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A. traditional lighting is less durable and dearer B. a laser excited the quantum dots C. America adopted LEDS D. gr
A. traditional lighting is less durable and dearer B. a laser excited the quantum dots C. America adopted LEDS D. gr
admin
2011-01-02
51
问题
A. traditional lighting is less durable and dearer
B. a laser excited the quantum dots
C. America adopted LEDS
D. graduate students work hard
E. quantum dot mixtures are magic
F. it is more efficient
Edison’s bright invention is likely to be outdated because ______.
选项
答案
A
解析
依据是第一段的第一、二句。
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本试题收录于:
职称英语理工类A级题库职称英语分类
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职称英语理工类A级
职称英语
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