The 1920s saw the emergence of widespread car ownership in the United States. Assembly-lin

e 【C1】______ made cars wonderfully cheap, credit was available on the cheapest terms and the irresistible 【C2】______ of the car to the consumer did the rest. The result was a complete 【C3】______ of American life.

The car began to break 【C4】______ the ancient division between town and 【C5】______ . The movement perhaps began 【C6】______ the prosperous middle class, 【C7】______ for a holiday from New York, 【C8】______ were delighted to discover the rest of their country. 【C9】______ the cheapest car also enabled the working class to travel, for pleasure or in 【C10】______ of work. Even poor country people, it 【C11】______ out, could own cars and when they did so, many of them used the freedom thus 【C12】______ to depart to the West or to the cities.

Even more important, perhaps, was the 【C13】______ of the car on daily life. It came into 【C14】______ for all sorts of short trips, to work or to the 【C15】______ , which had previously been made by trolley bus or 【C16】______ . It made a whole new pattern of living possible. Vast suburbs began to 【C17】______ over the land. No longer 【C18】______ you have to live in comparatively cramped housing near the railroad station. Nor did you have to 【C19】______ your annual holiday at one of the traditional, crowded resorts nearby. 【C20】______ , you could speed over the hills and far away.

【C1】

A．process

B．system

C．production

D．creation