document.write("·<a href='/html/4/art_view/1320/273649.html' target='_blank'>《探究斜面的机械效率》课堂实录</a><BR>·<a href='/html/4/art_view/1320/273646.html' target='_blank'>“动能”教学实录</a><BR>·<a href='/html/4/art_view/1320/273647.html' target='_blank'>“机械效率”教学实录</a><BR>·<a href='/html/4/art_view/1320/273653.html' target='_blank'>动能和势能</a><BR>·<a href='/html/4/art_view/1320/273644.html' target='_blank'>“三位一体”的实验教学模式</a><BR>·<a href='/html/4/art_view/1320/273654.html' target='_blank'>实验探究：测量滑轮组的机械效率</a><BR>·<a href='/html/4/art_view/1320/273652.html' target='_blank'>《机械能与内能》重难点剖析</a><BR>·<a href='/html/4/art_view/1320/273655.html' target='_blank'>机械效率</a><BR>·<a href='/html/4/art_view/1320/273648.html' target='_blank'>《探究斜面的机械效率》教学设计</a><BR>·<a href='/html/4/art_view/1320/273645.html' target='_blank'>“功”教学设计</a><BR>")