A．Non-Americans add to the average height of the natio
B．Human height is conditioned by the upright postur
C．Americans are the tallest on average in the worl
D．Larger babies tend to become taller in adulthood

A．the garment industry will reconsider the uniform siz
B．the design of military uniforms will remain unchange
C．genetic testing will be employed in selecting sportsme
D．the existing data of human height will still be applicabl

A．the change of human height follows a cyclic patter
B．human height is becoming even more predictabl
C．Americans have reached their genetic growth limi
D．the genetic pattern of Americans has altere