关节松动技术主要用于（）
A.改善和维持关节的活动范围
B.增加肌肉的力量
C.促进神经的发育
D.增加心肺功能
E.增加平衡和协调能力
参考答案：A
已知变量a、b已被赋值，要交换a、b的值，采用的算法是（ ）
A．a =" b," b =" a"
B．a =" c," b =" a," c =" b"
C．a =" c," b =" a," c =" a"
D．c =" a," a =" b," b = c
会计机构、会计人员有权对单位内部的会计资料和财产物资实施监督。
