[填空题] Today the car is the most popular sort of transportation in all of the United States. It has completely 【B1】 the horse as a 【B2】 of everyday transportation. Americans use their car for 【B3】 90% of all 【B4】 business. Most Americans are able to 【B5】 cars. The average price of a 【B6】 made car was ,050 in 1950, ,470 in 1960 and up to , 750 【B7】 1975. During this period American car manufacturers set about 【B8】 their products and work efficiency. As a result, the yearly income of the 【B9】 family increased from 1950 to 1975 【B10】 than the price of cars. For this reason 【B11】 a new car takes a smaller 【B12】 of a family’’s total earnings today. In 1951 【B13】 it took 8.1 months of an average family’’s 【B14】 to buy a new car. In 1962 a new car 【B15】 8.3 of a family’’s annual earnings, by 1975 it only took 4.75 【B16】 income. In addition, the 1975 cars were technically 【B17】 to models from previous years. The 【B18】 of automobile extends throughout the economy 【B19】 the car is so important
A. A．then
B．as
C．so
D．which

[填空题] Today the car is the most popular sort of transportation in all of the United States. It has completely 【B1】 the horse as a 【B2】 of everyday transportation. Americans use their car for 【B3】 90% of all 【B4】 business. Most Americans are able to 【B5】 cars. The average price of a 【B6】 made car was ,050 in 1950, ,470 in 1960 and up to , 750 【B7】 1975. During this period American car manufacturers set about 【B8】 their products and work efficiency. As a result, the yearly income of the 【B9】 family increased from 1950 to 1975 【B10】 than the price of cars. For this reason 【B11】 a new car takes a smaller 【B12】 of a family’’s total earnings today. In 1951 【B13】 it took 8.1 months of an average family’’s 【B14】 to buy a new car. In 1962 a new car 【B15】 8.3 of a family’’s annual earnings, by 1975 it only took 4.75 【B16】 income. In addition, the 1975 cars were technically 【B17】 to models from previous years. The 【B18】 of automobile extends throughout the economy 【B19】 the car is so important
A. A．denied
B．reproduced
C．replaced
D．ridiculed