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People began to make robots about a few 【1】(hundred)years ago.In the past，some of the early ones 【2】(look)like animals or humans.However，they couldn't 【3】(talk)and were pretty dumb(愚蠢的)．They worked like clocks and did the same things over 【4】 over again.Now modern robots don't always look 【5】 people.Some are like big machines，and others are nothing but long arms attached to boxy(箱子般四四方方的)bodies.【6】，modern robots are smart.Some can solve(解决)problems on their own.Their brains are computers and their eyes are sensors(传感器)．Motors(发动机)help 【7】(they)move.In the future，robots will learn from their mistakes more than they do now.They will be 【8】(smart)．It's 【9】(impossible)that we will have robot shop assistants，robot household workers，and robot factory workers.Robots will help people do 【10】(many)things than they were.