Unit 3 - World English 3

What is a drought?

• When trees are cut down for farming.

• When the ice caps melt.

• When there are lots of floods.

• When there isn't enough rain and plants die.

What is deforestation?

• When people move from rural to urban areas.

• When trees are cut down.

• When it doesn't rain for many months.

• When animals migrate.

Write this sentence in the passive voice:

The student broke the pencil.

• The pencil was broken by the student.

• The pencil is broken by the student.

• The pencil was broke by the student.

• The pencil has broken the student.

Write this sentence in the passive voice:

Environmental organizations study sea levels.

• Sea levels were studied by environmental organizations.

• Sea levels have been studied by environmental organizations.

• Sea levels are studied by environmental organizations.

• Sea levels study environmental organizations.

Write this sentence in the passive voice:

Higher global temperatures are melting polar icecaps.

• Polar icecaps are being melted by higher global temperatures.

• Polar icecaps have been melted by higher global temperatures.

• Polar icecaps were melting by higher global temperatures.

• Polar icecaps have melted by higher global temperatures.

Write this sentence in the active voice:

Renewable energy is being used more in 2020.

• More people use renewable energy in 2020.

• More people used renewable energy in 2020.

• More people have used renewable energy.

• More people are using renewable energy in 2020.

What is conservation?

• The protection of natural resources such as rivers and forests.

• To use products multiple times.

• The farming of fruit and vegetables.

• Trading natural products.

What is a flood?

• When roads are closed because of traffic.

• When lots of water overflows, often caused by heavy rain.

• When it is so cold that water becomes ice.

• When the weather is so hot that it doesn't rain for months.

What is a heat wave?

• A synonym for global warming.

• When plants die because the weather is so hot.

• A period of hot weather; hotter than usual.

• Similar to a tsunami but caused by higher than usual sea levels.

How do you write 16,345?

• One thousand, sixty three hundred and forty five.

• Sixteen million, three hundred and forty five.

• One million, six thousand, three hundred and forty five.

• Sixteen thousand, three hundred and forty five.