IV.
Americans love automobiles. We love to drive them. We don’t want anyone telling us what kind of car to buy or how much to drive it. Forty years ago, most Americans drove big cars that used a lot of gas. The gas shortage of the 1970s didn’t change Americans driving habits much. What did change was the way automobiles were built. Automakers began making cars smaller and lighter. They built smaller and more efficient engines.
In 1973, there were 102 million cars on the road. Today, there are more than 137 million cars. There are more cars being driven more miles than ever before. Forty-eight percent of the passenger vehicles sold in 2009 were sport utility vehicles and light trucks. With the recent fluctuations in fuel prices, however, demand for these big vehicles has dropped, while demand for hybrids and fuel-efficient vehicles has increased.
36. Big cars in America used to consume much gas four decades ago.
A. True B. False
37. The shortage of gas started in America in 1970.
A. True B. False
38. Automakers reduce the sizes of cars.
A. True B. False
39. There are fewer cars on the roads today than before.
A. True B. False
40. More people want to buy light trucks recently
A. True B. False
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