A. traditional lighting is less durable and dearer B. a laser excited the quantum dots C. America adopted LEDS D. graduate stude

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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Edison’s bright invention is likely to be outdated because______.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

职称英语理工类A级

职称英语

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A. traditional lighting is less durable and dearer B. a laser excited the quantum dots C. America adopted LEDS D. graduate stude

职称英语理工类A级

职称英语

AdifferenttechniquesBsocialrelationshipsandcommunicationClanguageandinformationDseveralcausesworkingtogetherEa

FluShotsOrNot?ItsoundedlikeagoodideawhenNewYorkCity’smayor,RudollphGiuliani,advisedNewYorkersrecentlyto

TryingtoFindaPartnerOneofthemoststrikingfindingsofarecentpollintheUKisthatofthepeopleinterviewed,one

DeforestationandDesertification(沙漠化)TheSahelzoneliesbetweentheSaharadesertandthefertilesavannahs(热带大草原)ofnort

ThewriterbelievesthatthepopulationexplosionresultsfromAccordingtothepassage,whichofthefollowingstatementsabou

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