单项选择题

What does the speaker tell the listeners to learn about

A. Clients’ needs
B. Production techniques
C. Their competitors
D. Public speaking
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单项选择题
Why is Dr. Burn invited this evening
A. To teach medical students
B. To talk about stress and heart attacks
C. To make a presentation to cardiac specialists
D. To meet the Thomas University faculty
单项选择题
What will Dr. Nora Solomon talk about
A. Raising public awareness of environmental policy
B. The health problems of people who live in cities
C. The impact of paper production on the environment
D. Improving environmental research technology
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