【名词&注释】
摩擦力(friction)、大气压力(atmospheric pressure)、体外受精(in vitro fertilization)、可摘局部义齿(removable partial denture)、牙周组织(periodontium)、传染性(infectious)、食物嵌塞(food impaction)、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]目前,我国禁止的生殖技术是
A. 人工授精
B. 同源人工授精(artificial insemination by husband)
C. 异源人工授精(artificial insemination by donor)
D. 无性生殖(asexual reproduction)
E. 体外受精
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