<p><span style="display: inline !important; float: none; background-color: transparent; color: rgb(51, 51, 51); font-family: -apple-system,SF UI Text,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 500; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; word-spacing: 0px;">基于事件系统实现的外卖派送系统中，订单事件的事件处理机制更适合采用（）</span></p>

<p><span style="color: rgb(0, 0, 0); font-family: &#39;Segoe UI&#39;, &#39;Lucida Grande&#39;, Helvetica, Arial, &#39;Microsoft YaHei&#39;, FreeSans, Arimo, &#39;Droid Sans&#39;, &#39;wenquanyi micro hei&#39;, &#39;Hiragino Sans GB&#39;, &#39;Hiragino Sans GB W3&#39;, FontAwesome, sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 25.888px; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: rgb(255, 255, 255);">幼儿的学习与发展在任何一个生活环节都是是综合表现出来的，这要求幼儿教师遵循（）</span></p>