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【单选题】
下列阐述不正确的是( )。A.
汽车噪音对他人的影响被称为外部不经济
B.
如果社会成本大于私人成本就存在外部不经济
C.
在生产的负外部条件下，社会成本的均衡价格比私人成本高
D.
外部经济不会导致市场失灵
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反馈参考答案：
举一反三
【单选题】—When will you be free this month, Mr. Smith? ( ), maybe we'll be free next Sunday.
A.
Let me be
B.
Let me see
C.
I'm afraid
D.
Think it over
【简答题】补全对话，每空一词。 W= Wang G=Green G: Moming, Mr Wang. You're 1 today. Don't you usually come to school 2 bike? W: Yes, I do. But sometimes I walk. I like 3 . G: Walking is good. Look at the sun. It's a ...
【单选题】Do you know ___________?
A.
when will he be back
B.
when he will be back
C.
where did he go
D.
where will he go
【简答题】刘以鬯小说 被王家卫改编为《花样年华》,情节发展为 1960 年代背景下,周慕云与苏丽珍的爱情故事。
【单选题】听力原文：When will you be making the presentation? (A) In the conference hall, upstairs. (B) As soon as the clients are seated. (C) Around two weeks, apparently. (12)
A.
B.
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