以下关于登革病毒的描述正确的是() ["耐热","单链正股DNA","有3个血清型","耐酸","直径40~50nm"]
能治愈恶性疟的药物是() ["氯喹","乙胺嘧啶","伯氨喹","磺胺多辛","甲硝唑"]
连铸机最大浇注速度决定于()。 ["A、过热度,钢种S含量","B、铸机机身长度,出结晶器的坯壳厚度,拉坯力","C、切割速度,拉矫机速度"]
固定义齿中缺牙部分称作() ["冠内固位体","冠外固位体","固定连接体","活动连接体","桥体"]
有一幼儿出现血尿,声像图显示为肾内实质性肿块,最可能为() ["肾上腺髓样脂肪瘤","Wilms瘤","神经母细胞瘤","婴儿型多囊肾","肾错构瘤"]
变换工段原始开车前,需进行单体试车,联动试车,各废热锅炉()完毕。