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  3. How can the credit card recognize the spoken password given by the user? Are the engineers at Beepcard satisfied with the model

How can the credit card recognize the spoken password given by the user? Are the engineers at Beepcard satisfied with the model

admin2009-06-15  69
问题 How can the credit card recognize the spoken password given by the user?
Are the engineers at Beepcard satisfied with the model they have built? Why or why not?
选项 A、Yes, because the model they have built is a standardized credit card.
B、No, because the model they have built is too heavy.
C、No, because the model they have built is too thick.
D、Yes, because the model they have built is used worldwide.
答案C
解析 利用题干中的特征词Beepcard作为答案线索，并发现B和C在结构上呼应，因此重点注意，这样发现答案相关句：A prototype built by engineers at Beepcard in Santa Monica，California，represents the first attempt to  (pack a microphone，a loudspeaker,a battery and a voice-recognition chip into a) standard-sized credit card．They are not quitet here yet：the card is the length and width of an,ordinary credit card, but it is still about three times as thick． chips to slim it down to normal thickness．有关“厚度”的句子两次出现，暗示“厚度”是一个问题，因此判断C是答案。
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