在电气设备起火时带电灭火我们常采用（）。
参考答案：干粉灭火器、CO2灭火器
信用证受益人审查信用证的重点是（）
A.信用证的可信度
B.开证行的资信
C.信用证内容与合同内容是否一致
D.开证行的政治背景
Our company has been made one of the largest manufacturers in the field of chemical industry.()
A. become, in
B. made. in field of
C. became, in the field
D. been made of, in
