Now it is clear that laser light has () applications.A.dangerousB.coherentC.mysteriousD.numerous

相关问题 1：

关于激光的英文“laser”，正确的是A、light activation by stimulation emanation of radiationB、luminant amplimeter by stimulation emission of radiationC、light activation by strong emission of radiationD、luminant activation before strong emission of radiationE、light amplification by stimulation emission of radiation

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相关问题 2：

How long() you() a member of the club?A.have,,joinedB.have,,beenC.has,,joinedD.has,,been

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相关问题 3：

He said that he ______ already _______ the English film.A. has; seenB. has; seeC. had; seen

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相关问题 4：

He () some difficulty () the book into Japanese.A、is, to translateB、has, to translateC、is, in translatingD、has, in translating

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相关问题 5：

Why is she ( )lunch so early? It's only 10 now.A. havingB. haveC. has

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相关问题 6：

Whichfouraretrue?()A.Has-arelationshipsshouldneverbeencapsulated.B.Has-arelationshipsshouldbeimplementedusinginheritance.C.Has-arelationshipscanbeimplementedusinginstancevariables.D.Is-arelationshipscanbeimplementedusingtheextendskeyword.E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.

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相关问题 7：

When William hurried home, he found that his mother ____already ____to hospital.A、has; been sentB、had; sentC、has; sentD、had; been sent

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