单项选择题

选项说明：正确答案在小写字母abcdef之中，比如你认为a为正确答案，则在答题系统中选择a所在的大写字母ABCDEF之一。
A、a
B、b
C、c
D、d
E、e
F、f

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单项选择题

功能性死亡被定义为

A．脑电波消失
B．对外界刺激不再能反应
C．无法思考、推理和感觉
D．心跳和呼吸停止

8. She enjoys talking with friends and its never tired when she is chatting with her good friends.

答案： She enjoys talking and is never tired of chatting with her g...