New Words：

alive [əˈlaɪv] adj. 在世；意识到；活着；情绪饱满

Sample Sentences：

Is your mother still alive ?
She had to steal food just to stay alive.
Doctors kept the baby alive for six weeks.
We don't know whether he's alive or dead.

whether [ˈweðər] 是否；不管；无论；会不会

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