Unit 11: Our greener world

Factories that _____ rivers with chemical waste should be strictly punished.

• reduce
• disappear
• pollute
• reuse

The government has launched a campaign to reduce the use of _____ bags in supermarkets.

• envelope
• plastic
• glass
• refillable

We should always turn off the _____ when brushing our teeth to save water.

• tap
• bulb
• can
• glass

A lot of energy can be saved if people use _____ bottles instead of single-use ones.

• creative
• natural
• reusable
• recyclable

Many species are at risk due to the _____ of their habitats.

• invitation
• deforestation
• electricity
• material

The sudden increase in _____ has seriously affected people’s hearing in this area.

• soil pollution
• noise pollution
• air pollution
• water pollution

I can't find an empty _____ to put this soup in.

• can
• bulb
• glass
• material

The students are doing a _____ on how to save electricity at school.

• survey
• rubbish
• level
• classmate

This packaging is made of _____ materials and is safe for the environment.

• disappear
• plastic
• natural
• envelope

People should _____ plastic bottles whenever possible.

• swap
• pollute
• reuse
• invite