第1个回答 2011-01-01
since the 1970s many new applications have been found for me . i have become very important in communication ，finance and trade . i have also been put into robots and used to make mobile phone as well as help with medical operations .i have even been put into space rockets and sent to explore the Moon and Mars. Anyhow ,my goal is ti provide humans with a life of high quality .i am now truly filled with happiness that i am a devoted friend and helper of the human race!本回答被网友采纳