A.will adjust themselves for your  68  and comfort

B.will  69  the way we live in astonishing ways

C.mimicked human  70  and thinking

D.gains a truer glimpse of our robotic  71  

Tiny technologies are a key to the future of robots.The old science-fiction notion of a robot pictured a large machine that  72  .But a visitor to the Artificial Intelligence Laboratory at Cambridge  73  .In this microworld, scientists and engineers are building new machines in other fields such as medicineand aerospace.Soon, you'll be driving smart car and living in smart home that  74  It is already clear that our tiny new tools  75  .By "thinking small,” scientists and dreamers are enlarging and enriching the future for all of us.