Before the 20th century,the horse provided (1)_____________________ 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 (2)_____________________________.
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 $2,050 in 1950,$2,740 in 1960 and (3)________________.
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.
发表于 2012-6-29 14:11
| 
发表于 2012-8-17 13:36
| 