肩周炎的主要治疗方法是
A.针灸
B.制动
C.功能锻炼
D.推拿按摩
E.理疗
参考答案:C
In the last few years thousands of films __________ all over the world.
A.have produced
B.have been produced
C.are producing
D.are being produced
加捻会对纱线的哪些性能产生影响?