目的是系统行为的向导和（）的体现；行为是系统目的得以实现的保证。
参考答案：最终结果
Please _____ my homework to Jack, and tell him to _____ to the math teacher. [ ]
A. hand in; pass it on
B. pass on; hand in it
C. pass on; hand it in
D. hand in; pass on it
残留晕的形态
