定检梯架使用规范说法正确的是

在推行梯架前应首先检查梯架状态，确认1 米（含）以上可移动的维修梯架和升降工作平台应有锁定装置，并有护拦或可以拴系保险带的保护装置

2米（含）以上可移动的维修梯架和升降工作平台靠近航空器的一面还应配有防撞装置，确认梯架脚撑数量足够，无锁死现象，确认梯架未挂不可用牌

高度高于2M的梯架在靠近飞机时,需至少两人配合推行，且靠近飞机一侧需有人监控

梯架推行到位后应与飞机保持至少1英尺的安全距离

正确答案：C

技术评审的题库一

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_______ made the school proud was _______ more than 90% of the students had been admitted to key universities.

It is pretty well understood ______ controls the flow of carbon dioxide in and out the atmosphere today.

The teacher asked all the students in the class to keep their eyes ______.

They want to make it clear to the public ______ they do an important job.

Our hometown is quite different from ______before.

It depends on _______ he has enough money.

The man ______ Mary was so tall that she could hardly see the show.

______ Wang Feng looked after the old woman a whole year moved us all.

The monitor suggested that we ______ for a picnic on Sunday.

We must remember that _____fashion is not the most important thing in _______ life.