题目

一个多边形的内角和与外角和的比是4:1，则它的边数是          ． 答案：10     阅读理解 　　Last week the manager of an old jeweler’s shop received a letter marked “personal”, so of course his secretary gave it to him unopened．As he was very busy, the letter lay on his desk till tea-time．Then he opened it and a ￡10 note fell out onto his desk．With the note was a short letter．This is what it said： 　　Dear sir, 　　In 1935 I got engaged．But unfortunately at that time there was a lot of unemployment and I lost my job．I was six months without a job and then I got work again．But of course was very short of money．I came to your shop to buy a wedding ring．The assistant brought some rings for me to look at, but she was called away for a moment, and I put one of the rings in my pocket．When she came back, I said I did not know the size of my girl-friend’s finger．So I left the shop without buying a ring． 　　My wife died a short while ago and the fact that I never paid for her ring has been on my conscience(良心)all these years．At the time the ring cost ￡2 so I reckon(估计)that is about ￡10 at today’s price．And I am sending you that amount． Yours truly, A customer 　　“Well, well, well,” said the manager, “life is full of surprises!” (1) The best headline for this article would be ________． [　　] A． A Customer Pays His Bill B． An Old Jeweler’s Shop C． The Manager and the Letter D． A Letter with ￡10 (2) Why didn’t the secretary open the letter? Because ________． [　　] A． he was very busy B． it was a personal letter C． there was a ￡10 note in it D． the letter was unimportant (3) What happened to the writer of the letter in 1935? [　　] A． He was engaged to a girl． B． He was out of work for six months． C． He lost a ring． D． Both A and B． (4) What was true about the assistant? [　　] A． She lost her job． B． She was short of money． C． She was called away while serving the customer． D． She put one of the rings in her pocket．