单项选择题

Questions 26 and 27 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the two questions.
Now listen to the news.
What does Mark Trevillyan do

A．A scientist.
B．A chemist.
C．A dentist.
D．A student.
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单项选择题
A．assignmentsB．informationC．contentD．definition
A．assignments
B．information
C．content
D．definition
单项选择题
A．enableB．stimulateC．advocateD．prevent
A．enable
B．stimulate
C．advocate
D．prevent
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