Hedevotedhimself________tohisresearchwork,havingnotimetoplay
： He devoted himself ________ to his research work, having no time to play.A.exactlyB.gratefullyC. looselyD.entirely D解析试题分析：考查副词辨析：A. exactly确切地，B. gratefully感激地C.loosely松散地，D. entirely完全地，句意是：他全身心的投入到研究工作中，没时间玩。选D。考点：考查副词辨析：点评：对于不同的副词要放在上下文语境中进行辨析，还有识记副词的含义很重要。
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