实现探测物体的位移和运动的功能，其功能代码是（）。
A、F5
B、F6
C、F7
D、F10
参考答案：A
根据课文内容填空
Li Hua plays football every day. In his _____小题1:_____ time, he studies English. He also enjoys _____小题2:_____ to music. It makes him _____小题3:______.
固溶体出现枝晶偏析后可用（）加以消除。
A、塑性变形
B、再结晶
C、扩散退火
D、回火
