[GE8] UNIT 5.4 (Ex1,2)

What is the meaning of "glacier"?

• A large body of saltwater

• A slow-moving mass of ice

• A small river in the desert

• A machine for filtering water

Which word means "to remove salt from seawater"?

• Scarce

• Irrigate

• Supply

• Desalinate

Which of the following best describes "agriculture"?

• The industry of making household appliances

• The science of growing crops and raising animals

• The process of removing salt from seawater

• The movement of water in a river

If water is "scarce," it is...

• Rare or insufficient

• Easy to find

• More than enough

• Always available

What is the opposite of "abundant"?

• Inadequate

• Necessary

• Elemental

• Indispensable

What is the function of an irrigation system?

• It removes salt from seawater

• It supplies water to crops

• It filters drinking water

• It provides electricity

A "desalination plant" is a place where...

• Household appliances are made

• Water is purified

• Salt is removed from seawater

• Water is stored underground

Which of the following is a synonym for "essential"?

• Unnecessary

• Indispensable

• Scarce

• Domestic

Which of these words is NOT a synonym for "factor"?

• Reason

• Aspect

• Appliance

• Cause

If something is "vital," it is...

• Not very important

• Absolutely necessary

• Easy to replace

• Unrelated to survival