子宫内膜面
参考答案:
牛羊为4排子宫阜(怀孕时发育为母体胎盘),马属为纵行黏膜皱襞,猪的为环形皱襞。
A group of young men hope that getting this kind of job will finally be the _______ to success.[ ]
A. road
B. gate
C. street
D. direction
某药物达稳态血药浓度后,中途停药,还需多少时间再达稳态______。
A.需1个t1/2B.需3个t1/2C.需5个t1/2D.需7个t1/2E.不需要,可立即达到稳态