A.0
B.-5
C.-6
D.-11
[单选题]A.B.C.D.
[单选题]A.卵巢畸胎瘤B.节育器子宫肌层嵌顿C.盆腔肠管回声D.节育器异位
[单选题]A.200molB.20molC.25molD.100mol
[单选题]A.9143吨B.9052吨C.8875吨D.8599吨