there. Robots are monitoring____3___in hospitals, providing banking services,____4___people from burning buildings and assisting astronauts in____5___. Robots are everywhere.

　　Are robots____6___or deadly enemies? Robotic expert Hans Moravec says intelligent robots today are no smarter than the average insect. But, don't feel too____7___about that. For example, army ants in South America___8___everything in their path when they go to war—forests, crops, buildings, people...

　　In case you____9___don't care about our little mechanical friends,___10___this: Robot technology is currently___11__ at a rate 10 million times faster than the evolution of___12__.

　　Considering the advances in robot technology during the upcoming years, Moravec says that robots must pass through four___13__ of development before they rule the planet.

　　First robot technology must achieve the ability to___14__ as general­purpose tools with software running at one million instructions per second (MIPS). Those robots will have the___15__ of reptiles (爬行动物). Next, this happening into 2020, robots will have acquired brains capable of___16__ 300 million MIPS, which will give them the intelligence of smart mice. A hundred billion MIPS will be____17___sometime after 2030. By then robots will be provided by their___18__ (humankind) with monkey­like brains.___19__， at the dawn of 2040, robots will___20___human intelligence and they will quickly surpass humans and challenge people for supremacy (至高无上) of the planet.

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