How does the author relate to sounds at night? 查看材料
A. He imagines sounds that do not exist,
B. He overstates quiet sounds.
C. He thinks taps should be turned off.
D. He believes it"s rather quiet at night.
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A. committee
B. employee
C. guarantee
D. disagree
登高工具外表检查周期为每月一次,静负荷试验周期为一年或半年一次,试荷时间为()。
A. 1min
B. 5min
C. 10min
D. 15min
材料题请点击右侧查看材料问题 查看材料
A. notion
B. idea
C. invention
D. inspiration
紧线前,应检查导线有无障碍物挂住。紧线时,应检查接线管或接线头以及过滑轮、横担、树枝、房屋等有无()现象。
A. 咬住
B. 绊住
C. 拽住
D. 卡住