Review Unit 9 & 10

Choose the word that matches the definition:

a large number of vehicles close together and unable to move or moving very slowly

• A.traffic congestion

• B. vehicle cluster

• C.traffic jam

• D.Both A and C

Choose the word that matches the definition:

a large vehicle that carries firefighters and their equipment to a fire

• fire engine

• car pool

• subway

• ambulance

Choose the word that matches the definition:

an arrangement in which a group of people take turns driving each other or their children to and from work or school

• car pool

• train

• taxi

• helicopter

Choose the word that matches the definition:

a device like a box that moves up and down, carrying people or goods from 

one floor of a building to another or taking people up and down 

underground in a mine

• escalator
• staircase
• elevator
• conveyor belt

Choose the word that matches the definition:

a set of stairs moved up or down by electric power on which people can stand and be taken from one level of a building to another, especially in shops, railway stations, and airports

• escalator
• elevator

• lift
• stairway

Choose the word that matches the definition.

fuels, such as gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago

• wind turbine 

• Fossil fuels
• wind farm

• sailboat

Choose the word that matches the definition.

gas, found underground, that is used as a fuel

• Synthetic gas
• Natural gas
• Artificial gas
• Man-made gas

Choose the word that matches the definition.

damage caused to air by harmful substances or waste

• A.perseverance

• B.pollution

• C.contamination

• D.Both B and C

Choose the word that matches the definition.

a form of energy that can be produced in several ways and that provides power to devices that create light

• electricity
• nuclear power
• wind power
• solar power

Choose the correct option to complete the sentences.

Miss Hoa always takes her umbrella when she _____ to school.

• is going

• went

• goes
• go