Unit 7: Trees

When is Earth Day celebrated ?

• April 22

• March 22

• April 12

• April 23

World Environment Day is celebrated (a)   every year.

the process of something being damaged or made worse

• precipitation

• hazardous

• degradation

• reverse

Involving risk or danger, especially to somebody's health or safety

• reverse

• accelerate

• hazardous

• desertification

Rain, snow, etc

• Precipitation

• Desertification

• Degradation

• Intact

What is it?

• Deforestation

• Precipitation

• Degradation

• Desertification

Workers aren't more productive when they can see trees from their office windows.

• True

• False

All organisms on Earth can't live as long as a tree.

• True

• False

Which word is incorrect?

She couldn't attend the university due to she failed the exam.

• couldn't

• attend

• due to

• the

Find the mistake.

In order to improving your English knowledge, you need to create a suitable environment to study.

• improving

• need to

• a

• to study