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  3. The three biggest lies in America are;(1)"The check is in the mail" ,(2)"Of course I’ll respond you in the morning" , and(3)"It

The three biggest lies in America are;(1)"The check is in the mail" ,(2)"Of course I’ll respond you in the morning" , and(3)"It

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问题     The three biggest lies in America are;(1)"The check is in the mail" ,(2)"Of course I’ll respond you in the morning" , and(3)"It was a computer error. "
    Of these three little white lies, the worst is the third. It’ s the only one that can never be true.
    Today, if a bank statement cheats you out of $900 that way, you know what the clerk is sure to say, "It was a computer error. " Nonsense. The computer is reporting nothing more than what the clerk typed into it.
    The most annoying case of all is when the computerized cashier in the grocery store shows that an item costs more than it actually does. If the innocent buyer points out the mistake, the checker, bagger, and manager all come together and offer the familiar explanation: "It was a computer error. "
    It wasn’t, of courses that computerized cashier is really nothing more than an electric event.
    The eye reads the Universal Product Code—chat bar of black and white lines in a corner of the package—and then checks the code against a price list stored in memory. If the price list is right, you’ll be charged accurately.
    Grocery stores update the price list each day—that is, somebody sits at a keyboard and types in the prices. If the price they type in is too high, there are only two explanations: carelessness or dishonesty. But somehow "a computer error" is supposed to excuse everything.
    One reason we let people hide behind a computer is the common misperception that huge, modern computers are electric brain with "artificial intelligence. " At some point there might be a machine with intelligence but none exists today. The smartest computer on Earth right now is no more intelligent than your average pen. At this point in the development of computers, the only thing any machine can do is what a human has instructed it to do.  
Which of the following describes the main idea of the passage?
选项 A、Computers are stupid and inefficient.
B、Computer errors are due to its dishonesty.
C、Computers help stores update the price list.
D、Computer errors are actually human errors.
答案D
解析 主旨大意题。文章通过列举银行和杂货店的例子，说明了商家通常会 以computer errors来推脱责任，然而目前所有的电脑都是由人来控制的，所以那些 computer errors本质上都是human errors。故选D。
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