As Goldman had hoped, the carts were soon attracting larger and larger numbers of customers to his market. But not only did more people come — those who came bought more. With larger easier­to­handle baskets, customers unconsciously bought a greater number of items than before.

　　Today's shopping carts are five times larger than Goldman's original model. Perhaps that's one reason why Americans today spend more than five times as much money on food each year as they did before 1937 — the coming of the shopping cart.

　　语篇解读：本文是一篇记叙文，主要介绍了Goldman发明购物车的原因、经过和结果。

　　4．What do the underlined words “chrome­plated contraptions” in the first paragraph refer to?

　　A．Baskets.　B．Private cars.

　　C．Suitcases.

　　D．Shopping carts.

　　解析：选D　词义猜测题。根据画线词前的“... a part of his or her life behind a shopping cart.”可以得出，画线词的意思是购物手推车。

　　5．What was the purpose of Goldman's invention?

　　A．It was to prove him to be a good inventor.

　　B．It was to reduce the burden of his employees' work.

　　C．It was to make shopping easier and attract more business.

　　D．It was to help the disabled make shopping easily in his market.

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