练习篇：普通话舌尖前音水平测试

<p data-flag="normal" style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;">舌尖前音，平舌音zcs发音要点<br /></p><p data-flag="normal" style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;"><img data-key="0" src="http://imagev2.xmcdn.com/storages/8591-audiofreehighqps/C3/9A/CMCoOR4EcUH-AAGAKACqGAj7.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://imagev2.xmcdn.com/storages/8591-audiofreehighqps/C3/9A/CMCoOR4EcUH-AAGAKACqGAj7.jpg?op_type=0" data-large="http://imagev2.xmcdn.com/storages/8591-audiofreehighqps/C3/9A/CMCoOR4EcUH-AAGAKACqGAj7.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="324.6951219512195" data-preview="http://imagev2.xmcdn.com/storages/8591-audiofreehighqps/C3/9A/CMCoO...