下列气态氢化物最稳定的是[ ] A．SiH4 B．PH3 C．H2S D．HCl

搜题请搜索小程序“爱下问搜题”

问题选择题

下列气态氢化物最稳定的是[ ]

A．SiH₄

B．PH₃

C．H₂S

D．HCl

答案

答案：D

选择题

_________ and having two beautiful daughters never allow him to look down upon women.

A．Marrying with Michelle

B．Having married to Michelle

C．Being married to Michelle

D．Mr. Smith is married to Michelle

问答题论述题

简述中国人民解放军现代军兵种及军种的主要作战任务？