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How can the credit card recognize the spoken password given by the user? What is the main difference between the earlier model
How can the credit card recognize the spoken password given by the user? What is the main difference between the earlier model
admin
2009-06-15
44
问题
How can the credit card recognize the spoken password given by the user?
What is the main difference between the earlier model and the new voice card?
选项
A、The new one can identify itself by its ID squawk.
B、The new one Can produce beeps.
C、The new one needs the user to key in ID details.
D、The new one works only when it hears the password spoken by the user.
答案
D
解析
利用题干中的特征词earlier model和new voice card作为答案线索,同时注意备选项中出现的核心词/特征词ID.squawk,beeps,mdetails,这样发现答案相关句: But this earlier technology cannot prevent fraudulent use of stolen cards.The new one can.(前一句)This prevents fraudste rsrecording the beeps,noting the credit card details and then playing back the audible ID when they key in the details later.The new voice card also identifies itself by its ID squawk,(可见早期的音卡也能通过ID呼叫来加以识别,因此A不是答案) but it will not this until it has verified the legitimate user’s password.but 引导的转折句显然在暗示早期声卡和新的声卡的不同,因此判断D是答案。
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