A.250~450g
B.350~550g
C.450~650g
D.550~750g
E.500~600g
[单选题]日常孕妇在妊娠13周以后平均每周体重增加A.150gB.550gC.450gD.350gE.250g
[单选题]出生时脑的重量为A.200~350gB.350~400gC.450~500gD.550~600gE.650~700g
[单选题]口外正畸力的一般力值是A.340~450gB.100~150gC.200~250gD.300gE.800~1100g
[单选题]口外正畸力的力值范围是A.250~300gB.450~500gC.340~450gD.800~1000gE.1200~1500g
[单选题]口外矫形力下颌可接受的力值是A.340~450gB.500~1000gC.600~700gD.800~1100gE.1200~1700g
[单选题]正常妊娠13周以后孕妇体重平均每周增加A.250克B.350克C.450克D.550克E.650克
[单选题]胎盘约重多少克()。A . 250~450gB . 350~550gC . 450~650gD . 550~750gE . 500~600g
[单选题]出生时脑重量约为A.300gB.370gC.400gD.450gE.500g