The widespread use of search engines and online databases has affected the way people remember information, researchers are repo

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问题     The widespread use of search engines and online databases has affected the way people remember information, researchers are reporting. The scientists, led by Betsy Sparrow【B1】______ whether people were more possibly to remember information that could be easily searched from a computer, just as students are more likely to【B2】______facts they believe will be on a test.
    Dr. Sparrow and her team staged four different memory experiments. In one, participants typed 40 bits of information into a computer. Half of the subjects insisted the information would be saved in the computer: the other half believed the【B3】______ they typed would be erased. Those were more likely to remember information if they thought they would not be able to find it later. "Participants did not make the【B4】______ to remember when they thought they could later look up the information they had read," the authors write. The experiment explores an【B5】______of what is known as transactive(交互的)memory—the notion that we【B6】______ our family, friends as well as co-workers to store information for us. "I love watching baseball," Dr. Sparrow said. "But I know my husband knows baseball facts, so when I want to know something I ask him, and I don’t【B7】______to remember it. "
    The Internet’s effects on memory are still【B8】______ unexplored, Dr. Sparrow said, adding that her experiments had led her to conclude that the Internet has become our【B9】______ storage system. "Human memory," she said, "is【B10】______new communications technology. "
【B9】

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答案primary

解析 由空格后的storage system可知,空格处需填入一个形容词。结合录音可知,答案为primary,意为“主要的,基本的”。
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