孕激素的生理作用有
A.使 * * 上皮的增生,角化
B.抑制宫颈内膜的分泌
C.促使输卵管蠕动
D.使排卵后的基础体温升高
E.抑制子宫肌肉的自发性收缩
参考答案:B,D,E
A two-year-old girl named Niu Niu, _______ falling from the IOth floor of a building, was caught by a "super-mother" Wu Juping with her bare arms.
A.having been noticed
B.noticing
C.being noticed
D.having noticed
比较经线和纬线的特点: