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23.

A. They have their weight reduced to the minimum.
B. They consume energy stored before the long sleep.
C. They can maintain their heart beat at the normal rate.
D. They can keep their body temperature warm and stable.

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24.

A. By staying in hiding places and eating very little.
By seeking food and shelter in people’s houses.
C. By growing thicker hair to stay warm.
D. By storing enough food beforehand.

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25.

A. To stay safe.
B. To save energy.
C. To keep company.
D. To protect the young.

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人员疏散的顺序中第一位是( )。

A. 一线员工
B. 管理人员
C. 旅客
D. 指挥人员

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使用微波炉进行烹饪时,仅可用( )。

A. 陶瓷
B. 耐热玻璃
C. 耐热塑料
D. 不锈钢

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23.

A. They have their weight reduced to the minimum. B. They consume energy stored before the long sleep. C. They can maintain their heart beat at the normal rate. D. They can keep their body temperature warm and stable.

24.

25.

人员疏散的顺序中第一位是( )。

使用微波炉进行烹饪时,仅可用( )。

A. They have their weight reduced to the minimum.
B. They consume energy stored before the long sleep.
C. They can maintain their heart beat at the normal rate.
D. They can keep their body temperature warm and stable.