A．His desire to gain wide acceptance.

　　B．The success of founding Unimation.

　　C．The challenge from other companies.

　　D．His parents' demanding aid from others.

　　D　[细节理解题。根据第三段中的"After observing the help his aging parents needed...Engelberger founded Transitions Research Corporation (TRC)"可知，Engelberger年迈的父母需要别人帮助的事实激发了他建立TRC。]

　　3．What's Lieberman's attitude toward HelpMate?

　　A．Concerned.　　 B. Doubtful.

　　C．Positive. D．Opposed.

　　C　[观点态度题。根据第四段中的"an example of the way that the federal investment in science and technology for patients can lead to new products that employ Americans and make for a better quality of life"可知，Lieberman认为HelpMate有助于开发新产品，提高人们的生活质量，也就是说他对HelpMate持支持的态度。]

　　4．Which of the following can be the best title for the text?

　　A．The home of robots - Unimation

　　B．The father of robotics - Engelberger

　　C．The strong personality Engelberger had

　　D．The great contribution Engelberger made to medicine

　　B　[标题归纳题。纵观全文可知，本文主要介绍了机器人之父Joseph Frederick Engelberger的生平，故选B。]

　　B

　　How soon will it be before robots become so intelligent that they will be able to do things，such as teaching languages or looking after patients in hospital？Some experts believe this will happen within twenty years while others disagree.

One London company，UAS (University Automated Systems) has already developed some machines that can be used as "home helps" for old people