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According to the news, what is it that makes the credit card different from conv
According to the news, what is it that makes the credit card different from conv
游客
2024-08-05
20
管理
问题
According to the news, what is it that makes the credit card different from conventional ones?
A credit card that only works when it hears its owner’s voice has been developed by US scientists. Researchers hope that the device, which comes with the built-in voice-recognition chip, and microphone, will be a weapon in the battle against credit card fraud. Even if thieves know a card’s password and personal identification number, they’ll still have to copy the owner’s voice accurately. The trial card was created by scientists at "B-card", in California. The first version is three times as thick as a normal credit card, but researchers believe smaller chips will allow the card to slim down to a more conventional size. The card is apparently the first to put voice-recognition chip, microphone, speaker, and battery into a credit card.
选项
A、It can recognize the owner’s face.
B、It can identify the owner’s voice.
C、It can remember the owner’s password.
D、It can store the owner’s personal information.
答案
B
解析
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