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问题:

[单选] 阅读材料,回答题。The New Technology ApplicationOn a more mundane level, third-generation mobile telepho

A . are being used to offer wireless access
B . are usually used to offer high-speed, mobile internet access
C . are already cheap enough to be used as passports
D . ale expected to be used as a means to control inventory

参考答案:

  参考解析

【答案】D
【解析】本题答案在原文第一段。“Soon they will be small.powerful enough tO be implanted into everything from humans to milk cartons,…0r serve as form ofinventory control.”由此可见,D“无线电频率识别装置将可用来控制存货”为正确选项。

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