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  3. What is the significance of the new technology? Which of the following statements is NOT true as to LADI?

What is the significance of the new technology? Which of the following statements is NOT true as to LADI?

admin2009-06-24  61
问题 What is the significance of the new technology?
Which of the following statements is NOT true as to LADI?
选项 A、It could allow electronics manufacturers to increase the density of transistors on silicon chips by 100 times and simplify production meanwhile.
B、A mould is pressed against a piece of silicon and a laser pulse is applied for just 20 billionths of a second before it’s done.
C、It could result in more powerful computers and memory chips.
D、It limits advancements in chip size and speed.
答案D
解析 本题考查细节判断。文章第二段"The discovery，by Stephen Chou and fellow scientists at Princeton University in New Jersey，could allow electronics manufacturers to increase the density of transistors on silicon chips by 100-fold and streamline production at the same time．文章第八段…pressed a mould against a piece of silicon and applied a laser pulse for just 20 billionths of a second．文章第四段The achievement，which could pave the way for more powerful computers and memory chip…文章第七段Scientists had been looking for a replacement for silicon because they thought it would be impossible to improve the silicon chip，which would limit advancements in chip size and speed．没有这项新技术以前人们想要找东西替换silicon，以为没办法改进silicon chip(芯片)，会限制芯片的大小与速度。故答案选项的表述是错误的。
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