关于臀位剖宫产术,何项正确?()
A.宫口开全,脐带脱出
B.中骨盆轻度狭窄
C.估计胎儿体重为3000g
D.宫口未开全,胎足脱出
E.第一产程宫缩乏力
参考答案:B
黑素细胞占基底层细胞的比例约为
A.30%
B.40%
C.50%
D.90%
E.10%
The Great Western Development ___ a bridge between China and the rest world, promoting the common economic development and prosperity of China and the world at large.
A. is led to
B. is determined to be
C. is bound to be
D. is to build