問題詳情

30. Neuroscientists have a growing ________ of tools—fMRIs, PET scans, high-density EEGs—towatch the nocturnal brain and see how it ticks throughout the sleep cycle.
(A) contraction
(B) liability
(C) accrue
(D) arsenal

參考答案

答案:D
難度:困難0.214286
統計:A(5),B(5),C(6),D(6),E(0)

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