What is the significance of the new technology? How many nanoseconds equal one second?

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问题 What is the significance of the new technology?
How many nanoseconds equal one second?

选项 A、One million.
B、Ten million.
C、One hundred million.
D、One billion.

答案D

解析本题考查细节判断。通过第三段信息10 nanometers = 10 millionths of a millimeter，(10纳米=1毫米的百万分之十)推导出one billion nanoseconds=one second。

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