参考答案:A
答案解析:
脚手架作业安全工作,主要有:1)脚手架的使用材料应牢靠,尺寸和表面质量符合要求。脚手架连接件符合要求;2)脚手架搭设结构应符合规定。搭设尺寸(如立杆步距、纵距、横距、连墙件间距等)有变化时
D项,根据净经营收入理论,负债比例的高低不会影响融资总成本,即融资总成本不会随融资结构的变化而变化。
M: Hello, may I speak to Mr Park
W: I am sorry. Mr Park has gone to business. Mr Brown and Mr William are taking over his work during this time. You can speak to them.
听清男士的第一句话即可知他要找的是Mr Park。May I speak to...是打电话时的常用语。
我来回答:
最新试题