REVISION

The river water is severely polluted, mostly               the dumping of raw sewage.

• due to

• lead to

• because

• so

Sudden changes in water temperature can                mass killings of fish, plants, oramphibians.

• come up

• result in

• dump into

• thank to

Water pollution               the death of all forms of life in the water bodies.

• occurs

• results of

• creates

• leads to

                 plastic takes so long to break down, it pollutes the land and ocean.

• Because

• Due to

• Even if

• Although

Water pollution can be harmful _________ fish and animals that live along the river.

• at

• with

• to

• at

Choose the word whose underlined part is pronounced differently from the others.

• disease

• dead

• treatment

• sneeze

Choose the word whose main stress pattern is placed differently.

• environment

• temperature

• botanical

• contaminant

After the accident, many people were exposed               radiation.

• from

• at

• with

• to

         can cause high blood pressure, heart problems, sleep disturbances, and hearing problems.

• Air pollution

• Light pollution

• Water pollution

• Noise pollution

If we use less energy, we               (help) reduce greenhouse gas emissions.