从供选择的答案中选出入下列英文语句中______内的正确答案。 The use of the computer is changing the very (1) of many jobs that exist within a business. In the industrial (2) , tools were developed to assist in improving production, but much work still involved (3) labor. The information (2) has brought about another change-achangefrom (3) laborto (4) labor. Pressure on computer worker can be great. Whether operating a robot, running a computer, or programming a computer,a single error can be (5) . The smallest error could misdirect an airline, disrupt delivery schedules, or cost millions of dollars. 供选择的答案： (1) important  (2) great    (3) disastrous    (4) physical    (5) body (6) brain    (7) mental    (8) revolvng    (9) revolution   (10) nature