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【单选题】
在长期中，一个垄断竞争企业生产的产量要使价格等于A.
边际成本
B.
边际收益
C.
平均可变成本
D.
平均总成本
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反馈参考答案：
举一反三
【单选题】听力原文：M: So, when are the other guys going to get here? The train is leaving in 10 minutes. We can't wait here forever! W: It's 10:30 already? They are supposed to be here by now! I told everybody to m...
A.
At 10:40.
B.
At 10:30.
C.
At 10:25.
【单选题】患者男性, 55 岁,因原发性甲状腺功能亢进住院,今日在全麻下行甲状腺双叶次全切除术,术后 24 小时,患者出现烦躁不安,体温 39 °C,脉搏 124 次 / 分,此时患者最可能出现了哪种并发症
A.
切口出血
B.
喉头水肿
C.
甲状腺危象
D.
甲状旁腺损伤
E.
切口感染
【单选题】听力原文：(A) The train is carrying containers. (B) The train is leaving the station. (C) The trees are being cut down. (D) Containers are being put on the train.
A.
B.
C.
【单选题】听力原文：M: So when are the other guys going to get here? The train is leaving in 10 minutes. We can't wait here for ever. W: It's 10:30 already. They're supposed to be here by now. I told everybody to me...
A.
At 10:30.
B.
At 10:25.
C.
At 10:40.
D.
At 10:4
【单选题】------Hurry up! The train is leaving at ten past fifteen. We only have half an hour. -------Oh, my God. I thought the train_______ at eleventhirty.
A.
is leaving
B.
wouldleave
C.
willleave
D.
were leaving
【单选题】听力原文：M: So, when are the other guys going to get here? The train is leaving in 10 minutes. We can't wait here forever! W: It's 10:30 already? They are supposed to be here by now! I told everybody to m...
A.
At 10:30.
B.
At 10:40.
C.
At 10:25.
D.
At 10:45.
【单选题】听力原文：M: The train goes at six fifteen. W: Oh! I have to hurry. The train is leaving in five minutes. Q: What's the time now? (20)
A.
Six o'clock.
B.
Six twenty.
C.
Six ten.
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