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SleepSmart is a clock that As you sleep, the headband
SleepSmart is a clock that As you sleep, the headband
admin
2009-06-15
37
问题
SleepSmart is a clock that
As you sleep, the headband
选项
A、analyses your sleep cycle every 90 minutes.
B、records the time when you fall into deep sleep.
C、communicates wirelessly with a computer.
D、measures the electric activity of your brain.
答案
D
解析
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本试题收录于:
职称英语理工类C级题库职称英语分类
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职称英语
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