题目

E Right and Wrong Suppose you work in a library, checking people's books as they leave, and a friend asks you to let him steal a hard-to-find reference book that he wants to own.   You might hesitate （犹豫）to agree for various reasons. You might be afraid that he'll be caught, and that both you and he will then get into trouble. You might want the book to stay in the library so that you can read it yourself.   But you may also think that what he proposes is wrong -- that he shouldn't do it and you shouldn't help him. If you think that , what does it mean, and what, if anything, makes i在直角三角形中，，，在斜边上任取一点，则 小于的概率