Everybodyshouldhavesomeleveloffirstaidability，becauseaccidentsandmedicalemergenciescanhappenanywhereatanytime．StJohnFirstAidcoursesgiveyoutheknowledgeandconfidencetoprovideeffectivefirstaidwheneverit#
<p>问题：Everybodyshouldhavesomeleveloffirstaidability，becauseaccidentsandmedicalemergenciescanhappenanywhereatanytime．StJohnFirstAidcoursesgiveyoutheknowledgeandconfidencetoprovideeffectivefirstaidwheneverit#39;sneeded．<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">潘玮炜的回答：<div class="content-b">网友采纳 21---23BBA21 B 考查细节理解题．根据FirstAidLevel1中提到Duration（持续时间）：Eighthours可知要花八个小时在这个课程上，故选B项．22B 考查细节理解题．根据Pre-Ho...
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