When we watch movies about the future， we sometimes see robots． （1）Some robots are very human﹣like． （2）它们能像人一样走路和跳舞． Some scientists think that in the future they will make robots more like humans． However， some scientists think although we can make robots move like people， it will be difficult to make them really think like a human． For example， scientist James White thinks that （3）robots will never be able to wake up and know where they are． （4）但是许多科学家不赞同怀特先生． They think that robots will even be able to talk like humans in 25 to 50 years． （5）We never know what will happen in the future．

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