欠平衡施工人员在设备的搬迁过程中，在指挥吊车起吊重物时，正确_爱下问搜题

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问题问答题简答题

欠平衡施工人员在设备的搬迁过程中，在指挥吊车起吊重物时，正确的指挥起吊过程是怎样的？

答案

参考答案：

在开始指挥起吊负荷时，用微动信号指挥，待负荷离开地面100mm—200mm时停止起升，进行试吊，确认安全可靠后方可用正常起升信号指挥重物上升。

完形填空

"How was school, Ben?" I asked my   after he began kindergarten(幼儿园) this year. "The work is too          and there's not enough time to play." he replied with a deep          .
I couldn't help but remember Ben's mother. my daughter, Jane, and her         to the first day of school. When Julie         home that afternoon. I asked her the same question . She also replied with a long,          face but her answer was a little different as she announced . " I didn't learn to       today."
What a disappointment for a little girl who thought she would       know how to read her little books after the first day of school. I had to explain to her that she would        learn to read but didn't happen quite that fast.
My        went back to my school days again I could almost         the chalk dust in the air. I suppose few schools still use chalk and blackboards. They have probably been         with newer equipment and large computer screens
On the first day of school, the expectation was s0      that I would be up early in the morning and         long before it was time to leave for school We .       about 6 blocks to school         new shoes that felt tight and carried our small supplies inside a cigar box from one of the local stores. The stores must have saved cigar boxes just to give to us children .We        them from year to year until they fell apart.
The first day of school was a new beginning, although there might be       on the first day. The doors of knowledge had been opened and we     great learning adventures. It is an    in our lives that most of us remember. It's a big step for a small child toward leaving babyhood and so "there isn't enough time to play".

C．occasionally

C．disappointment

D．appreciated

问答题

桥上作业时，有哪些人身安全注意事项？