植物和动物的区别在于它们是否是生物。

The difference between plants and animals is whether they are ___alive.

她的生活充满了欢乐和冒险。

Her ___life is full of joy and adventure.

他的一生都在追求科学真理。

He spent his ___life pursuing scientific truth.

她的学生生活非常忙碌但充实。

Her student ___life is very busy but fulfilling.

她的演讲充满活力，让整个房间都活跃了起来。

Her speech was full of ___life and energized the whole room.