A. a friendly and convenient device B. ways to download the stored information C. examples of other potential applications of th

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问题 A. a friendly and convenient device
B. ways to download the stored information
C. examples of other potential applications of the in pen
D. customers’ passion for the in pen
E. Fedex, the first user of the in pen   
F. working principle of the in personal digital pen
A. you don’t have to carry your laptop along
B. the information will be shown digitally on the pen
C. Fedex has special software to store your information
D. it works like an ordinary pen
E. you simply place the pen into its computer-connected cradle   
F. the movement of your pen is recorded digitally inside the pen

选项

答案D

解析 因为文章中多处谈到in personal digital pen很普通,所以判断D是答案。
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