People began to make robots about several（幾個）hundred years ago. In the past, some of the early ones looked like animals or humans. However, they could not talk and were pretty dumb. They worked like clocks and did the same things over and over again.

Now modern robots do not always look like people. Some are like big machines; others are nothing but long arms with boxy（箱子般地）bodies. However, modern robots are smart. Some can work out（解決） problems on their own. Their brains（大腦）are computers and their eyes are sensors（傳感器）. Motors（發(fā)動機(jī)）help them move.

In the future, robots will learn from their mistakes more than they do now. They will be smarter. It is possible that we will have robot judges（評判員，法官）, robot house workers, and robot factory workers. Robots will help people to do more things.

根據(jù)短文內(nèi)容，選出最佳選項。

1.The history of robots is about _______.

A.one hundred years B.seven hundred years

C.several hundred years D.seventy hundred years

2.The underline word “ dumb” in paragraph one means _______.

A.聰明的 B.啞的，笨的 C.瘸的 D.聾的

3.In the past, robots could _______.

A.eat B.drink C.talk D.work like clocks

4.Which of the following is NOT true about modern robots?

A.Motor can help robots move. B.Some robots’ brains are sensors.

C.Some robots are like big machines. D.Some robots can work out problems on their own.

5.According to the passage, robots can’t ________ in the future.

A.have brains as people B.work in factory

C.help people do more things D.judge（評判，評價）

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