移动端

  • 题王微信公众号

    题王微信公众号

    微信搜“题王网”真题密题、最新资讯、考试攻略、轻松拿下考试

单选题

关于月经周期中雌激素的变化,下列正确的是()。

发布日期:2020-11-03

关于月经周期中雌激素的变化,下列正确的是()。
A

排卵前形成第一高峰

B

排卵后10日形成第二高峰

C

第一高峰较平坦,峰的均值低于第二高峰

D

黄体萎缩时,雌激素水平缓慢下降

E

月经血净后雌激素达最低水平

标签: "暂无标签"

题王网让考试变得更简单

扫码关注题王,更多免费功能准备上线!

此试题出现在

计划生育主治医师

计划生育章节练习

去刷题
热门试题热门资讯 相关试题

糖尿病患者应用中性鱼精蛋白锌胰岛素(NPH)治疗,晨2时给予40U皮下注射,因用量过大而出现低血糖反应,最可能出现的时间为()

空载运行试验,液压锚机正倒车空载全速运转()。

内部控制审计报告的意见不包括()

详细交代服药方法、注意事项的调剂过程是(  )。

设计任务:请阅读下面学生信息和语言素材,设计20分钟的英语听说教学方案。教案没有固定格式,但须包含下列要点:●teaching objectives●teaching contents●key and difficult points●major steps and time allocation●activities and justifications教学时间:20分钟学生概况:某城镇普通高中三年级学生,班级人数40人,多数学生已经达到《普通高中英语课程标准(实验)》六级水平。学生课堂参与积极性一般。语言素材:A great Chinese scientist Father of the Chinese space programme Yu Ping(YP)is talking to her friend Steve Smith(SS)about Qian Xuesen and his work as a rocket scientist.Part1YP:What do you want to be when you grow up,Steve?SS:I want to be an astronomer and visit stars.I wish to visit Mars one day.YP:I think I'd like to work in the space industry,too. I'd like to be a rocket scientist like Qian Xuesen.SS:What did he have to do to become a rocket scientist?YP:Well,he first studied at university to be an engineer.Later he went to America to study for his doctor's degree.It was then he began to work on rockets.SS:So it was lucky for our space programme  that he came back to China.YP:Very much so. There was no work on space rockets in China before his institute to design and build rockets to go into space.Part2SS:Do you think he wanted to travel into space in one of his rockets?YP:I have no idea but I believe he looked forward to the first space flight by a Chinese astronaut.SS: Yes. Now that China has sent satelites into space,I hope we' ll be the first to land on Mars.That would really be something special and if I were that astronaut I would put Qian Xuesen's picture on Mars to show how much we admire his work.YP: Indeed. He is rightfully called the father of the Chinese space programme. He is my hero and this is why I want to be a rocket scientist.SS: Well, we'd better get on with our homework. We need good grades to get into university.YP: Right you are. See you, then.SS: See you.

假币收缴后,柜员应向持有人说明其有申请()的权力。

某患者改良Barthel指数评分为60分,其意义为()

N+a-K+泵的运输方式属于()。

BTS312支持的同步全向小区的最大容量为()载频。

关于煤的氧化,说法正确的是()。

暂无相关推荐~