A-A+
According to the selection more than half of a
问题详情
According to the selection,more than half of a person"s body is composed of .
A．voluntary muscles
B．rriuscle fibers
C．involuntary muscle
D．sensory nerves此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：题目问：人的身体的一半以上都是有什么组成?第三段第一句“More than half of a person’s bodyis composed of muscle fibers．”通过此句话可知，一个人身体的一半以上都是肌肉纤维组成的。据此判断，应选择B。
