决定肌力大小的最重要的解剖学因素是肌肉的发达程度,即肌肉的生理横断面。
A. 对
B. 错
肌肉受阻力作用逐渐增长,使运动环节朝肌肉拉力相反的人向运动的工作,叫做退让工作。
A. 对
B. 错
The change in government is a/an ____ event of our time.
A. historic
B. historical
C. permanent
D. eternal
My grandfather entertained us with stories of wartime ____.
A. explores
B. exploits
C. explorations
D. explosions