坚持对外开放是建设有中国特色社会主义的一项长期的基本方针。 ( )
参考答案：错
She ___ volleyball regularly for many years when she was young．
A．was playing
B．played
C．has played
D．had played
良好的医疗作风可以减少误诊、提高医疗质量。
