下列各组中的含氧酸与其对应的酸酐，错误的是
| A．CH3COOH的酸酐是（CH3CO）2O |
| B．HPO3的酸酐是P2O5 |
| C．HNO2的酸酐是NO2 |
| D．HClO4的酸酐是Cl2O5 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
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