题目
题目
单项选择题

Question at position 17 ________ is the deepest stage of sleep, during which we are least responsive to outside stimulation.Stage 1 sleepStage 3 sleepStage 4 sleepStage 2 sleep

选项
A.Stage 1 sleep
B.Stage 3 sleep
C.Stage 4 sleep
D.Stage 2 sleep
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标准答案
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思路分析
To analyze the question, we must match the deepest stage of sleep with the option that names it. Option 1: Stage 1 sleep. This is the lightest sleep stage, just drifting from wakefulness; it is not the deepest......Login to view full explanation

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