单项选择题

Questions 14 - 16 are based on a talk of email and instant messages. You now have 15 seconds to read Questions 14 - 16. How many email messages did Americans send in 1999

A．2.2 billion.
B．2.2 million
C．293 million.
D．293 billion.
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单项选择题
Whom is the talk addressed to
A．Freshmen in the university.
B．Teachers of different backgrounds.
C．Students and teachers from computer college.
D．Regular MA students and in-service teachers.
单项选择题
What is the topic of the man’s research paper
A．Egypt today.
B．Egyptian ancient history.
C．Egypt in 900-999.
D．Travel in Egypt.
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