The Irvine group and their _____ are testing whether lasers do the job better.

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问题 The Irvine group and their _____ are testing whether lasers do the job better.

选项 A、accomplices
B、collaborators
C、confederates
D、partners

答案B

解析 考查名词词义辨析。collaborator尤指“(科学、艺术方面的)合作者,协作者”,符合题意。accomplice指“同犯,帮凶”;confederate意为“同谋者,共犯;同盟者,盟国”;partner或指“伙伴,搭档”,或指“股东,合伙人”,还可指“同伙,生活伴侣”。
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