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【单选题】
清晨，我们看到一些晶莹剔透的露珠附着在小草上，如图所示。 这些露珠是由于空气中的水蒸气发生了下列哪种物态变化而形成的 [ ]A.
汽化
B.
凝华
C.
升华
D.
液化
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反馈参考答案：
举一反三
【多选题】中外文电子图书数据库有哪些?( )
A.
超星数字图书馆、正中文电子书
B.
书生之家数字图书馆、世纪顶新外文数字图书馆
C.
OCLC Net Library 电子图书，SpringerLink
D.
John Wiley，Ebrary外文电子图数据库
【简答题】Conversation 2 Question 18A. He is a
regular customer. B. He is one
of her friends. C. He is the
manager of the store. D. He is a
new customer of the store.
【单选题】Section C Conversation 2 18.
A.
For two years.
B.
For three years.
C.
For five years.
D.
For six years.
【单选题】Conversation 2 18)
A.
He has to meet a client.
B.
He has to finish a report.
C.
He has to prepare for a meeting.
D.
He has to fix his computer.
【简答题】A．in circles B．in accord C．in case D．in essence
【单选题】Conversation 2 18.
A.
An auto company.
B.
An IT company.
C.
A shipping company.
D.
A food company.
【简答题】Conversation 2 18.
【单选题】18(Conversation 2)
A.
Next Tuesday.
B.
Next Wednesday.
C.
Next Thursday.
D.
Next Friday.
【单选题】Conversation 2-18
A.
For six years.
B.
For five years.
C.
For three years.
D.
For two years.
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