1.
If after vigorous exercise a person’s pulse rate remains high for a long while, he or she _____________.
A) has an unusually strong heart
B)must be suffering from some disease
C)should go to the hospital to have a check-up
D)needs to reduce the intensity of the exercise
2.
One way in which exercise can improve our health is that it helps us to___________.
A) lose weight
B) sweat
C)build muscles
D) gain confidence
3.
Dieting is not an effective way to lose weight unless____.
A) it is accompanied by exercising
B)you drink nothing but skim milk
C)you avoid eating fatty meat
D)you take more vitamins when exercising
4.
The problem with most Americans’diet is they________.
A)drink too much milk
B)drink too much alcohol
C)consume too much meat and sugar
D)don’t get enough thiamine
5.
According to Dr. Mirkin, drugs such as amphetamines cannot increase an athlete’s performance,because________.
A) they actually do harm to his or her health
B) they only stimulate his or her imagination
C) they increase his or her strength only temporarily
D) they actually slow down his or her reactions