新草品种必须经()审定。 ["国务院草原行政主管部门","全国草品种审定委员会","国家草品种检测中心","全国草原资源调查委员会"]
肺脓肿的诊断依据是() ["突然起病,畏寒","咳大量脓痰,伴有咯血","白细胞总数及中性粒细胞增多","X线胸片有大片浓密阴影,中有空洞形成,伴液平面","高热"]
不适宜性窦性心动过速与窦房折返性心动过速的鉴别主要根据() ["前者可经电生理检查诱发和终止","后者可经电生理检查诱发和终止","前者心率较快","后者心率较慢","前者多有器质性心脏病,而后者多无器质性心脏病"]
吸入性肺脓肿的好发部位() ["右上叶后段","双侧下叶基底段","双侧下叶背段","右侧中叶","肺尖"]
治疗单纯疱疹病毒性脑炎首选药物是() ["阿昔洛韦","阿糖腺苷","阿糖胞苷","利巴韦林","甲强龙"]
FP1-40型可编程序控制器,共有输入、输出点()个,其中输入点的点号从X0到X12F,输出点的点号从Y0到()。