伸指肌腱在Ⅴ区断裂，缝合后应将（）指间关节取屈曲位，（）指间关节取过伸位固定。
参考答案：近侧；远侧
已知向量a=(-2,3),b∥a,向量b的起点为A(1,2),终点B在坐标轴上,则点B的坐标为 .
I'm very sorry to have bothered you with so many questions on such a(n) ________.[ ]
A. chance
B. opportunity
C. occasion
D. situation
