10. At galleries where customers were under surveillance.

原文： 2) A sales department, which was specially designed to allow customers to roam the aisles and select their own groceries. Removing unnecessary clerks, creating elaborate aisle displays, and rearranging the store to force customers to view all of the merchandise and over the shelving and cabinets units of sales department were “galleries” where supervisors were allowed to keep an eye on the customers while not disturbing them. (C段第五句话）

11. Why did Clarence Saunders want to propel the innovation of grocery at his age?

A. Because he was an enthusiastic and creative man.

B. Because his boss wanted to reform the grocery industry.

C. Because he wanted to develop its efficiency and make great profit as well.

D. Because he worried about the future competition from the industry.

原文：During his years working in the grocery stores, he found that it was very inconvenient and inefficient for people to buy things because more than a century ago, long before there were computers, shopping was done quite differently than it is today. …Saunders, a flamboyant and innovative man, noticed that this method resulted in wasted time and expense, so he came up with an unheard-of solution that would revolutionize the entire grocery industry: he developed a way for shoppers to serve themselves.(B-4)

12. What happened to Clarence Saunders’ first store of Piggly Wiggly?

A. Customers complained about its impracticality and inconvenience.

B. It enjoyed a great business and was updated in the first twelve months.

C. It expanded to more than a thousand franchised stores during the first year.

D. Saunders were required to have his new idea patented and open more stores.

原文：E. Piggly Wiggly and the self-service concept took off. Saunders opened nine stores in the Memphis area within the first year of business. Consumers embraced the efficiency, the simplicity and most of all the lower food prices. Saunders soon patented his self-service concept, and began franchising Piggly Wiggly stores. Thanks to the benefits of self-service and franchising,  Piggly Wiggly ballooned to nearly 1,300 stores by 1923.(E)

13. What left to Clarence Saunders after his death in 1953?

A. A fully automatic store system opened soon near his first store.

B. The name of his store the Piggly Wiggly was very popular at that time.

C. His name was usually connected with his famous shop the Piggly Wiggly in the following several years.

D. His name was painted together with the name of his famous store.

原文：G. Until the time of his death in October 1953, Saunders was developing plans for another automatic  store system called the Foodelectric. But the store, which was to be located two blocks from the first Piggly Wiggly store, never opened. But his name was well-remembered along with the name Piggly Wigg(G)