动作技能练习到一定阶段时,会出现进步暂时停止或下降难以有所提高的现象是( )
A.定势现象
B.迁移现象
C.退步现象
D.高原现象
参考答案:D
The poor man , ________,ran out of the dark cave.
A.tiring and frightened
B.tired and frightened
C.tired and frightening
D.tiring and frightening
德育目的与教育目的有什么关系?