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
Something unexpected happened during Bower’s experiment when______.

选项

答案B

解析与题干有关的内容在第三段第二、三句中可以找到。根据这两句表达的意思，B是正确答案。

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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

A.toavoidunpleasantthingsinlifeB.inlookingonthebrightsideoflifeC.lesslikelytocatchcoldD.howonelookson

AmericanDreamsThereisacommonresponsetoAmericaamongforeignwriters:theUSisalandofextremeswherethebestof

Someastronomerscontendthattheuniversemaybeyoungerthanpreviouslybelieved.

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

WhichofthefollowingstatementsisNOTtrueoftheJapaneseconceptcar?WhatisthefunctionofthecameramentionedinPara

WhatdoesProfessorLibbrechtbelievetobetrue?Itcanbefeltfromthedescriptioninthe2ndparagraphthattheauthor

Reliefworkerswereshockedbywhattheysaw.

Wehavetoactwithintheexistinglegalframework.

Shecameacrossthreechildrensleepingunderabridge.

ATheCostofConvenienceBASurprisingAnswerGivenbytheEconomistsCTheEffectofInflationDMiddlemen’sLimitedSharein

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护士对欲行阴道后穹窿穿刺患者解释操作，正确的是

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