脚跟转
参考答案：向后迈出的脚的脚跟转。在动作过程中并上的脚必须与主力脚平行，旋转结束时身体重心移动至并上的那只脚。
我国出版物发行工作必须牢固树立政治意识、大局意识和责任意识，坚决拒绝单纯业务观点。
He ________ all his aims. But his efforts in the past few years have been praise-worthy.
A．could have achieved
B．wouldn’t have achieved
C．must have achieved
D．may not have achieved
