1.Answer the questions:
1.How many cars are there now-a-days?
2.Which thing do they have in common?
3.What do many expert say about the new technology that is being tested and alternative fuels?
4.What happened to vehicle weight and horsepower since 1985?5.How do the carbon emissions affect the atmosphere?
B.Write true or false:
1. Trucks have become smaller and less powerful year after year.
2. Emotion is an essential element when buying a car.
3. Cars are consuming more gasoline than ever before.
4. Burning oil changes the chemistry in the atmosphere
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