属于雌激素生理作用的是:A.使宫颈口闭合B.抑制输卵管肌节律性收缩的振幅C.有助于卵 发布时间:2018-01-19 22:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 属于雌激素生理作用的是:A.使宫颈口闭合B.抑制输卵管肌节律性收缩的振幅C.有助于卵巢积储胆固醇D.通过中枢神经系统有升温作用E.促进水和钠的排泄
题型:单项选择题 阅读下列短文,将人名及其身份填在图画的相应方框内。 This is my family. My grandfather's name is Harry Brown. My grandmother's name is Jean Brown. My father's name is Jeff Brown. My mother's name is Helen Brown. Jeff and Helen are my parents. I have a sister. Her name is Kate Brown. My name is Tom Brown. I am ten. My sister is eight. Tom's Family Tree 查看答案
题型:单项选择题 如图所示是上课经常使用的投影仪, 请按要求回答.(1)平面镜的作用是___________. (2)灯泡的作用是______________.(3)若在屏幕上的像比较模糊(与投影片无关),调整方法是______________. 查看答案