功能祛风湿、利关节、清热解毒的药物是
A.豨莶草
B.秦艽
C.防己
D.木瓜
参考答案:A
情景:市人民医院急诊室里,进来了一个因为发高烧而痛苦地哭叫着的幼儿,初诊后,护士遵照医嘱,先给幼儿输液,接着把那些紧紧裹着幼儿的厚厚的衣服解开,然后用纱垫醮着酒精在幼儿身体的不同部位小心地擦拭,一会儿,幼儿安静地躺在妈妈的怀里了.请回答:上文中画了横线的操作应用了哪些物理原理?
"______" means "to have, show confidence or pride in one’s worth, good character, ability, .etc".
A. To ride one’s high horse B. To keep a straight faceC. Not to bat an eyelid D. To hold one’s head high