【改编】有机物分子中原子间（或原子与原子团间）的相互影响会导致物质化学性质不同，下列各项事实不能说明上述观点的是
| A．甲苯能使高锰酸钾溶液褪色，而乙烷则不能； |
| B．乙烯能发生加成反应，而乙烷不能； |
| C．苯在50℃~ 60℃时发生硝化反应而甲苯在30℃时即可 |
| D．苯酚能和氢氧化物溶液反应，而乙醇不能。 |
—— 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 |
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |