exam if she ______ hard.

• studies
• will study

• doesn't study
• won't study

Barry loves running, _____ he is also a member of our school's running club.

• but
• if

• and

• so

We should always remember 3 Rs to protect the environment, “Reduce, Reuse _______ Recycle”.

• if

• and
• or

• but

What is the best way to reduce land pollution?

• Using plastic bags

• Recycling plastic

• Burning plastic

• Throwing plastic in rivers

Which of the following is a common cause of water pollution?

• Recycling

• Throwing trash in rivers

• Using eco-friendly products

• Composting