下列物质中，属于氧化物的是[ ] A. SO2 B. KMnO4 C. C6H1

A lady once wrote a long story. She sent it to a famous editor. After a few weeks the editor   21  the story to her. The lady was   22 . She wrote back to the editor:
“Dear Sir.
Yesterday you sent back a story of mine. How do you know that the story is not good? You did not read it.   23  I sent you the story, I pasted together pages 18, 19 and 20. This was a  24  to see whether you would read the story. When the story came back yesterday, the pages were   25  pasted together. Is this the way you read all the stories that are sent to you?”
The editor wrote back:
“Dear Madam,
At breakfast then I have an egg. I don’t have to eat the whole egg in order to discover(发现) that it is bad.”

小题1:	A．gave B．came back C．handed D．returned

小题2:	A．angry B．happy C．satisfied D．glad

小题3:	A．After B．until C．Before D．Since

小题4:	A．lesson B．test C．question D．thing

小题5:	A．already B．still C．even D．yet