試題詳解

71．In the last paragraph , the writer implies that there is a long way to go .
(A)．for a robotic vehicle to finish a 142-mile race without any difficulties
(B)．for a little child who has just learned to walk to reach the cookie on the table
(C)．for a robotic vehicle to deal with a simple problem that a little child can solve
(D)．for a little child to understand the importance of wiping apple juice off its face