2. 专升本
  3. 　　Many dog owners who talk to their dogs are convinced that their words are being understood. It【C1】________they may be right. A

　　Many dog owners who talk to their dogs are convinced that their words are being understood. It【C1】________they may be right. A

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问题 　　Many dog owners who talk to their dogs are convinced that their words are being understood. It【C1】________they may be right. A study at Emory University has found that dogs have a【C2】________understanding of words,  are able to distinguish words they have heard【C3】________from those they haven’t, and are【C4】________to try to understand what is being said to them.
　　Twelve dogs were【C5】________by their owners to take back two objects【C6】________the objects’ names-one soft toy and one rubber toy. The dogs were then【C7】________into an FMRI scanner and had their brain【C8】________monitored while their owners said the names of each toy as they held【C9】________up. As a control, the owner then spoke gibberish words, 【C10】________"bobbu" and "bodmicke", then held up novel objects like a hat or a doll.
　　They found【C11】________there was more activation in the auditory (听觉的) regions of the dogs’ brains when they reacted【C12】________the novel words, suggesting that they sensed that【C13】________owners wanted them to understand【C14】________they were saying, and were 【C15】________to do so.
　　"We expected to see that dogs neutrally discriminate【C16】________words that they know and words that they【C17】________,"said researcher Ashley Prichard, a PhD candidate in Emory University’s department of psychology. "What’s surprising is that the result is【C18】________ to that of research on humans—people【C19】________show greater neural activation for known words【C20】________novel words."
【C3】
选项 A、behind
B、beside
C、before
D、after
答案A
解析 behind意为“在后面，向后”；beside意为“在……旁边”；before意为“以前”；after意为“在……以后”。联系上下文，所填空句后的haven’t给出信息，本句意为：它们能够将以前听过的单词和没有听过的单词区分开来，所以C．before符合题意。
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