单项选择题

以下是2005年全国资金流量表实物交易部分，请根据该表数据回答以下有关问题。

2005年全国支出法GDP比生产法GDP大( )亿元。
A．-5476
B．14970
C．-14970
D．5476

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B.-5476
B．14970
C．-14970
D．5476

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听力原文：M: Good morning, Dr Ellis' Office.
W: This is Mrs Jackson. May I speak to the doctor?
M: Mrs Jaekson. Dr Ellis here. How's that new tooth?
W: Not so good, doctor. That's what I'm calling about. It just doesn't seem to fit right.
M: Well, that's to be expected during the first few days after it has been put in. Have you been leaving it in as I told you?
W: Well, it hurts so much, doctor. Especially when I eat.
M: I understand, Mrs Jackson. It hurts in the beginning, I know. But it's really better to leave it in, except when you clean it, of course.
W: Well, I did at first, doctor, but it hurt so much that I just couldn't stand it any longer.
M: Well, maybe we can set it right a little more.
W: Set it right?
M: Yes, when can you come here?
W: Oh, right away, doctor, if you don't mind.
M: Let me see. Can you get here by 11:00?
W: Oh, yes, doctor, I can make it. Thank you. See you then.
Why did the woman go to the doctor's a few days ago?
A．She had a bad tooth taken out.
B．She had her new tooth examined.
C．She had a false tooth filled in.

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单项选择题

A．醋酸纤维素
B．氯化钠
C．聚氧乙烯(相对分子质量20万到500万)
D．硝苯地平
E．聚乙二醇
渗透泵片处方中的渗透压活性物质是

A.醋酸纤维素
B.氯化钠
C.聚氧乙烯(相对分子质量20万到500万)
D.硝苯地平
E.聚乙二醇
渗透泵片处方中的渗透压活性物质是