5 Practice C
In the following text, replace all the words or phrases in bold type with suitable
synonyms.
3.9:Synonyms 205Many motor manufacturers are currently introducing electric cars. Their aim is to
manufacture carswhich are cheaper to run and less polluting. But these motor
manufacturersface several key difficulties. One key difficultyis the limited range
of the battery, while another difficultyis its cost and weight. But the motor
manufacturerspredict that these difficultieswill soon be overcome and predict
that 10% of cars will be powered by electricity in five years’ time.