Eta Carinae is now engaging in The word "period" in Paragraph 3 means the length of time

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问题 Eta Carinae is now engaging in
The word "period" in Paragraph 3 means the length of time

选项 A、over which stars vary in brightness.
B、for which Eta Carinae’s brightening lasts.
C、Eta Carinae takes to become a supernova.
D、it takes the laser from Eta Carinae to travel to the earth.

答案A

解析

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本试题收录于：职称英语理工类C级题库职称英语分类

职称英语理工类C级

职称英语

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Eta Carinae is now engaging in The word "period" in Paragraph 3 means the length of time

职称英语理工类C级

职称英语

CommonProblems,CommonSolutionsThechancesarethatyoumadeupyourmindaboutsmokingalongtimeago—anddecidedit’s

Whatdoactivistsworryabout?Theword"message"inthelastparagraphmeans______.

MusicUsedAsaHealingTherapy1.Musichaslongbeenusedtotreatpatientssufferingfromdifferentproblems.In400BC,

Earthquake1.Everyyearearthquakesareresponsibleforalargenumberofdeathsandavastamountofdestructioninvariou

Common-coldSenseYoucan’tbeatit,butyoudon’thavetojoinit.Maybeitgotthename"commoncold"becauseit’smorec

IntheUS,aperson’scompanybuyshimorherhealthinsurance.TheinternationalstudentsintheUSworkharderthantheAmeri

Inthelattercasetheoutcomecanbeseriousindeed.

A.ifthereisn’tenoughdopamineinyourbodyB.whataffectsmusclesallthroughyourbodyC.whichcannotbecuredyetD.if

HowdidEnglishBecomeaGlobalLanguage?1TheriseofEnglishisaremarkabletaleasProfessorDavidCrystalremindsusinhi

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