题目内容
The robot did all the housework. _________, Mr. White no longer needed to get up early.
- A.At first
- B.At last
- C.As a result
- D.As usual
根据句子内容，故选A
综合自测系列答案In real life, robots are mainly used in factories. They do many different jobs. Usually these jobs are too 43 , difficult or boring for humans.
Robots also help disabled people and people who cannot look after 44 . For example, scientists are making a robot to help blind people. Now many of them have a dog to help them. The dog is called a guide dog. In the future, guide dogs might be robot dogs.
One robot dog is called Meldog. It has wheels. It usually “walks” in front of its owner. It is very clever. It knows the speed of its owner’s walk. Meldog talks to its owner by 45 . The owner wears a special belt. This belt 46 instructions to the owner from Meldog such as “Stop here”, “Turn left” and “Turn right”.
In the United States, another 47 of robot helps disabled workers. This robot, called Kilroy, helps disabled computer operators. The robot 48 the sound of its owner’s voice. It follows instructions such as “Turn the page” and “Make a cup of coffee”.
Robots are also used in American 49 . They can do simple jobs. For example, they shave (刮脸) patients and brush their teeth and take meals from the kitchen to patients’ rooms. It never gets lost 50 this robot has a map of the hospital in its computer memory.
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l
fly freely in the sky because every vehicle will have wings with it. They
will__ __ you to any place you want to visit. You can go to__ __during
your travel when you feel tired. All vehicles will be__ __because
they're driven by robots.