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    A study published in September suggests there is a surprising way to get people to avoid unhealthy foods: change their memories. Scientist Elizabeth Loftus of the University of California at Irvine asked volunteers to answer some questions on their personalities (个性) and food experiences. “One week later,” Loftus says, “we told those people we'd fed their answers into our smart computer and it came up with an account of their early childhood experiences.” Some accounts included one key additional detail (细节): “You got sick after eating strawberry ice-cream.” The researchers then changed this detail into a manufactured (人为促生的) memory through leading questions—Who were you with? How did you feel? By the end of the study, up to 41% of those given a false memory believed strawberry ice-cream once made them sick, and many said they'd avoid eating it.
    When Loftus published her findings, she started getting calls from people begging her to make them remember hating chocolate or French fries. Unfortunately, it's not that easy. False memories appear to work only for foods you don't eat on a regular basis. But most important, it is likely that false memories can be implanted (灌输) only in people who are unaware of the mental control. And lying to a patient is immoral, even if a doctor believes it's for the patient's benefit.
    Loftus says there's nothing to stop parents from trying it with their overweight children. “I say, wake up—parents have been lying about Father Christmas for years, and nobody seems to mind. If they can prevent diseases caused by fatness and all the other problems that come with that, you might think that's a more moral lie. Decide that for yourself.”
    72. Why did Loftus ask the volunteers to answer some questions?
    A. To improve her computer program.           B. To find out their attitudes towards food.
    C. To find out details she can make use of             D. To predict what food they'll like in the future.
    73. What did Loftus find out from her research?
    A. People believe what the computer tells them.
    B. People can be led to believe in something false.
    C. People tend to forget their childhood experiences.
    D. People are not always aware of their personalities.
    74. According to the study, people may stop having a certain food if they ________.
    A. learn it is harmful for health                          
    B. lie to themselves that they don't want it
    C. are willing to let doctors control their minds
    D. think they once had a bad experience of eating it
    75. What is the biggest concern with the method?
    A. Whether it is moral.                                B. Who it is best for.
    C. When it is effective.                                D. How it should be used.

    72---75    CBDA  

    72．解析：这是一道细节推断题。Loftus教授“asked volunteers to answer some questions on their personalities and food experiences”，答题的目的是详细描述摄入食物的经验。
    73．解析：这是一道细节推断题。根据：“it is likely that false memories can be implanted ”可知人们易于接受错误的信息并保持这一信息。
    74．解析：这是一道细节题。从文中举的一个某次吃草莓冰淇淋导致不舒服就避免吃可以得到结论。
    75．解析：这是一道判断题。由最后一句“you might think that’s a moral lie. Decide that for yourself ”可知。
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    B
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