皮皮学，免费搜题
登录
搜题
【单选题】
关于产时子宫颈口扩大,下列哪项是错误的A.
是子宫收缩将子宫下牵拉的结果
B.
前羊水囊的作用
C.
破膜后胎头直接压迫子宫颈
D.
无头盆不称时,宫颈口扩张的快慢,对产程的长短起决定性作用
E.
初产妇宫颈管消失和开大同时进行
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】传统吸收光谱技术在以下( )领域的应用存在明显困难。
A.
化学、物理及环境检测
B.
分子物理学、化学反应动力学
C.
大气光学及环境检测
D.
痕量气体探测及弱吸收测量
【单选题】When the village was submerged by floods, the little girl took _________ in a tree until she was saved by PLA soldiers.
A.
charge
B.
care
C.
refuge
D.
time
【简答题】根据锂离子电池所用电解质材料不同,锂离子电池可以分为 锂离子电池和 锂离子电池。
【简答题】根据锂离子电池所用电解质材料不同,锂离子电池可以分为 锂离子电池和 锂离子电池两大类。
【单选题】The village was wiped out when the dam burst.
A.
wiped with
B.
had a wash
C.
swept away
D.
wasted
【单选题】Only when the war was over_____ to go back to the village where he had lived for so many years.
A.
was able he
B.
he was able
C.
able he was
D.
was he able
【单选题】The village was _____ when the floods came.
A.
exhausted
B.
consumed
C.
reduced
D.
overwhelmed
【简答题】下列化合物能发生 Hoffmann 重排反应的是( )A. B. C. D.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
