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
A.make the front seat passengers wear a seat belt
B.make the front seat children under 14 wear a seat belt
C.stop children riding in the front seat
D.wear a seat belt each time he drives