○2(1999)When the work is well done, a____ of accident-free operations is established where time lost due to injuries is kept at a minimum. 如果这项工作做得好,就会建立一个无事故的工作氛围。在这种环境里,因工伤损失的时间会被保持在最低限度。(B) [A] regulation [B] climate [C] circumstance [D] requirement ○3(1988)Living____ began to improve in the spring of 1621. 生活条件在1621 年的春天开始改善。(C) [A] situations [B] environments [C] conditions [D] circumstances (责任编辑:学习乐园) |