A.Why Men Lack Capacity for Exercise over the Years
B.How Men’s Bones Are Arranged Differently from Women’s
C.Studies on Differences and Similarities between Men and Women
D.Men and Women:Some Differences
A.More oxygen needs to be prepared when a man is having surgery.
B.Man’s courage has nothing to do with male’s body structure.
C.A woman usually stays cooler in summer and warmer in winter.
D.It is easier for a man to lose his weight.
A.30,000.
B.60,000.
C.Approximately 30,000.
D.Above 30,000.
A.reduces road accidents to more than a half
B.saves lives while driving at a speed up to 30 miles per hour
C.reduces the death rate in traffic accidents
D.saves more than 15,000 lives each year