女性,28岁,做 * * 细胞学检查评价卵巢功能
根据以上涂片特点,可估计患者处于月经()
A.行经前期
B.行经后期
C.排卵前期
D.排卵期
E.排卵后期
参考答案:D
— Why not buy a second-hand car first if you don't have enough money for a new one?
— That's a good .
A.saying
B.question
C.suggestion
D.account
简述液压传动的优缺点。