下列事实与氢键无关的是[ ] A．液态氟化氢中有三聚氟化氢(HF)3的存在 B．
题型：不定项选择题
问题：
下列事实与氢键无关的是[ ]
A．液态氟化氢中有三聚氟化氢(HF)3的存在
B．冰的密度比液态水的小
C．乙醇比甲醚（CH3-O-CH3）更易溶于水
D．NH3比PH3稳定
题型：不定项选择题
根据句意和首字母的提示补全单词.
1. My f _____ subject is Biology.
2.
On Tuesday afternoon, I often go to play the drums in the school b _____ .
3. We have eleven subjects this t _____ .
4. Please w _____ and tell me about your subjects.
5. I like listening to songs, and I also like s _____ songs.