瓦斯检查员必须执行()检查制度和()制度。当瓦斯浓度超过《规程》有关条文的规定时,瓦斯检查工有权(),并撤到安全地点。
参考答案:瓦斯巡回,请示报告,责令现场人员停止作业
区域经济学研究的区域主要包括()
A、一国范围内特定的区域
B、单纯从事某项活动的小区
C、全国国土
D、跨国界的特定区域
Questions 1 to 5 are based on an interview with a chief-editor. At the end of the interview you will be given 10 seconds to answer each of the following questions. Now listen to the interview.
When asked what a manager’s role is, Mr. Pitt sounds ______.
A.confident
B.hesitant
C.resolute
D.doubtful