64.Which of the following may cause health crisis?

A.Processed foods                            B.Fresh produce        

C.Whole grains                                D. Various vegetables

 

B

One hundred and thirteen million Americans have at least one bank-issued credit card(信用卡).They give their owners automatic(自动的)credit in stores, restaurants, and hotels, at home, across the country, and even abroad, and they make many bank services available as well. More and more of these credit cards can be read automatically, making it possible to withdraw(取回)or deposit money in scattered locations, whether or not the local branch bank is open. For many of us the “cashless society” is not on the horizon―it’s already here.

While computers offer these conveniences to consumers, they have many advantages for sellers, too. Electronic cash registers can do much more than simply ring up sales. They can keep a wide range of records, including who sell what, when, and to whom. This information allows businessmen to keep track of their list of goods by showing which items are being sold and how fast they are moving. Decisions to record or return goods to suppliers can then be made. At the same time these computers record which hours are busiest and which employees are the most effective, allowing personnel and staffing assignments(人员安排)to be made accordingly. And they also identify preferred customers for promotional campaigns. Computers are relied on by manufactures for similar reasons. Computer-analyzed marketing reports can help to decide which products to emphasize(强调)now, which to develop for the future, and which to drop. Computers keep track of goods in stock, of raw materials on hand, and even the production process itself.

Numerous other commercial enterprises, from theaters to magazine publishers, from gas and electric utilities(公用事业)to milk processors, bring better and more efficient services to consumers through the use of computers.

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