【名词&注释】
体外受精(in vitro fertilization)、同源人工授精(artificial insemination by husband)、异源人工授精(artificial insemination by donor)、无性生殖(asexual reproduction)
[单选题]碘酊用于口腔黏膜消毒常用的浓度
A. 0.5% B. 1.0% C. 2.0% D. 3.0% E. 5%