Before the 20th century,(1)_____________________________.Trains were used only for long-distance transportation.Today the car is the most popular sort of transportation in all of the United State.It has completely replaced the horse as a means of everyday transportation.
Americans use their car for nearly 90 percent of all personal trips.(2)_______________________.
The average price of a recently made car was $2,050 in 1950,$2,740 in 1960 and up to $ 4,750 in 1975.
During this period American car manufacturers set about improving their products and work efficiency.As a result,(3)__________________________________.For this reason purchasing a new car takes a smaller part of a family's total earnings today.
发表于 2015-4-9 09:54
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