Listen to the dialogues and choose the best answer for each question.Dialogue One question 1
A. Mr. Black always keeps in touch with his business partners by e-mail.
B. E-mail offers greater control and protection for the delivery of important documents.
C. Mail safe is a secure online document-delivery system.
D. Mr. Black is a business man.
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question 2
A. Because it delivers mail from door to door.
Because it costs much higher than e-mail.
C. Because it is much faster than e-mail.
D. Because it takes greater security measures.
Dialogue Two question 1
A. She works part-time for a trading company.
B. She has started an online trading company.
C. She has a part-time job with Alibaba.
D. She sells Chinese products through Alibaba.
question 2
A. 7.4 millions.
B. 5.6 millions.
C. 2.8 millions.
D. 1.8 millions.
question 3
A. Part-time jobs
B. College majors.
C. Online businesses.
D. Internet information.
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