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  3. How can the credit card recognize the spoken password given by the user? What is the advantage of the voice card?

How can the credit card recognize the spoken password given by the user? What is the advantage of the voice card?

admin2009-06-15  40
问题 How can the credit card recognize the spoken password given by the user?
What is the advantage of the voice card?
选项 A、It is safer because it requires more ID information.
B、It is safer because the voice-recognition chip is built in.
C、It. is safer because no one but the user can use the card.
D、It is safer because it can hardly be cheated by fraudsters.
答案C
解析 问题问及声卡的advantage(优势)，备选项中都提到了“更安全”，所以也注意这个词在文章中的出现。这样发现答案相关句：Thieves will be unable to use the card because even if they knew the password they would have to be able to copy the owner’s voice with a high degree of accuracy．(呼应题干中的 safer)判断答案应该是C。
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