document.write('<p>A</p><p>解析:天麻:平肝息风，镇痉止痛。黄芪:补气升阳，固表止汗，托毒生肌，利水退肿。山药:健脾胃，益肺肾。麻黄:发汗散寒，宣肺平喘，利水消肿。桑叶:疏风散热，清肝明目。</p>');