ThereisanEnglishsaying，amp;quot;（71）___amp;quot;Untilrecently，fewpeopletookthesayingseriously．Nowhowever，doctorshavebeguntolookintolaughterandtheeffectsithasonthehumanbody．（72）___Testswerecarriedoutto
<p>问题：ThereisanEnglishsaying，amp;quot;（71）___amp;quot;Untilrecently，fewpeopletookthesayingseriously．Nowhowever，doctorshavebeguntolookintolaughterandtheeffectsithasonthehumanbody．（72）___Testswerecarriedouttostudy<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">史玉苓的回答：<div class="content-b">网友采纳 71．F．推理判断题．从前面的句子：have begun to look into laughter and the effects it has on the human body医生开始研究笑以及对人类...
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