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A LED Lighting Is Not Mature B LED Lighting Will Replace Traditional Lighting C Almost Everything Could Be the Main Light
A LED Lighting Is Not Mature B LED Lighting Will Replace Traditional Lighting C Almost Everything Could Be the Main Light
admin
2009-06-15
49
问题
A LED Lighting Is Not Mature
B LED Lighting Will Replace Traditional Lighting
C Almost Everything Could Be the Main Light Source in the Future
D LED Lighting Has Many Advantages
E Bowers Made an Unexpected Discovery
F LED Light Bulbs Look Lumpy
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
选项
答案
F
解析
题干涉及的内容在第五段可以找到,有关的句子是:“LEDs don’t emit heat,so they’re also more energy efficient”,很明显,F是答案。
转载请注明原文地址:https://kaotiyun.com/show/Hxhd777K
本试题收录于:
职称英语理工类基础题库职称英语分类
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