答案　B

解析　细节理解题。根据第二段第二句中的"These machines can now do such things as cooking eggs and cleaning the floor..."可知，这家公司已经发明了一种机器，这种机器可以帮助老人在家做某些事情。故选B。

22．The director of UAS believes that in the next five to ten years new forms of machines will ________.

A．do anything with imagination

B．cost much less than 1,000

C．be used in every home

D．be used in industry

答案　D

解析　细节理解题。根据第二段第三句"The director of UAS，Mr.Henry Jeffries，believes that in the next five to ten years companies will have developed even more sophisticated(复杂的) robots for use in industry."可知，这个公司的主管认为在接下来的五到十年间，新型的机器将会被用于工业。故选D。

23．Dr.Sandra Lomax thinks that ________.

A．no robot will ever be able to prepare an omelet

B．a robot will soon be able to do all the unusual housework people can't do

C．we can program a robot to learn from experience

D．making an omelet is easier for a robot than recognizing a bad egg

答案　D

解析　细节理解题。根据最后一段最后一句"Teaching a robot how to recognize a bad egg is far more difficult than teaching it to prepare the omelet，"可知，她认为，对于一个机器人来说煎鸡蛋比辨认一个坏的鸡蛋要更容易。故选D。

24．Which of the following is the best title for this passage?

A．Servants of the Future

B．How to Make Robots

C．Difficult to Develop Intelligent Robots

D．The Household Tasks in Future

答案　C

解析　标题归纳题。阅读短文可知，这篇短文主要介绍了机器人的发展。尽管机器人会越