Computers act as a barrier that can cause us to become desensitized to others’ feelings.()

Most personal computers are equipped with a （) as the primary input device.A.CPUB.mouseC.d

may act as a cause of these illnesses.A、StressB、RelaxationC、Happiness

The various pumps and lines are _____ to some extent so that each pump can act as an alter

I broke______the poverty barrier and it was education that did it.A．offB．awayC．throughD．up

Which of the following can serve as the best title of the passage？A．Barriers Made by Peopl

In the future computers will be as small as match