Unit 3Task 1【答案】A. 1) Stress on the job costs American companies as much as $150 billion a year in lower productivity, unnecessary employee sick leave, and higher medical costs.2) The most stressful professions are those that involve danger and extreme pressure and those that carry a lot of responsibility without much control.3) The best way to deal with stress is through relaxation, but sometimes the only answer is to fight back or walk away.B.1) Three-quarters 2) psychologi
