Choose the word which has a different sound in the part underlined

• preserve

• protect

• energy

• chemical

Choose the word which has a different sound in the part underlined

• depletion

• preservation

• deforestation

• completion

Choose the word which has a different stress pattern from the others

• awareness

• solution

• importance

• happiness

Choose the word which has a different stress pattern from the others

• fertilizer

• environment

• contaminate

• renewable

Choose the best answer to complete the sentence:

The gradual increase in the Earth's temperature is known as ____________.

• greenhouse effect

• global warming

• ozone layer

• acid rain

Choose the best answer to complete the sentence:

Water pollution is the result of dumping _________ such as detergents, pesticides, oil in rivers.

• pollutes

• polluted

• pollutions

• pollutants

Choose the best answer to complete the sentence:

Coal, oil, and natural gases are _____________ energy resources.

• renewable

• non-renewable

• changed

• unchanged

Choose the best answer to complete the sentence:

Soil pollution can have huge impact ___________ human health.

• on

• in

• for

• with

Choose the best answer to complete the sentence:

Thousands of acres of forests are being cut ________ every year.

• off

• down

• on

• up

Choose the best answer to complete the sentence:

There are lots of things we can do to __________ the environment from harm.

• enhance

• protect

• make

• build