A.left
B.gone away  
C.stayed  
D.survived

A.hacker
B.automated 
C.application
D.navigate

A.exterminate
B.extend
C.expand
D.example

A.interfere
B.incredible
C.intervention  
D.ending

A.navigation
B.activate
C.faraway
D.malfunction

A.study deep learning
B.release ultrasound
C.diagnose breast cancer
D.produce medical devices

A.machines can make errors in treatment
B.the map drawn by artificial intelligence is not detailed
C.doctors cannot make quick decisions
D.clinicians will control diagnoses and treatment completely

A.work on deep learning for Google
B.can learn the visual difference between healthy and cancerous tissue
C.had treated many UCLH patients before
D.apply deep learning to cancer research

A.different parts are scanned before forming the whole picture
B.the map of cancerous cells is not clear and detailed
C.a technician may do the last task to form the whole picture
D.it takes four hours to create the map of cancerous cells

A.invent robot doctors for cancer treatment
B.investigate the treatment of cancers
C.recognize cancerous cells automatically
D.develop artificial intelligence for human doctors