A.AnyB.HeC.ItD.Both
Any
B. He
C. It
D. Both
A.beforeB.belowC.onD.to
A. before
B. below
C. on
D. to
The distributions of the risk of heart disease are closely related to race.
A. Right
B. Wrong
C. Not mentioned
There was a greater proportion of men than women in the survey.
A. Right
B. Wrong
C. Not mentioned