题目内容

B2B平台模式细分为综合类B2B平台模式和垂直类B2B平台模式（）

A. 对
B. 错

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交际英语Listen to eight sentences and choose the correct response to each sentence.[音频]1

A. You are welcome.
B.I'd like to talk to Mr.Anderson.

2

A.Hello,may I speak to Tim?
B.Hello,778 5030.

3

A.Hello,is Mr.Brown in?
B.Hello,this is David Smith.May I speak to Mr. Brown?

4

A. OThank you.
B. Can Ileave a message?