Before the 20th century,the horse provided day to day transportation in the United State.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.Most Americans are able to buy car.
The average price of a recently made car was $(1)________________ in 1950,$(2)____________ in 1960 and up to $ (3)_________________ in 1975.
During this period American car manufacturers set about improving their products and work efficiency.As a result,the yearly income of the average family increased from 1950 to 1975 faster than the price of cars.For this reason purchasing a new car takes a smaller part of a family's total earnings today.
