1.What gets larger，the more you take away？什么东西你拿走越多，反而越大？ 2.What goes on four legs in the morning，on two at noon，and on three in the evening？什么走路开始用四条腿，后来用两条腿，最后用三条腿？ 3.What do we get if we cross a woodpecker with a homing pigeon？把一只啄木鸟和一只识途的鸽子融合在一起，会得到什么？ 4.Where does afternoon come before morning in the world？世界上哪个地方下午比早上先到？5.Can you tell me some thing about the great scientists of the 18th century？你能告诉我一些18世纪伟大科学家的事吗？ Keys 答案 1.Ahole.洞 2.People.They crawled when they were babies and walked with two legs before they had to rely on a crutch in old age. 是人，他们刚生下来的时候用四肢爬行，后来用双腿走路，老年时又不得不依靠拐杖走。 3.A bird that knocks on the door when delivering messages.将得到一只送信时会敲门的鸟。 4.In the dictionary.在字典里。 5.They're all dead.他们都已过世