2. 外语
  3. It has long been known that total sleep ______is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animal

It has long been known that total sleep ______is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animal

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问题 It has long been known that total sleep ______is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animals look completely normal.
选项 A、deposition
B、destruction
C、deprivation
D、reduction
答案C
解析 sleep deprivation剥夺睡眠。deposition沉积物。destruction毁灭，破坏。reduction减少。
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