Questions 14 -16 are based on the following passage. You now have 15 seconds to read questions 14 -16.

According to the author, the effective way to spread the use of computers is to teach ______.

A．are capable of reliably recognizing the shape of an object
B．are close to exhibiting humanlike behavior
C．are not very different in their performance from those of the 50’s
D．still cannot communicate with people in a human language

A．most of the job opportunities can now be found in the service industry
B．manufacturing industries are steadily increasing
C．people find it harder and harder to earn a living by working in factories
D．the service industry is relying more and more on the female work force