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一个离散无记忆信源输出符号等概率分布，失真函数定义如下，试求：
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【简答题】obsession( )
【多选题】Which of the following sentences are appropriate with the word “obsession”?
A.
The current obsession with exam results is actually harming children’s education.
B.
He has an enthusiasm for art, to the point of obsession in my opinion.
C.
She looked after him with a devotion bordering on obsession.
D.
The poet seems to have an obsession with death.
【简答题】1什么是焦虑情绪? 2如何接纳焦虑情绪? 3你做的哪些活动是有益的? 4如何摆脱负性念头? 5调节焦虑情绪有几种方法?