学前儿童的注意不稳定、易转移,与教师的教学方法无关。 @font-face { font-family: "Times New Roman"; }@font-face { font-family: "宋体"; }p.MsoNormal { margin: 0pt 0pt 0.0001pt; font-family: "Times New Roman"; font-size: 12pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }