Two strangers were sitting together in a plane . They were on a long journey . One of the men was a teacher . The other was a farmer . They sat without talking for a while , then the farmer said , “ Let’s do something to pass the time .” “ What do you want to do ?” the teacher asked . “ We can ask each other riddles (谜语 ),” the farmer said, “ You start.” “ Let’s make the rules first ,” the teacher said . “ And to make the game more interesting , let’s play it for money . If we don’t know the answer to the riddle , we have to pay a dollar .” The farmer thought about this for a while , then he said , “ That’s not fair（公平 . You are a teacher , an educated ( 受过教育的) man . You know more things than I do . I am just a farmer .” “ That’s true ,” the teacher said , “ What do you think we should do ?” The farmer said , “ If you don’t know the answer to a riddle ,you pay me 100 dollars .If I don’t know the answer to the riddle , I’ll pay you 50 dollars.” The teacher thought for a while , then he said , “ OK. That’s fair . Who’ll go first ?” “I will ,” the farmer said . “ Here’s my riddle . What has three legs when it walks , but only two legs when it flies ?” The teacher thought and thought , “ What has three legs when it walks, but only two when it flies ?” Then he said , “ That’s a good one . I don’t know the answer .” He gave the farmer 100 dollars and said , “ Tell me the answer . What is it ?” “ I don’t know , either .” The farmer said , and gave him 50 dollars . 小题1:At first the two men sat there without talking because ________ . A．the farmer didn’t like the teacher B．the teacher didn’t like the farmer C．the farmer liked to tell jokes D．they didn’t know each other 小题2:The farmer wanted to __________ . A．make the journey interesting . B．see if the teacher was lucky C．know if the teacher was clever . D．make friends with the teacher . 小题3:The teacher thought at first that the farmer __________ . A．would fail the game B．knew more then he. C．could answer any riddles . D．would win the game . 小题4:From the short story we know that __________ . A．the teacher was cleverer than the farmer . B．an educated man is not always clever. C．both of the two men could know the answer D．Neither of the two men was clever. 小题5:The best title of this story is __________ . A．How to Answer Riddles . B．A Rich Teacher. C．A Way of Getting Money. D．A Clever Farmer.