单项选择题



Which industry in America has the most work-related deaths()

A.Fishing industry.
B. Mining industry.
C. Construction industry.
D.Medical industry.

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When did the unemployment rate begin to increase()

A. Last April.
B. Last May.
C. Last August.
D. Last October.
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What are the most popular ESP courses in Britain()

A. Courses for doctors.
B.Courses for businessmen.
C. Courses for reporters.
D. Courses for lawyers.
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