给煤机运行中发生堵卡时，应将给煤机停止，并做好防止误启动措施后方可处理。
参考答案：对
____, he sometimes makes mistakes.
A．Though he is careful teacher
B．As he is careful
C．A careful teacher as he is
D．Being a careful teacher
应急组织中，（）是城市社会生产和经营的主体，拥有大量的物资、资金、人才和技术。
A.政府部门
B.非政府组织
C.营利组织
D.社会公众
