A．螺疔
B．蛇头疔
C．蛇眼疔
D．蛀节疔
E．鱼肚疔
生于手指骨节间的疔疮称为

M: I was surprised to see Kate using that microphone you were going to throw away.W: Yes. it’s very old. That she got it to work surprises me.Q: What does the woman mean?（）

A．No one knows how Kate gets to work.
B．She doesn't think the microphone works.
C．She threw the microphone away.
D．It's surprising that Kate could repair the microphone.

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W: Don’t you feel responsible for the mess?M: Why should I? I have to authority.Q: How docs the man feel about the problem?（）

A．Responsible.
B．Unconcerned.
C．Confused.
D．Upset.

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