在运动中，长骨和关节分别起到的作用是[ ]
A．杠杆和动力作用
B．杠杆和支撑作用
C．杠杆和支点作用
D．动力和支点作用
答案：C
纳税人在办理（）时，应当向税务机关缴销发票。
A、注销税务登记
B、停歇业登记
C、报验登记
D、申请开具外出经营活动税收管理证明
After studying in a foreign language college for four years, Jane_____ her job as an
English teacher in the countryside.
[ ]
A. set out
B. took over
C. took up
D. set up
