（）检测设备首次使用前应进行校准或检测，经技术负责人确认，可

搜题请搜索小程序“爱下问搜题”

问题单项选择题

（）检测设备首次使用前应进行校准或检测，经技术负责人确认，可使用至报废

A.A类

B.B类

C.C类

D.A类和B类

答案

参考答案：C

选择题

The old man said the accident________careless driving, so a lot of money________be paid by the

driver. [ ]

A. was due to; was due to

B. due to; was due to

C. is due to; has due to

D. is due to; was due to

判断题

汇票的拒付不仅是指付款人明白地表示拒绝承兑或拒绝付款，也包括付款人逃避、死亡或宣告破产等情形。