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【单选题】
设集合A= ，B= ，则 等于A.
B.
C.
D
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【简答题】Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen. to the conversation. What is the conversat...
【单选题】What’s the difference between an e-mail conversation and a telephone conversation?
A.
E-mail conversation requires an immediate response.
B.
Telephone conversation is an interactive conversation.
C.
There are no differences between an e-mail conversation and a telephone conversation .
【单选题】What's the difference between an email conversation and a telephone conversation?
A.
There are facial and voice cues to help email conversation but there is none to help a telephone conversation.
B.
Email is an interactive conversation, but telephone conversation isnt.
C.
An email conversation does not require an immediate response, but a telephone conversation does.
D.
None of the above.
【单选题】Initiating conversation means _____________.
A.
starting conversation
B.
ending conversation
C.
interrupting conversation
D.
keeping conversation
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