问题
填空题
一般地，二叉树可以有______种基本形态。
答案
参考答案：E
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一般地，二叉树可以有______种基本形态。
参考答案：E
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some do simple work. People put information 3 the robots to tell them what to do. Robots are like people in two 4 : They work and they have senses (感觉). They are very 5 in factories. They can do dangerous work that people 6 do. In our daily life, they are useful 7 . People hope that robots can help them 8 housework. It becomes true now. Usually we think robots must 9 like a real person, but in 10 , most of time, they're machines (机器). |