某有机物的结构简式如下图所示，则关于它的说法中不正确的是（ ）
| A．1 mol该有机物消耗NaHCO3、NaOH、Na的物质的量之比为 1∶5∶3 |
| B．1 mol该有机物与足量的银氨溶液反应可得到2mol Ag |
| C．1 mol该有机物可与6 mol H2发生加成反应 |
| D．该有机物可发生消去反应、氧化、水解、中和反应 |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
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 |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |