Listening 3 "Philosophy Class"

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What does the professor mean when she says this:

A. She is expressing p agreement.
B. She is introducing doubt.
C. She is maintaining a neutral position.
D. She is asking the students to agree.

烦恼和焦虑的区别要点错误的是（）

A、是否有明显的情绪

B、是否有痛苦的体验

C、是否有健康的心态

D、是否有现实的内容