ชีท2
It is generally known that progress in water is most efficiently accomplished by using both arms and legs. But observation of self-taught swimmers would lend one to believe that most of them had never heard that legs are of equal importance with arms.
A. Self-taught swimmers tend to underestimate the importance of the legs in swimming.
B. The efficient use of both arms and legs is importance in good swimming.
C. Self-tuaght swimmers never become experts.