五、 完形填空

There are robots all around us,making our lives easier. Some of them,like the 1 calculator (計(jì)算器) ,can work much more quickly than human beings 2 . And they never make mistakes. In some ways robots are better than people. They work quickly,3 do not make mistakes. They do not get 4 doing the same job over and over again. And they never get tired.

So robots are very useful in factories. They can be taught to do many different jobs. First their electronic brains must be shown 5 the job is done. A person moves the robot's arms and hands through each part of the job. The robot's brain 6 each move. When the robot is put to work on its own,its brain controls the rods (桿) ,wheels and motors which 7 its arms.

When the robot is 8 for a new job,its electronic memory is “wiped clean”. Then it is taught how to do its new task.

If the robot,s hands stop working,or if something gets in the way,it cannot do the next part of the job. So it stops and signals (發(fā)出信號(hào)) for 9 . Then a human engineer attends to (處理) the fault.

Robots are also used for doing jobs that are 10 . They can move objects (物體) which are too hot or too heavy for people to deal with.

() 1. A. bag   B. pocket   C. big   D. machine

() 2. A. do   B. did   C. may   D. can

() 3. A. but   B. still   C. further I) , then

() 4. A. exciting   B. boring   C. bored   D. surprised

() 5. A. how   B. why   C. what   D. that

() 6. A. reminds   B. keeps   C. watches   D. remembers

() 7. A. move   B. support   C. lift   D. lower

() 8. A. taken   B. supported   C. needed   D. done

() 9. A. danger   B. anger   C. hunger I) , help

() 10. A. good   B. dangerous   C. clean   D. safe

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