11-09-08 Teacher: If I cut a beefsteak in half and then cut the half in half, what do I get? Tommy: Quarters. Teacher: And then if I cut it twice again? Tommy: Hamburger. 老师：如果我把一块牛排切成两半的两半，我能得到几块儿？ 汤米：四块。 老师：那我要是再切...