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Years ago we didn’t know this, but recent science that people who don’t sleep we

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Years ago we didn’t know this, but recent science that people who don’t sleep we

Years ago we didn’t know this, but recent science ________ that people who don’t sleep well soon get ill．

[]A．

showed

B．

has shown

C．

will show

D．

is showing

试题答案

答案：B

解析：

从recent“最近的”可知，应该用现在完成时态表示近期发生的动作。

标签：sciencerecentbutwhopeople

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