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caUNIT 2 READING 1 COMPREHENSIVE PRACTICE
to use something, especially fuel, energy, or time
Electric cars consume less energy than traditional vehicles.
to produce and discharge something, especially gas, heat, light, or sound
Factories emit harmful gases into the atmosphere.
existing only in small amounts; not very much or not very many
We have limited time to complete this project.
to control or maintain something according to rules or laws
The government regulates emissions from power plants.
to change something into a different form or use
Solar panels convert sunlight into electricity.
waste gases or air expelled from an engine or machine
Car exhaust contributes to air pollution in cities.
very large, important, or significant
Climate change is a major environmental challenge.
to reduce the amount or number of something
We need to cut down on plastic waste to protect the environment.
to put money, time, or effort into something to make a profit or achieve a result
Many companies invest in renewable energy technologies.
the action of making something smaller or less in amount, degree, or size
The reduction in carbon emissions requires immediate action.
Choose the best definition for each word.
Match each word with its correct definition by selecting the appropriate letter.
Complete each sentence with the most appropriate word from the word bank.
Complete the paragraph by filling in the blanks with the most appropriate vocabulary words.
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