Unit 1 Key to ExercisesOpener1. Mr. Qian Xuesen was a distinguished and world-renowned rocket scientist. Steve Jobs was a famous American entrepreneur, the co-founder, chairman, and CEO of Apple Inc.2. Both of them were dream pursuers and hard workers who finally succeeded in fulfilling their dreams in their own specialized domains. Qian Xuesen became universally acknowledged as the father of Chinas space programs, and Steve Jobs came to fame as a creative entrepreneur who revolutionize
