题目

下图为某酒精厂清洁生产工艺流程示意图。实施清洁生产后，该厂                          A．实现了无废弃物排放             B．生产重点转向对废弃物的综合利用 C．隔断了与其他工厂的工业联系 D．从生产过程的每个环节减少对环境的污染   答案：D?Why are you crying? ?I've ________ my ticket, I don't have enough money to buy another one. A. bought B. lost C. booked D. used