粘稠胎粪污染羊水时，新生儿娩出后应立即（）
A.加压吸氧
B.应用呼吸兴奋剂
C.气管插管和气管内吸引
D.触觉刺激
E.胸外按压
参考答案：C
It's said that he will __________his uncle's business when he is mature enough to deal with the
public relations.[ ]
A. take over
B. think over
C. hand over
D. go over
与免疫系统相对隔绝部位的抗原是（）
A.肿瘤抗原
B.ABO血型抗原
C.Rh血型抗原
D.HLA分子
E.睾丸内容物
