下表所列各组物质中，物质之间不能实现如下图箭头所示方向转化的是
| |
甲 |
乙 |
丙 |
| A |
NO |
NO2 |
HNO3 |
| B |
AlCl3 |
Al(OH)3 |
NaAlO2 |
| C |
S |
H2S |
SO2 |
| D |
Si |
SiO2 |
H2SiO3 |
相关试题
The children all turned ____ the famous actress as she entered the classroom. 
| A．looked at | B．to look at |
C．to looking at | D．look at |
Edward, you play so well. But I ______ you played the piano. 
| A．didn’t know | B．hadn’t known |
C．don’t know | D．haven’t known |
She brought with her three friends, none of ______ I had ever met before. 
| A．them | B．who | C．whom | D．these |
I tried phoning her office, but I couldn’t _______. 
| A．get along | B．get on | C．get to | D．get through |
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