脂肪中脂肪酸的不饱和度增加，对其酸败的影响是（）
A.减速
B.增速
C.延缓
D.抑制
E.无影响
参考答案：B
双手及关节等功能部位深度烧伤，宜采取（）
A.扩创植皮术
B.切痂自体微粒皮肤移植异体皮覆盖术
C.切痂后整张中厚自体皮肤移植术
D.削痂植皮术
E.蚕食脱痂植皮术
17．If Tom finds a favourite song, he may want to hear it over and over again to the point_________everyone else is sick of it!
A．which
B．that
C．where
D．When
