根据血压升高的水平,高血压可分为1,2,3级,以下属于高血压2级的是() ["收缩压120—139mmHg和(或)舒张压80—89mmHg","收缩压140—159mmHg和(或)舒张压90—99mmHg","收缩压160—179mmHg和(或)舒张压100—109mmHg","收缩压>180mmHg和(或)舒张压>110mmHg"]
下列哪项不属于思维内容障碍:() ["联想松弛","被害妄想","被洞悉感","夸大妄想","自罪妄想"]
足月儿生后第1小时内呼吸率可达() ["40~50次/分","50~60次/分","60~70次/分","60~80次/分","70~80次/分"]
CMD-3将精神疾病分为:() ["2类","5类","9类","10类","12类"]
淀粉糊化的实质
液压系统中的压力取决于(),而输入的流量决定执行元件的(),压力与流量的乘积就是液压系统的()。