【单选题】The fire-fighting practical training should take place in spaces which provide truly realistic training conditions, and whenever possible and practical should be carried out in ().
【单选题】用小鼠抗人CD3单克隆抗体检测T细胞,其结果代表的是
【单选题】用小鼠抗人 CD3 单克隆抗体检测 T 淋巴细胞,其结果代表
【单选题】用小鼠抗人CD3单克隆抗体检测T细胞,其结果代表的是
【判断题】根据边际消费倾向递减规律,收入越高,储蓄越少。